Ball and Roller Bearings

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Four-Row Cylindrical Roller BearingsC1rr1B1Dd FWDrawing 1d Boundary dimensionsBasic load ratingsdynamic static dynamic staticmm kN kgfd D B1 C1 rs min r1s min Cr Cor Cr Cor120130140145150160170180190200180 92 92 2.5 2.5 400 785 40 500 80 000180 105 105 2.5 2.5 445 855 45 500 87 000200 104 104 2.5 2.5 490 955 49 500 97 000210 116 116 2.5 2.5 510 1 030 52 000 105 000210 155 155 2.5 2.5 705 1 640 71 500 168 000225 156 156 2.5 2.5 810 1 750 82 500 178 000220 150 150 2.5 2.5 750 1 640 76 500 168 000230 130 130 2.5 2.5 725 1 520 73 500 155 000230 156 156 2.5 2.5 930 2 040 95 000 208 000250 150 150 2.5 2.5 885 1 640 90 500 167 000220 180 180 2.5 2.5 920 2 490 93 500 254 000230 130 130 2.5 2.5 665 1 340 68 000 136 000230 168 168 2.5 2.5 915 2 170 93 500 222 000240 170 170 2 2.5 980 2 290 100 000 234 000230 120 120 2.5 2.5 620 1 520 63 000 155 000240 156 156 2.5 2.5 905 2 170 92 500 222 000240 160 160 2.5 2.5 905 2 180 92 000 222 000250 168 168 2.5 2.5 970 2 220 99 000 226 000255 180 180 2.5 2.5 1 100 2 430 112 000 247 000260 150 150 2.5 2.5 835 1 750 85 000 179 000260 225 225 2.5 2.5 1 310 3 150 134 000 320 000250 156 156 2.5 2.5 895 2 180 91 500 223 000260 168 168 2.5 2.5 1 020 2 400 104 000 244 000265 180 180 2.5 2.5 1 090 2 510 111 000 256 000260 168 168 2.5 2.5 980 2 600 100 000 265 000270 170 170 2.5 2.5 1 090 2 660 111 000 272 000270 200 200 2.5 2.5 1 260 3 100 128 000 315 000280 200 200 2.5 2.5 1 240 2 910 126 000 297 000270 170 170 2.5 2.5 970 2 610 99 000 266 000280 190 190 2.5 2.5 1 190 3 150 121 000 320 000280 200 200 2.5 2.5 1 310 3 300 134 000 335 000Minimal allowable dimension for chamfer dimension r or r1. An oil hole and groove are provided in the center of the outer ring. The oil groove isnot provided on the side.B-108
Four-Row Cylindrical Roller BearingsBearing Dimensions Drawing Massnumbersno.Fwkg(approx.)4R2437 137 1 8.24R2438 135 1 9.34R2628 150 1 12.14R2823 160 1 13.94R2906 166 1 184R2908 169 1 23.44R3031 168 1 19.44R3029 174 1 204R3040 174 1 24.54R3039 177 1 29.64R3224 177 1 20.24R3226 180 1 16.64R3232 179 1 23.44R3225 183 1 27.84R3426 187 1 14.24R3429 189 1 22.24R3423 190 1 22.84R3432 193 1 28.24R3425 193 1 19.34R3433 192 1 29.54R3431 196 1 444R3625 200 1 23.24R3628 202 1 29.44R3618 204 1 34.24R3820 212 1 26.94R3818 213 1 31.74R3821 212 1 37.54R3823 214 1 2) 41.54R4039 222 1 28.54R4026 223 1 36.74R4037 222 1 40.5Note: Drawing 1 represents a bearing with solid rollers and machined cage.B-109
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For New Technology NetworkRcorporat
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WarrantyNTN warrants, to the origin
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TECHNICAL DATA CONTENTS1. Classific
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Classification and Characteristics
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Bearing SelectionSelect bearing’s
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Bearing Selection2.3 Selection of b
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Load Rating and Life3. Load Rating
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Load Rating and LifeThe basic stati
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Bearing Load CalculationTable 4.2 G
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Bearing Load Calculation4.3 Mean lo
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Bearing Load CalculationTable 4.5 B
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Bearing Load Calculation(Example 4)
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Boundary Dimensions and Bearing Num
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Boundary Dimensions and Bearing Num
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Bearing Tolerances6. Bearing Tolera
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Bearing TolerancesMean bore diamete
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Bearing TolerancesUnitmInner ringax
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Bearing TolerancesTMaster cupsub-un
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Bearing TolerancesInner ringaxial r
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Bearing TolerancesTable 6.8 Toleran
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Bearing Tolerances!d!d2ddd+!dd+!dBT
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Bearing Fits7. Bearing Fits7.1 Fitt
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Bearing Fits(4) A particular type o
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Bearing FitsTable 7.3 Standard fits
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Bearing FitsA-5512T12.5T13.5T16.5T2
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Bearing FitsTable 7.7 General fitti
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Bearing Internal Clearance and Prel
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Nominal bore diameterdmm10241024303
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Friction and Temperature Rise10. Fr
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Lubricationviscosity base oil are b
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LubricationAluminum greaseAI soapNo
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Lubrication11.5 Oil lubricationOil
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LubricationTable 11.9 Factor KExpel
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External bearing sealing devicesTyp
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Bearing Materials13. Bearing Materi
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Shaft and Housing Design14. Shaft a
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Shaft and Housing Design14.2.3 Thru
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Bearing Handling280280Diametric exp
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Bearing HandlingTable 15.1 Installa
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Bearing HandlingLarge bearings, ins
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A-95
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Bearing Damage and Corrective Measu
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Bearing Damage and Corrective Measu
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Technical DataThis data is based on
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Technical Data17.5 Fitting surface
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Ball and Roller Bearings
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Tapered Roller Bearings !!!!!!!!!!!
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!Deep Groove Ball Bearings2. Standa
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Deep Groove Ball BearingsBrrDdd Op
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Deep Groove Ball Bearingsd Boundar
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Deep Groove Ball BearingsBrrarraDdD
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Expansion Compensating BearingsBrrD
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AC BearingsBrrDdd Open typeShielde
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!Miniature and Extra Small Bearings
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!Miniature and Extra Small Bearings
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Miniature and Extra Small Ball Bear
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Angular Contact Ball Bearings1.2 Fo
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Single and Duplex Angular Contact B
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Page 164 and 165: Four-Point Contact Ball BearingsQJ
Page 166 and 167: Double Row Angular Contact Ball Bea
Page 168 and 169: Double Row Angular Contact Ball Bea
Page 171 and 172: Self-Aligning Ball Bearings1. Desig
Page 173 and 174: Self-Aligning Ball BearingsEquivale
Page 179 and 180: Adapters(for self-aligning ball bea
Page 181: AdaptersB-75
Page 184 and 185: Cylindrical Roller BearingsTable 2
Page 186 and 187: Cylindrical Roller BearingsBBrr1rr1
Page 204 and 205: L Type Loose RibL type collar ringB
Page 206 and 207: L Type Loose RibL type collar ringB
Page 208 and 209: Double Row Cylindrical Roller Beari
Page 216 and 217: Four-Row Cylindrical Roller Bearing
Page 225 and 226: Tapered Roller BearingsSingle row t
Page 227 and 228: Tapered Roller Bearings5. ECO-Top t
Page 229 and 230: Tapered Roller BearingsInch series
Page 235 and 236: Tapered Roller BearingsSaSbr1aEquiv
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Page 255 and 256: Tapered Roller BearingsDa dbr1arada
Page 257 and 258: Tapered Roller Bearingsr1araEquival
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Tapered Roller Bearingsr1araEquival
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Tapered Roller Bearingsr1araEquival
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Tapered Roller BearingsDa dbr1arada
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Double Row Tapered Roller BearingsS
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Four Row Tapered Roller BearingsBea
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Spherical Roller Bearings2. Standar
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Spherical Roller BearingsBrrDddCyli
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Adapter(For spherical roller bearin
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Withdrawal Sleeves(For spherical ro
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Thrust BearingsSingle direction thr
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Thrust BearingsB-257
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Single Direction Thrust Ball Bearin
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Single Direction Thrust Ball Bearin
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Spherical Roller Thrust Bearingsdar
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Locknuts, Lockwashers& Lockplates
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LocknutsReferencewithdrawal sleeve
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LocknutsReferencebore no. lock- Sh
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Locknutsr1gbhsrB30˚ Gd2dPd6d1Beari
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NutsReferencewithdrawal sleeve no.A
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LockwashersSeries AWƒ25˚r2B2ƒ1B1
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LockwashersSeries AWLƒ25˚r2B2ƒ1B
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Snap rings and grooves for rolling
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Snap rings and grooves for rolling
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Catalog List and Appendix Table Con
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Catalog ListCATALOG TITLESCATALOG N
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D-41234567890001020304/2205/2806/32
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Appendix TableAppendix table 2: Com
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Appendix TableAppendix table 5: Dim
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Appendix TableAppendix table 6: Dim
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Appendix TableAppendix table 7: Bas
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Appendix TableAppendix table 9: Kgf
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D-16Rockwell hardnessBrinell hardne
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Ball and Roller Bearings

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