Ball and Roller Bearings

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Technical Data17. Technical data17.1 Deep groove ball bearing radial internal clearances and axial internal clearances0.500.400.500.40Axial internal clearance mm0.300.200.100.08683068206815681068006805Axial internal clearance mm0.300.200.100.0860306020601560106000 60050.060.050.003 0.005 0.01 0.02 0.03 0.050.060.050.003 0.005 0.01 0.02 0.03 0.05Radial internal clearance mmRadial internal clearance mmFig. 17.1.1 Series 68 radial internal/axial internal clearancesFig. 17.1.3 Series 60 radial internal/axial internal clearances0.500.400.500.40Axial internal clearance mm0.300.200.100.08693069206915691069056900Axial internal clearance mm0.300.200.100.086230622062156210620562000.060.050.003 0.005 0.01 0.02 0.03 0.050.060.050.003 0.005 0.01 0.02 0.03 0.05Radial internal clearance mmRadial internal clearance mmFig. 17.1.2 Series 69 radial internal/axial internal clearancesFig. 17.1.4 Series 62 radial internal/axial internal clearancesA-100
Technical DataThis data is based on typical dimensions. NTN do not guarantee at this data.17.2 Angular contact ball bearing axial load and axial displacement0.040.04Axial displacement mm0.030.020.0179057910791579207930Axial displacement mm0.030.020.0172007205721072157220723000 0.5 1.0 1.5 2.0 2.500 0.5 1.0 1.5 2.0 2.5Axial load kNAxial load kNFig. 17.2.4 Series 72 axial load and axial displacementFig. 17.2.1 Series 79 axial load and axial displacement0.040.04Axial displacement mm0.030.020.01700070057010701570307020Axial displacement mm0.030.020.017215B7230B7200B7205B7210B7220B00 0.5 1.0 1.5 2.0 2.5Axial load kNFig. 17.2.2 Series 70 axial load and axial displacement00 0.5 1.0 1.5 2.0 2.5Axial load kNFig. 17.2.5 Series 72 B axial load and axial displacement0.04Axial displacement mm0.030.020.017000B7005B7010B7015B7030B7020B00 0.5 1.0 1.5 2.0 2.5Axial load kNFig. 17.2.3 Series 70 B axial load and axial displacementA-101
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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
Page 51 and 52: Bearing Fits7. Bearing Fits7.1 Fitt
Page 53 and 54: Bearing Fits(4) A particular type o
Page 55 and 56: Bearing FitsTable 7.3 Standard fits
Page 57 and 58: Bearing FitsA-5512T12.5T13.5T16.5T2
Page 59 and 60: Bearing FitsTable 7.7 General fitti
Page 61 and 62: Bearing Internal Clearance and Prel
Page 63 and 64: Nominal bore diameterdmm10241024303
Page 73 and 74: Friction and Temperature Rise10. Fr
Page 75 and 76: Lubricationviscosity base oil are b
Page 77 and 78: LubricationAluminum greaseAI soapNo
Page 79 and 80: Lubrication11.5 Oil lubricationOil
Page 81 and 82: LubricationTable 11.9 Factor KExpel
Page 83 and 84: External bearing sealing devicesTyp
Page 85 and 86: Bearing Materials13. Bearing Materi
Page 87 and 88: Shaft and Housing Design14. Shaft a
Page 89 and 90: Shaft and Housing Design14.2.3 Thru
Page 91 and 92: Bearing Handling280280Diametric exp
Page 93 and 94: Bearing HandlingTable 15.1 Installa
Page 95 and 96: Bearing HandlingLarge bearings, ins
Page 97 and 98: A-95
Page 99 and 100: Bearing Damage and Corrective Measu
Page 101: Bearing Damage and Corrective Measu
Page 105 and 106: Technical Data17.5 Fitting surface
Page 107 and 108: Ball and Roller Bearings
Page 109: Tapered Roller Bearings !!!!!!!!!!!
Page 112 and 113: !Deep Groove Ball Bearings2. Standa
Page 114 and 115: Deep Groove Ball BearingsBrrDdd Op
Page 118 and 119: Deep Groove Ball Bearingsd Boundar
Page 126 and 127: Deep Groove Ball BearingsBrrarraDdD
Page 132 and 133: Expansion Compensating BearingsBrrD
Page 134 and 135: AC BearingsBrrDdd Open typeShielde
Page 137 and 138: !Miniature and Extra Small Bearings
Page 139 and 140: !Miniature and Extra Small Bearings
Page 141 and 142: Miniature and Extra Small Ball Bear
Page 147: Miniature and Extra Small Ball Bear
Page 150 and 151: Angular Contact Ball Bearings1.2 Fo
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Single and Duplex Angular Contact B
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Four-Point Contact Ball BearingsQJ
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Double Row Angular Contact Ball Bea
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Double Row Angular Contact Ball Bea
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Self-Aligning Ball Bearings1. Desig
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Self-Aligning Ball BearingsEquivale
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Adapters(for self-aligning ball bea
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AdaptersB-75
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Cylindrical Roller BearingsTable 2
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Cylindrical Roller BearingsBBrr1rr1
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L Type Loose RibL type collar ringB
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L Type Loose RibL type collar ringB
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Double Row Cylindrical Roller Beari
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Four-Row Cylindrical Roller Bearing
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Tapered Roller BearingsSingle row t
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Tapered Roller Bearings5. ECO-Top t
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Tapered Roller BearingsInch series
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Tapered Roller BearingsSaSbr1aEquiv
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Tapered Roller BearingsDa dbr1arada
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Tapered Roller Bearingsr1araEquival
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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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