SKF - Rolling Bearings

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1 Deep groove ball bearings Designs and variants .............. 296 Single row deep groove ball bearings .. 296 Stainless steel deep groove ball bearings ........... 296 Single row deep groove ball bearings with filling slots ......... 297 Double row deep groove ball bearings. . 298 Cages ............................ 298 Sealing solutions .................. 300 Shields ......................... 301 Non-contact seals ............... 301 Low-friction seals ................ 302 Contact seals. . . . . . . . . . . . . . . . . . . . 303 ICOS oil sealed bearing units ....... 304 Greases for capped bearings ....... 304 Grease life for capped bearings ..... 306 Bearings with a snap ring groove ..... 308 Quiet running bearings .............. 309 Matched bearings .................. 309 Performance classes .............. 310 SKF Explorer bearings .............. 310 SKF Energy Efficient (E2) bearings .... 310 Bearing data ..................... 313 (Dimension standards, tolerances, internal clearance, misalignment, friction, starting torque, power loss, defect frequencies) Loads ........................... 317 (Minimum load, axial load carrying capacity, equivalent loads) Product tables 1.1 Single row deep groove ball bearings ................. 322 1.2 Capped single row deep groove ball bearings ........... 346 1.3 ICOS oil sealed bearing units .... 374 1.4 Single row deep groove ball bearings with a snap ring groove . 376 1.5 Single row deep groove ball bearings with a snap ring and shields ..... 382 1.6 Stainless steel deep groove ball bearings ................. 386 1.7 Capped stainless steel deep groove ball bearings ....... 394 1.8 Single row deep groove ball bearings with filling slots .... 410 1.9 Single row deep groove ball bearings with filling slots and a snap ring .. 414 1.10 Double row deep groove ball bearings ................. 416 Other deep groove ball bearings Sensor bearing units ............... 1151 Bearings for extreme temperatures . .. 1169 Bearings with Solid Oil . ............. 1185 SKF DryLube bearings ............. 1191 INSOCOAT bearings . ............... 1205 Hybrid bearings ................... 1219 NoWear coated bearings ............ 1241 Polymer ball bearings .............. 1247 Temperature limits ................ 318 Permissible speed ................. 318 Designation system ............... 320 295
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Rolling bearings
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Rolling bearings
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E Bearing specifics ...............
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7.5 Matched bearings arranged back-
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7
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Foreword This catalogue contains th
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without flange rings er bearings be
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Units of measurement This catalogue
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Meeting the toughest challenges Our
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Bearings SKF is the world leader in
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Bearing basics ....................
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Bearing basics Selecting rolling be
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Bearing basics Bearing systems (†
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Bearing basics Bearing types and de
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Bearing basics Angular contact ball
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Bearing basics Cylindrical roller b
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Bearing basics Needle roller bearin
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Bearing basics Angular contact thru
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Bearing basics Support rollers (con
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Bearing basics Fig. 7 a b c c d Mac
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Bearing basics Boundary dimensions
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Bearing basics Basic bearing design
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Bearing basics Diagram 3 Designatio
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Bearing basics Basic selection crit
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Bearing basics Loads Fig. 19 Magnit
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Bearing basics Combined loads A com
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Bearing basics Misalignment Angular
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Bearing basics Friction Rolling bea
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Bearing basics Mounting and dismoun
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Bearing basics Sealing solutions To
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Selecting bearing size B A systems
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Bearing life and load ratings Beari
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Selecting bearing size using the li
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2 Selecting bearing size using the
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Dynamic bearing loads Equivalent dy
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Selecting bearing size using static
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Selecting bearing size using static
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Calculation examples • A more cos
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SKF calculation tools SKF Bearing B
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SKF life testing SKF life testing S
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Friction The friction in a rolling
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Friction The SKF model for calculat
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Friction Kinematic replenishment/st
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Friction Table 2a Geometric and loa
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Friction Table 3a Geometric constan
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Friction Table 3e Geometric constan
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Friction Drag losses Bearings lubri
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Friction Drag losses for vertical s
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Friction Starting torque The starti
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Speeds Basics of bearing speed ....
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Reference speed Diagram 1 Heat flow
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Reference speed Diagram 2 Adjustmen
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Reference speed Diagram 4 Adjustmen
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Reference speed Example 1 An SKF Ex
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Special cases Special cases In cert
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Vibration generation at high speeds
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Bearing specifics Dimensions For in
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Bearing specifics Table 1 Tolerance
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Bearing specifics Table 2 Diameter
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Bearing specifics Table 4 P6 class
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Bearing specifics Table 6 Normal an
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Bearing specifics Table 8 P5 class
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Bearing specifics Table 10 Toleranc
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Bearing specifics Table 12 Normal t
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Bearing specifics Table 15 Chamfer
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Bearing specifics The initial inter
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Bearing specifics Ceramics The comm
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Bearing specifics Therefore, whethe
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Bearing specifics Hydrogenated acry
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Design considerations Bearing syste
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Bearing systems locating bearing po
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Bearing systems Adjusted bearing sy
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Radial location of bearings Radial
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Radial location of bearings 3. Bear
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Radial location of bearings Bearing
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Radial location of bearings Shaft a
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Radial location of bearings Table 2
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Radial location of bearings Relatio
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Radial location of bearings The per
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Axial location of bearings Locating
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Axial location of bearings Bearings
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Axial location of bearings CARB tor
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Designing associated components Fig
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Selecting internal clearance or pre
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Sealing solutions Fig. 43 Fig. 44 S
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Sealing solutions Integral bearing
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Sealing solutions External seals Fo
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Sealing solutions Fig. 57 Fig. 58 F
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Sealing solutions V-ring seals V-ri
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Sealing solutions F 237
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Lubrication Basics of lubrication R
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Lubrication Grease lubrication The
Page 246 and 247: Lubrication Lubricating greases Lub
Page 248 and 249: Lubrication Temperature zones Tempe
Page 250 and 251: Lubrication Protection against corr
Page 252 and 253: Lubrication SKF greases - technical
Page 254 and 255: Lubrication Relubrication Rolling b
Page 256 and 257: Lubrication Very slow speeds Select
Page 258 and 259: Lubrication Diagram 4 Relubrication
Page 260 and 261: Lubrication Relubrication procedure
Page 262 and 263: Lubrication To effectively replace
Page 264 and 265: Lubrication Oil lubrication Fig. 6
Page 266 and 267: Lubrication Oil jet For very high-s
Page 268 and 269: Lubrication Selecting lubricating o
Page 270 and 271: 20 000 Lubrication Diagram 5 Estima
Page 273 and 274: Mounting, dismounting and bearing c
Page 275 and 276: General Fig. 1 a b 1 2 a b 1 2 3 4
Page 277 and 278: Mounting Mounting Depending on the
Page 279 and 280: Mounting Bearing adjustment The int
Page 281 and 282: Mounting Fig. 14 the bearing († f
Page 283 and 284: Mounting Fig. 18 a c b b a c a Fig.
Page 285 and 286: TMEM 1500 Mounting Fig. 22 0.450 ON
Page 287 and 288: Dismounting Fig. 23 Dismounting If
Page 289 and 290: Dismounting Dismounting bearings fi
Page 291 and 292: Dismounting Fig. 32 Fig. 33 H 289
Page 293 and 294: Inspection and cleaning Bearing sto
Page 295: Deep groove ball bearings 1 Y-beari
Page 299 and 300: Designs and variants 1 both the inn
Page 301 and 302: Designs and variants 1 Table 1 Cage
Page 303 and 304: Designs and variants 1 Shields Bear
Page 305 and 306: Designs and variants 1 Contact seal
Page 307 and 308: Designs and variants 1 The technica
Page 309 and 310: Designs and variants 1 If the opera
Page 311 and 312: 1 Designs and variants Quiet runnin
Page 313 and 314: Performance classes 1 311
Page 315 and 316: Bearing data 1 Stainless steel deep
Page 317 and 318: Bearing data 1 Table 7 Radial inter
Page 319 and 320: Loads 1 Single row deep groove ball
Page 321 and 322: Permissible speed 1 319
Page 323 and 324: Designation system 1 Group 4 4.1 4.
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Page 327 and 328: 1.1 r a r a D a d a 325 Dimensions
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1.1 r a r a D a d a 345 Dimensions
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1.2 r a r a D a d a Dimensions Abut
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1.3 r a r a d a Dimensions Abutment
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1.4 b a max. 0,5 r a D b D a d a C
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1.9 b a max. 0,5 r a d a D a D b C
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2 Y-bearings Designs and variants Y
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2 Y-bearings Y-bearings with grub s
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2 Y-bearings SKF ConCentra Y-bearin
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2 Y-bearings Y-bearings with a stan
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2 Y-bearings 5-lip seals For extrem
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2 Y-bearings Grease life for Y-bear
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2 Y-bearings Relubrication Y-bearin
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2 Y-bearings Rubber seating rings R
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2 Y-bearings Performance classes SK
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2 Y-bearings Bearing data Y-bearing
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2 Y-bearings Table 5 Tolerances for
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2 Y-bearings Loads Symbols Minimum
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2 Y-bearings Temperature limits The
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2 Y-bearings Design for larger axia
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2 Y-bearings Shaft tolerances Recom
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2 Y-bearings Table 13 Grub screws i
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2 Y-bearings Table 15 Grub screws i
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2 Y-bearings Designation system Gro
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2.1 Y-bearings with grub screws, me
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2.2 Y-bearings with grub screws, in
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2.2 Y-bearings with grub screws, in
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2.3 Y-bearings with an eccentric lo
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2.4 Y-bearings with an eccentric lo
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2.5 SKF ConCentra Y-bearings, metri
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2.7 Y-bearings with a tapered bore
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2.9 Y-bearings with a standard inne
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3 Angular contact ball bearings Des
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Designs and variants The standard a
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Designs and variants Basic design b
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Designs and variants Cages Dependin
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Designs and variants Greases for ca
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Performance classes Performance cla
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Bearing data Double row angular con
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Bearing data Table 6 Preload of uni
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Bearing data 3 491
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Loads Four-point contact ball beari
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Loads Calculating the axial load fo
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Permissible speed Temperature limit
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Design of bearing arrangements Four
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Design of bearing arrangements Matr
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Design of bearing arrangements 3 50
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Designation system Group 4 4.1 4.2
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3.1 D a r a r a d a r a D b Dimensi
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D a r a r a d a 3.2 Dimensions Abut
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D a r a r a d a 3.2 Dimensions Abut
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3.3 D a r a r a d a Dimensions Abut
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3.3 D a r a r a d a Dimensions Abut
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a 3.4 r a D a d a d a D a Dimension
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4 Self-aligning ball bearings Desig
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4 Self-aligning ball bearings Beari
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4 Self-aligning ball bearings Beari
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4 Self-aligning ball bearings Loads
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4 Self-aligning ball bearings Mount
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4.1 Self-aligning ball bearings d 5
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4.2 Sealed self-aligning ball beari
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4.3 Self-aligning ball bearings wit
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4.4 Self-aligning ball bearings on
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5 Cylindrical roller bearings Desig
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Designs and variants Fig. 1 In addi
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Designs and variants Angle rings (t
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Designs and variants Bearings with
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Designs and variants High-capacity
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Designs and variants Separable bear
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Designs and variants Double row ful
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Designs and variants Relubrication
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Performance classes Performance cla
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Bearing data Bearing data, continue
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Bearing data Double row full comple
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Bearing data Double row full comple
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Bearing data Table 4 Axial internal
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Bearing data Conversion factors for
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Loads Single row full complement cy
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Loads Symbols B = bearing width [mm
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Temperature limits Temperature limi
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Mounting Mounting Interchangeable c
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a r b B 2 r b r a r 4 r 3 B 1 D a d
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a B 2 r b r 3 r 4 B 1 D a d a d b d
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a B 2 r b r 4 r 3 B 1 D a d a d b d
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a B 2 r b B 1 D a d a d b d d 1 5.1
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a r a r a r a d a D a d a d b D a 5
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a r a r a r a d a D a d a d b D a 5
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a r a r a D a d a r b 645 r a D b D
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a r b r a r a r a D a d a D b D a d
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a r b r a r a r a D a d a D b D a d
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a r b r a D a d a D b 5.3 Dimension
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r a 657 r a r a d a D a 5.4 Dimensi
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r a r a r a d a D a 5.4 Dimensions
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r a 665 r a r a d a D a 5.4 Dimensi
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C a r a d a 5.5 Dimensions Abutment
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C a r a d a 5.5 Dimensions Abutment
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6 Needle roller bearings Designs an
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6 Needle roller bearings Special ne
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6 Needle roller bearings SKF suppli
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6 Needle roller bearings Needle rol
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6 Needle roller bearings SKF suppli
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6 Needle roller bearings NKX series
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6 Needle roller bearings Some sizes
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6 Needle roller bearings Cages for
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6 Needle roller bearings Sealing so
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6 Needle roller bearings Combined n
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6 Needle roller bearings Bearing da
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6 Needle roller bearings Table 7 Ta
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6 Needle roller bearings Table 13 R
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6 Needle roller bearings Loads, con
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6 Needle roller bearings Temperatur
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6 Needle roller bearings Shaft and
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6 Needle roller bearings Mounting D
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6 Needle roller bearings Designatio
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6.1 Needle roller and cage assembli
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6.2 Drawn cup needle roller bearing
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6.3 Needle roller bearings with mac
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6.7 Alignment needle roller bearing
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6.8 Alignment needle roller bearing
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6.9 Needle roller / angular contact
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6.9 Needle roller / angular contact
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6.10 Needle roller / thrust ball be
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6.11 Needle roller / thrust ball be
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6.12 Needle roller / cylindrical ro
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6.13 Needle roller bearing inner ri
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6.13 Needle roller bearing inner ri
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6.14 Needle rollers D w 1 - 6 mm D
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7 Tapered roller bearings Designs a
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Designs and variants Running-in Tap
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Designs and variants Application sp
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Designs and variants The bearing se
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Performance classes 7 805
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Bearing data Inch series Boundary d
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Bearing data Deviating width tolera
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Loads Loads Single row tapered roll
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Loads Table 5 Axial loading of bear
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Loads Fig. 9 ! !! L K a = K r F a a
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Design of bearing arrangements Fits
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Design of bearing arrangements Tabl
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Bearing designations Inch bearings
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C a C b D a d a d b D b r a r b Dim
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C a C b 843 D a d a d b D b r a r b
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a d a d b Dimensions Abutment and f
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C a r a r c D a d a Dimensions Abut
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a r c D a d a C a 869 Dimensions Ab
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a r c D a d a C a 871 Dimensions Ab
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C b r c 873 D b r a d b Dimensions
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C b r c 875 D b r a d b Dimensions
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C a C b D a d a d b D b r a r a r b
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8 Spherical roller bearings Designs
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8 Spherical roller bearings Assortm
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8 Spherical roller bearings Sealing
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8 Spherical roller bearings the rel
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8 Spherical roller bearings Acceler
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8 Spherical roller bearings Bearing
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8 Spherical roller bearings Table 4
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8 Spherical roller bearings Loads M
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8 Spherical roller bearings Tempera
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8 Spherical roller bearings Abutmen
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8 Spherical roller bearings Mountin
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8 Spherical roller bearings Designa
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8.1 Spherical roller bearings d 20
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1 r2 8.1 Spherical roller bearings
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8.2 Sealed spherical roller bearing
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8.3 Spherical roller bearings for v
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8.3 Spherical roller bearings for v
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8.4 Spherical roller bearings on an
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8.5 Spherical roller bearings on a
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9 CARB toroidal roller bearings Des
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Designs and variants Fig. 2 F r Fig
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Designs and variants Fig. 5 Bearing
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Performance classes Bearings for vi
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Bearing data When d > 300 mm: • P
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Bearing data Table 4 Radial interna
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Bearing data Diagram 1 The clearanc
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Bearing data Symbols B = bearing wi
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Design of bearing arrangements Fig.
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Design of bearing arrangements Tabl
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Designation system 9 979
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C a r a r a D a d a Dimensions Abut
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a r a D a d a Dimensions Abutment a
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Principal dimensions Abutment and f
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Principal dimensions Abutment and f
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Dimensions Mass Designations Bearin
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Dimensions Mass Designations Bearin
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10 Thrust ball bearings Designs and
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10 Thrust ball bearings Bearing dat
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10 Thrust ball bearings Temperature
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10.1 Single direction thrust ball b
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10.3 Double direction thrust ball b
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10.3 Double direction thrust ball b
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B r 4 r 3 10.4 Double direction thr
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10 Cylindrical roller thrust bearin
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Designs and variants directions. Th
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Bearing data Bearing data Dimension
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Bearing data Table 3 ISO tolerance
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Designation system Designation syst
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a r a D a d a max. E a min. E b Dim
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D a d a r a r a 1055 max. E a min.
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12 Needle roller thrust bearings De
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12 Needle roller thrust bearings Co
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12 Needle roller thrust bearings Ca
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12 Needle roller thrust bearings Ta
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12 Needle roller thrust bearings Lo
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12 Needle roller thrust bearings De
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12.1 Needle roller and cage thrust
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12.1 Needle roller and cage thrust
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12.2 Needle roller thrust bearings
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13 Spherical roller thrust bearings
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Performance classes Cages Cages in
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Bearing data Table 1 Permissible an
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Loads Symbols A = minimum load fact
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Design of bearing arrangements Desi
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Lubrication Fig. 6 Fig. 7 Fig. 8 13
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Designation system Designation syst
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a 30˚ H a 30˚ r a d b1 d b2 D a d
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a 30˚ H a 30˚ r a r a d b1 d b2 r
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14 Track runner bearings Designs an
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14 Track runner bearings Support ro
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14 Track runner bearings NNTR ...2Z
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14 Track runner bearings KR .. PPA,
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14 Track runner bearings Table 1 Ac
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14 Track runner bearings Table 4 Di
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14 Track runner bearings Lubricatio
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14 Track runner bearings Bearing da
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14 Track runner bearings Loads Sing
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14 Track runner bearings Table 7 IS
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14 Track runner bearings Design of
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14 Track runner bearings Mounting S
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14 Track runner bearings Designatio
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1 r 2 14.1 Single row cam rollers D
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1 r 2 14.2 Double row cam rollers D
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14.3 Support rollers without flange
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14.4 Support rollers without flange
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14.5 Support rollers with flange ri
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14.6 Cam followers D 16 - 32 mm B B
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14.6 Cam followers D 90 mm B B 1 r
Page 1151:
15 Engineered products 15A Sensor b
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15A Sensor bearing units Motor enco
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15A Sensor bearing units Cable conn
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15A Sensor bearing units Bearing da
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15A Sensor bearing units Motor enco
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15A Sensor bearing units Mounting a
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15A Sensor bearing units Roller enc
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15A Sensor bearing units Sensor tec
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15A.1 Motor encoder units d 15 - 45
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15B Bearings for extreme temperatur
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Deep groove ball bearings for extre
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Bearing data Bearing data Deep groo
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Design of associated components Des
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Designation system 15B 1177
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Dimensions Basic static load rating
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1181 15B.1
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15B.3 Y-bearings for extreme temper
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15C Bearings with Solid Oil In most
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15C Bearings with Solid Oil Bearing
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15D SKF DryLube bearings SKF DryLub
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SKF Dry Lube bearings Fig. 2 Assort
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Designs and variants Table 1 Charac
Page 1199 and 1200:
Bearing data Tapered roller bearing
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Bearing data Diagram 1 Selection gu
Page 1203 and 1204:
Temperature limits Temperature fact
Page 1205:
Designation system Maintenance SKF
Page 1208 and 1209:
15E INSOCOAT bearings Electric moto
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15E INSOCOAT bearings Cages INSOCOA
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15E INSOCOAT bearings Loads Minimum
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15E.1 INSOCOAT deep groove ball bea
Page 1216 and 1217:
15E.2 INSOCOAT cylindrical roller b
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15E.2 INSOCOAT cylindrical roller b
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15F Hybrid bearings Designs and var
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Designs and variants • Reduced ri
Page 1225 and 1226:
Designs and variants Hybrid deep gr
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Designs and variants Cages Dependin
Page 1229 and 1230:
Loads Loads Deep groove ball bearin
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Designation systems 15F 1229
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a r a D a d a 15F.1 Dimensions Abut
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a r a D a d a 15F.2 Dimensions Abut
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a r a D a d a 1235 Dimensions Abutm
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a r a D a d a 1237 Dimensions Abutm
Page 1241:
a r b 1239 D a d a d b Dimensions A
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15G NoWear coated bearings NoWear c
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15G NoWear coated bearings Table 1
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15H Polymer ball bearings Designs a
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Designs and variants Fig. 1 Single
Page 1253 and 1254:
Designs and variants Chemical resis
Page 1255 and 1256:
Bearing data Table 4 Tolerances for
Page 1257 and 1258:
Loads Symbols C = basic dynamic loa
Page 1259 and 1260:
Temperature limits and thermal expa
Page 1261 and 1262:
Factors influencing bearing perform
Page 1263 and 1264:
Designation system 15H 1261
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Principal dimensions Basic load rat
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Principal dimensions Basic load rat
Page 1269:
Principal dimensions Basic load Lim
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16 Bearing accessories Adapter slee
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16 Bearing accessories • designat
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16 Bearing accessories Product data
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16 Bearing accessories Designs and
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16 Bearing accessories Lock nuts Lo
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16 Bearing accessories washer liste
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16 Bearing accessories Precision lo
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16 Bearing accessories Product data
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16 Bearing accessories Installation
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16 Bearing accessories Designation
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16.1 Adapter sleeves for metric sha
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16.2 Adapter sleeves for inch shaft
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Page 1304 and 1305:
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16.3 Adapter sleeves with inch dime
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Page 1310 and 1311:
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16.4 Withdrawal sleeves d 1 35 - 17
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Page 1316 and 1317:
Page 1318 and 1319:
16.5 KM(L) and HM .. T lock nuts M
Page 1320 and 1321:
16.6 MB(L) lock washers MB 0 - MB 5
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16.7 HM(E) lock nuts Tr 220x4 - Tr
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16.7 HM(E) lock nuts Tr 950x8 - Tr
Page 1326 and 1327:
16.8 MS locking clips MS 3044 - MS
Page 1328 and 1329:
16.9 N and AN inch lock nuts G 0.39
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16.9 N and AN inch lock nuts G 11.0
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16.10 W inch lock washers W 00 - W
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16.11 PL inch locking plates PL 48
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16.13 KMFE lock nuts with a locking
Page 1338 and 1339:
16.14 KMT precision lock nuts with
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16.15 KMTA precision lock nuts with
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16.16 KMD precision lock nuts with
Page 1344 and 1345:
Indexes Text index ................
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Text index internal clearance 486-4
Page 1348 and 1349:
Text index chamfers boundary dimens
Page 1350 and 1351:
Text index sealing solutions 1100,
Page 1352 and 1353:
Text index G G angular contact ball
Page 1354 and 1355:
Text index J J angular contact ball
Page 1356 and 1357:
Text index MR 602 MT33 angular cont
Page 1358 and 1359:
Text index of self-aligning ball be
Page 1360 and 1361:
Text index selection criteria 22, 4
Page 1362 and 1363:
Text index stationary loads 165-166
Page 1364 and 1365:
Text index effect on relubrication
Page 1366 and 1367:
Product index Designation Product P
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