SKF - Rolling Bearings

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SKF – the knowledge engineering company Our knowledge – your success SKF Life Cycle Management is how we combine our technology platforms and advanced ser vices, and apply them at each stage of the asset life cycle, to help our customers to be more success ful, sustainable and profitable. Specification Maintain and repair Design and develop SKF Life Cycle Management Manufacture and test Install and commission Operate and monitor Working closely with you Our objective is to help our customers improve productivity, minimize main ten ance, achieve higher energy and resource efficiency, and optimize designs for long service life and reliability. Innovative solutions Whether the application is linear or rotary or a combination of the two, SKF engineers can work with you at each stage of the asset life cycle to improve machine performance by looking at the entire application. This approach doesn’t just focus on individual components like bearings or seals. It looks at the whole application to see how each com po nent interacts with the next. Design optimization and verification SKF can work with you to optimize current or new designs with proprietary 3-D modeling software that can also be used as a virtual test rig to confirm the integrity of the design. 16
Bearings SKF is the world leader in the design, development and manufacture of high performance rolling bearings, plain bearings, bearing units and housings. Machinery maintenance Condition monitoring technologies and main tenance services from SKF can help minimize unplanned downtime, improve operational efficiency and reduce maintenance costs. Sealing solutions SKF offers standard seals and custom engineered sealing solutions to increase uptime, improve machine reliability, reduce friction and power losses, and extend lubricant life. Mechatronics SKF fly-by-wire systems for aircraft and drive-by-wire systems for off-road, agricultural and forklift applications replace heavy, grease or oil consuming mechanical and hydraulic systems. Lubrication solutions From specialized lubricants to state-of-the-art lubrication systems and lubrication management ser vices, lubrication solutions from SKF can help to reduce lubrication related downtime and lubricant consumption. Actuation and motion control With a wide assortment of products – from actu ators and ball screws to profile rail guides – SKF can work with you to solve your most pressing linear system challenges. 17
Page 1 and 2: Rolling bearings
Page 3 and 4: Rolling bearings
Page 5 and 6: E Bearing specifics ...............
Page 7 and 8: 7.5 Matched bearings arranged back-
Page 9 and 10: 7
Page 11 and 12: Foreword This catalogue contains th
Page 13 and 14: without flange rings er bearings be
Page 15 and 16: Units of measurement This catalogue
Page 17: Meeting the toughest challenges Our
Page 21: Bearing basics ....................
Page 24 and 25: Bearing basics Selecting rolling be
Page 26 and 27: Bearing basics Bearing systems (†
Page 28 and 29: Bearing basics Bearing types and de
Page 30 and 31: Bearing basics Angular contact ball
Page 32 and 33: Bearing basics Cylindrical roller b
Page 34 and 35: Bearing basics Needle roller bearin
Page 36 and 37: Bearing basics Angular contact thru
Page 38 and 39: Bearing basics Support rollers (con
Page 40 and 41: Bearing basics Fig. 7 a b c c d Mac
Page 42 and 43: Bearing basics Boundary dimensions
Page 44 and 45: Bearing basics Basic bearing design
Page 46 and 47: Bearing basics Diagram 3 Designatio
Page 48 and 49: Bearing basics Basic selection crit
Page 50 and 51: Bearing basics Loads Fig. 19 Magnit
Page 52 and 53: Bearing basics Combined loads A com
Page 54 and 55: Bearing basics Misalignment Angular
Page 56 and 57: Bearing basics Friction Rolling bea
Page 58 and 59: Bearing basics Mounting and dismoun
Page 60 and 61: Bearing basics Sealing solutions To
Page 63 and 64: Selecting bearing size B A systems
Page 65 and 66: Bearing life and load ratings Beari
Page 67 and 68: Selecting bearing size using the li
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2 Selecting bearing size using the
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Selecting bearing size using the li
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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
Page 131:
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
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Lubrication Lubricating greases Lub
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Lubrication Temperature zones Tempe
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Lubrication Protection against corr
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Lubrication SKF greases - technical
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Lubrication Relubrication Rolling b
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Lubrication Very slow speeds Select
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Lubrication Diagram 4 Relubrication
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Lubrication Relubrication procedure
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Lubrication To effectively replace
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Lubrication Oil lubrication Fig. 6
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Lubrication Oil jet For very high-s
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Lubrication Selecting lubricating o
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20 000 Lubrication Diagram 5 Estima
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Mounting, dismounting and bearing c
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General Fig. 1 a b 1 2 a b 1 2 3 4
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Mounting Mounting Depending on the
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Mounting Bearing adjustment The int
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Mounting Fig. 14 the bearing († f
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Mounting Fig. 18 a c b b a c a Fig.
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TMEM 1500 Mounting Fig. 22 0.450 ON
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Dismounting Fig. 23 Dismounting If
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Dismounting Dismounting bearings fi
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Dismounting Fig. 32 Fig. 33 H 289
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Inspection and cleaning Bearing sto
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Deep groove ball bearings 1 Y-beari
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1 Deep groove ball bearings Designs
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1 Deep groove ball bearings Double
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1 Deep groove ball bearings Sealing
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1 Deep groove ball bearings Low-fri
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1 Deep groove ball bearings ICOS oi
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1 Deep groove ball bearings Grease
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1 Deep groove ball bearings Bearing
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1 Deep groove ball bearings Perform
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1 Deep groove ball bearings Bearing
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1 Deep groove ball bearings Table 6
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1 Deep groove ball bearings Loads S
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1 Deep groove ball bearings Tempera
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1 Deep groove ball bearings Designa
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1.1 Single row deep groove ball bea
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1.2 Capped single row deep groove b
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1.3 ICOS oil sealed bearing units d
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1.6 Stainless steel deep groove bal
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1.7 Capped stainless steel deep gro
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1.10 Double row deep groove ball be
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1.10 Double row deep groove ball be
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2 Y-bearings (insert bearings) Desi
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Design and variants Fig. 4 2 Fig. 2
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hole in the outer ring groove. This
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Y-bearings with a tapered bore Y-be
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Sealing solutions SKF supplies all
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Shields On request, Y-bearings can
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Design and variants Diagram 1 2 Gre
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Y-bearings for agricultural applica
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Design and variants 2 Table 4 Rubbe
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Performance classes 2 439
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Bearing data 2 with SKF ConCentra l
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Bearing data Fig. 27 2 5° 443
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Calculation factors Bearing series
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• outer ring temperature ≤ 60
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Threaded holes in the inner ring of
Page 453 and 454:
Mounting and dismounting When mount
Page 455 and 456:
Hook spanners for Y-bearings on an
Page 457 and 458:
Mounting and dismounting Eccentric
Page 459 and 460:
Designation system 2 Group 2 Group
Page 461 and 462:
Dimensions Basic load ratings dynam
Page 463 and 464:
Principal dimensions Basic load Fat
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463 2.2
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Dimensions Basic load Fatigue Limit
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Dimensions Basic load Fatigue Limit
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2.6 SKF ConCentra Y-bearings, inch
Page 473 and 474:
2.8 Y-bearings with a tapered bore
Page 475:
473 2.9
Page 478 and 479:
3 Angular contact ball bearings Des
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3 Angular contact ball bearings Pai
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3 Angular contact ball bearings Fou
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3 Angular contact ball bearings Sea
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3 Angular contact ball bearings Loc
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3 Angular contact ball bearings Bea
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3 Angular contact ball bearings Tab
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3 Angular contact ball bearings Loa
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3 Angular contact ball bearings Min
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3 Angular contact ball bearings Mat
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3 Angular contact ball bearings Mat
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3.1 Single row angular contact ball
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3.2 Double row angular contact ball
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3.2 Double row angular contact ball
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3.3 Capped double row angular conta
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3.3 Capped double row angular conta
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3.4 Four-point contact ball bearing
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4 Self aligning ball bearings Desig
Page 541 and 542:
Designs and variants Basic design b
Page 543 and 544:
Designs and variants Table 2 Cages
Page 545 and 546:
Bearing data Bore tolerance of self
Page 547 and 548:
Permissible speed Temperature limit
Page 549 and 550:
Design of bearing arrangements Bear
Page 551 and 552:
Design of bearing arrangements Tabl
Page 553 and 554:
Designation system 4 551
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a r a D a d a 4.1 Dimensions Abutme
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a D a 4.3 Dimensions Abutment and f
Page 567:
Principal dimensions Abutment dimen
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5 Cylindrical roller bearings Desig
Page 572 and 573:
5 Cylindrical roller bearings Singl
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5 Cylindrical roller bearings Other
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5 Cylindrical roller bearings Other
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5 Cylindrical roller bearings Beari
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5 Cylindrical roller bearings Singl
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5 Cylindrical roller bearings NNF d
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5 Cylindrical roller bearings Cages
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5 Cylindrical roller bearings Table
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5 Cylindrical roller bearings Loads
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5 Cylindrical roller bearings Dynam
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5 Cylindrical roller bearings Permi
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5 Cylindrical roller bearings Desig
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5.1 Single row cylindrical roller b
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5.2 High-capacity cylindrical rolle
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5.2 High-capacity cylindrical rolle
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5.3 Single row full complement cyli
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5.4 Double row full complement cyli
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5.5 Sealed double row full compleme
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5.5 Sealed double row full compleme
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6 Needle roller bearings Designs an
Page 677 and 678:
Designs and variants Basic design b
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Designs and variants Drawn cup need
Page 681 and 682:
Designs and variants Greases for fu
Page 683 and 684:
Designs and variants Needle roller
Page 685 and 686:
Designs and variants Alignment need
Page 687 and 688:
Designs and variants NKIA series Ne
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Designs and variants NX series Need
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Designs and variants Cages Dependin
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Designs and variants Table 3 Cages
Page 699 and 700:
Designs and variants solid contamin
Page 701 and 702:
Designs and variants Relubrication
Page 703 and 704:
Bearing data Drawn cup needle rolle
Page 705 and 706:
Bearing data Alignment needle rolle
Page 707 and 708:
Bearing data Thrust ball bearing Bo
Page 709 and 710:
Bearing data Table 5 Needle roller
Page 711 and 712:
Bearing data Table 10 Raceway toler
Page 713 and 714:
Loads Loads Needle rollers and cage
Page 715 and 716:
Loads Symbols Cylindrical roller th
Page 717 and 718:
Design of bearing arrangements Abut
Page 719 and 720:
Design of bearing arrangements Comb
Page 721 and 722:
Design of bearing arrangements 6 71
Page 723 and 724:
Designation system Group 4 4.1 4.2
Page 725 and 726:
Principal dimensions Basic load rat
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729 6.1
Page 733 and 734:
6.2 Dimensions Appropriate inner ri
Page 735 and 736:
BK .. RS HN 6.2 Dimensions Appropri
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BK .. RS HN HK BK (double row) (dou
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HN HK BK (double row) (double row)
Page 745 and 746:
HN 6.2 Dimensions Appropriate inner
Page 747 and 748:
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D a r a 747 6.3 Dimensions Abutment
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D a r a r a d a 6.4 Dimensions Abut
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d a 6.4 Dimensions Abutment and fil
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a r a D a d a D b 6.5 Dimensions Ab
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a D a r a 773 d a D b 6.5 Dimension
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a r a D a d a D b d b 6.6 Dimension
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D a r a r b d a 6.8 Dimensions Abut
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d a r a r a D a 6.9 Dimensions Abut
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D a 6.9 Dimensions Abutment and fil
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C a d a r a r a D a B i d i F r a 6
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a 6.11 Dimensions Abutment and fill
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a 6.12 Dimensions Abutment and fill
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Dimensions Mass Designation Dimensi
Page 795 and 796:
Dimensions Mass Designation d F B r
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795 6.14
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7 Tapered roller bearings Designs a
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7 Tapered roller bearings Assortmen
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7 Tapered roller bearings Matched b
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7 Tapered roller bearings Performan
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7 Tapered roller bearings Bearing d
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7 Tapered roller bearings Axial int
Page 814 and 815:
7 Tapered roller bearings Calculati
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7 Tapered roller bearings Calculati
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7 Tapered roller bearings Temperatu
Page 820 and 821:
7 Tapered roller bearings Table 6 S
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7 Tapered roller bearings Designati
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7.1 Metric single row tapered rolle
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7.2 Inch single row tapered roller
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7.3 Single row tapered roller beari
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7.4 Matched bearings arranged face-
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7.5 Matched bearings arranged back-
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7.5 Matched bearings arranged back-
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7.6 Matched bearings arranged in ta
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8 Spherical roller bearings Designs
Page 883 and 884:
Designs and variants Fig. 4 Fig. 5
Page 885 and 886:
Designs and variants • E design b
Page 887 and 888:
Designs and variants Greases for se
Page 889 and 890:
Designs and variants Bearings for v
Page 891 and 892:
Performance classes Performance cla
Page 893 and 894:
Bearing data Width tolerances for S
Page 895 and 896:
Bearing data Table 5 Radial interna
Page 897 and 898:
Loads Table 6 Symbols B = bearing w
Page 899 and 900:
Design of bearing arrangements Desi
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Design of bearing arrangements Fig.
Page 903 and 904:
Design of bearing arrangements Tabl
Page 905 and 906:
Designation system Group 4 4.1 4.2
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a r a D a d a Dimensions Abutment a
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a r a 931 D a d a Dimensions Abutme
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Principal dimensions Abutment and f
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Principal dimensions Mass Designati
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953 8.5
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9 CARB toroidal roller bearings Des
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9 CARB toroidal roller bearings Ass
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9 CARB toroidal roller bearings Sea
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9 CARB toroidal roller bearings Bea
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9 CARB toroidal roller bearings Tab
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9 CARB toroidal roller bearings Axi
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9 CARB toroidal roller bearings Cal
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9 CARB toroidal roller bearings Loa
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9 CARB toroidal roller bearings App
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9.1 CARB toroidal roller bearings d
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9.2 Sealed CARB toroidal roller bea
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9.2 Sealed CARB toroidal roller bea
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9.3 CARB toroidal roller bearings o
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10 Thrust ball bearings Designs and
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Designs and variants Bearings with
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Loads Loads Minimum load For additi
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Designation system Designation syst
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d a r a r a D a Dimensions Abutment
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R d a r a r a D a Dimensions Abutme
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R d a r a r a D a Dimensions Abutme
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D a d a r a r b Dimensions Abutment
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D a d a r a r b Dimensions Abutment
Page 1037:
D a d a r a r b R Dimensions Abutme
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11 Cylindrical roller thrust bearin
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11.1 Cylindrical roller thrust bear
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12 Needle roller thrust bearings De
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Designs and variants Intermediate w
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Designs and variants LS series univ
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Bearing data Bearing data Dimension
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Bearing data Table 3 ISO tolerance
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Permissible speed Temperature limit
Page 1071 and 1072:
Designation system Designation syst
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B 1 B B r 1 45° r 1 r 2 D d D d d
Page 1075 and 1076:
B 1 B B r 1 45° r 1 r 2 r 1 r 2 D
Page 1077:
B 1 B r 1 45° r 1 r 2 D d D d d 1
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13 Spherical roller thrust bearings
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13.1 Spherical roller thrust bearin
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14 Track runner bearings Designs an
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Designs and variants Support roller
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Designs and variants NUTR .. A desi
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Designs and variants KR design cam
Page 1109 and 1110:
Designs and variants during mountin
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Designs and variants Grease fitting
Page 1113 and 1114:
Designs and variants Cages Dependin
Page 1115 and 1116:
Designs and variants Relubrication
Page 1117 and 1118:
Bearing data Support rollers (R)NA
Page 1119 and 1120:
Loads Cam followers Symbols ... The
Page 1121 and 1122:
Speed limits Temperature limits The
Page 1123 and 1124:
Design of associated components Gui
Page 1125 and 1126:
Mounting 14 1123
Page 1127 and 1128:
Designation system Group 1 Group 2
Page 1129 and 1130:
Outside diameter Basic load ratings
Page 1131 and 1132:
Outside diameter Basic load ratings
Page 1133 and 1134:
Designation Basic load ratings Fati
Page 1135 and 1136:
Designation Basic load ratings Fati
Page 1137 and 1138:
3 r 4 d 1 NUTR .. A PWTR …2RS Des
Page 1139 and 1140:
3 r 4 d 1 NUTR .. A PWTR …2RS Des
Page 1141 and 1142:
d 1 45° r NNTR ...2ZL Designation
Page 1143 and 1144:
B 2 M 1 KR .. B, size ≥ 30 KRV ..
Page 1145 and 1146:
d 1 B 3 B 3 d d 1 c d NUKR .. A (NU
Page 1147 and 1148:
Page 1149:
Page 1153 and 1154:
15A Sensor bearing units Motor enco
Page 1155 and 1156:
Motor encoder units ring that conta
Page 1157 and 1158:
Motor encoder units Power supply SK
Page 1159 and 1160:
Motor encoder units Sensor The perm
Page 1161 and 1162:
50 Motor encoder units Fig. 12 Moun
Page 1163 and 1164:
Motor encoder units Designation sys
Page 1165 and 1166:
Other sensor bearing units Other se
Page 1167 and 1168:
Other sensor bearing units Sensor u
Page 1169:
a r a +1 D 2 d b d a D a Bore diame
Page 1172 and 1173:
15B Bearings for extreme temperatur
Page 1174 and 1175:
Page 1176 and 1177:
Page 1178 and 1179:
Page 1180 and 1181:
15B.1 Single row deep groove ball b
Page 1182 and 1183:
15B.1 Single row deep groove ball b
Page 1184 and 1185:
15B.2 Y-bearings for extreme temper
Page 1187 and 1188:
15C Bearings with Solid Oil Feature
Page 1189 and 1190:
Bearings and bearing units with Sol
Page 1191:
Designation system Speed limits The
Page 1194 and 1195:
15D SKF DryLube bearings SKF DryLub
Page 1196 and 1197:
15D SKF DryLube bearings Designs an
Page 1198 and 1199:
15D SKF DryLube bearings Bearing da
Page 1200 and 1201:
15D SKF DryLube bearings Table 2 Ra
Page 1202 and 1203:
15D SKF DryLube bearings Selecting
Page 1204 and 1205:
15D SKF DryLube bearings Speed limi
Page 1207 and 1208:
15E INSOCOAT bearings Designs and v
Page 1209 and 1210:
Designs and variants INSOCOAT beari
Page 1211 and 1212:
Bearing data Bearing data Deep groo
Page 1213 and 1214:
Designation system Fig. 2 Designati
Page 1215 and 1216:
a r a D a d a 15E.1 Dimensions Abut
Page 1217 and 1218:
a r b 15E.2 D a d a d b Dimensions
Page 1219:
a r b 1217 D a d a d b Dimensions A
Page 1222 and 1223:
15F Hybrid bearings Designs and var
Page 1224 and 1225:
15F Hybrid bearings Assortment The
Page 1226 and 1227:
15F Hybrid bearings Hybrid cylindri
Page 1228 and 1229:
15F Hybrid bearings Bearing data De
Page 1230 and 1231:
15F Hybrid bearings Temperature lim
Page 1232 and 1233:
15F.1 Hybrid deep groove ball beari
Page 1234 and 1235:
15F.2 Sealed hybrid deep groove bal
Page 1236 and 1237:
15F.2 Sealed hybrid deep groove bal
Page 1238 and 1239:
15F.3 XL hybrid deep groove ball be
Page 1240 and 1241:
15F.4 Hybrid cylindrical roller bea
Page 1243 and 1244:
15G NoWear coated bearings NoWear c
Page 1245 and 1246:
NoWear coating NoWear coated bearin
Page 1247:
Designation system Designs and vari
Page 1250 and 1251:
15H Polymer ball bearings SKF polym
Page 1252 and 1253:
15H Polymer ball bearings Materials
Page 1254 and 1255:
15H Polymer ball bearings Bearing d
Page 1256 and 1257:
15H Polymer ball bearings Loads The
Page 1258 and 1259:
15H Polymer ball bearings Diagram 1
Page 1260 and 1261:
15H Polymer ball bearings Permissib
Page 1262 and 1263:
15H Polymer ball bearings Designati
Page 1264 and 1265:
15H.1 Polymer single row deep groov
Page 1266 and 1267:
15H.1 Polymer single row deep groov
Page 1268 and 1269:
15H.2 Polymer thrust ball bearings
Page 1271 and 1272:
16 Bearing accessories Adapter slee
Page 1273 and 1274:
Adapter sleeves Fig. 2 Sleeve with
Page 1275 and 1276:
Adapter sleeves Fig. 7 E (with a KM
Page 1277 and 1278:
Withdrawal sleeves Withdrawal sleev
Page 1279 and 1280:
Withdrawal sleeves Product data Dim
Page 1281 and 1282:
Lock nuts Fig. 14 Fig. 17 MB / W lo
Page 1283 and 1284:
Lock nuts Precision lock nuts with
Page 1285 and 1286:
Lock nuts 1283 16
Page 1287 and 1288:
Lock nuts with an integral locking
Page 1289 and 1290:
Lock nuts KMD precision lock nuts K
Page 1291 and 1292:
Designation system Suffix Sleeves B
Page 1293 and 1294:
Page 1295 and 1296:
Page 1297 and 1298:
Principal dimensions d 1 d d 3 B 1
Page 1299 and 1300:
Principal dimensions d 1 d d 3 B 1
Page 1301 and 1302:
Page 1303 and 1304:
Page 1305 and 1306:
Page 1307 and 1308:
Principal dimensions Thread Mass De
Page 1309 and 1310:
Page 1311 and 1312:
Page 1313 and 1314:
Page 1315 and 1316:
Page 1317 and 1318:
Page 1319 and 1320:
Dimensions Axial load carrying capa
Page 1321 and 1322:
Designation Dimensions Mass d d 1 d
Page 1323 and 1324:
Dimensions Mass Designations Lock n
Page 1325 and 1326:
1323 16.7
Page 1327 and 1328:
Designations Dimensions Mass Lockin
Page 1329 and 1330:
Threads 1) Dimensions Mass Designat
Page 1331 and 1332:
1329 16.9
Page 1333 and 1334:
Designation Dimensions Mass d d 1 d
Page 1335 and 1336:
16.12 KMK lock nuts with an integra
Page 1337 and 1338:
Page 1339 and 1340:
Page 1341 and 1342:
Page 1343 and 1344:
1341 16.16
Page 1345 and 1346:
Text index A A angular contact ball
Page 1347 and 1348:
ass cage types 37-38 in polymer bal
Page 1349 and 1350:
sealing solutions 579-581, 599, 668
Page 1351 and 1352:
extreme temperature bearings 1169-1
Page 1353 and 1354:
housings 24 fits and tolerance clas
Page 1355 and 1356:
M M angular contact ball bearings 4
Page 1357 and 1358:
O ocean-going vessels 83 off-highwa
Page 1359 and 1360:
values for CARB toroidal roller bea
Page 1361 and 1362:
SM 721 small bearings 275, 285 smea
Page 1363 and 1364:
terminology 25 types 33-35 thrust c
Page 1365 and 1366:
design 1223 dimensional stability 1
Page 1367 and 1368:
Designation Product Product table N
Page 1369 and 1370:
Page 1371 and 1372:
Page 1373 and 1374:
Page 1375 and 1376:
Page 1377:
1375 Index Index
show all

SKF - Rolling Bearings

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