Ball and Roller Bearings

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Bearing FitsTable 7.5 Numeric value table of fitting for radial bearing of 0 classTable 7.5 (1) Fitting against shaftNominal borediameter ofbearingMean borediameterdeviation1g5 g6h5 h6 j5 js5 j6bearing shaft bearing shaft bearing shaft bearing shaft bearing shaft bearing shaft bearing shaftd!dmpmmover incl. high low360-84T9L4T12L8T5L8T8L11T2L10.5T 2.5L14T2L6100-83T11L3T14L8T6L8T9L12T2L11T 3L15T2L10180-82T14L2T17L8T8L8T11L13T3L12T 4L16T3L18300-103T16L3T20L10T9L10T13L15T4L14.5T 4.5L19T4L30500-123T20L3T25L12T 11L12T16L18T5L17.5T 5.5L23T5L50800-155T23L5T29L15T 13L15T19L21T7L21.5T 6.5L27T7L801200-208T27L8T34L20T15L20T22L26T 9L27.5T 7.5L33T 9L1201401601401601800 -2511T32L11T39L25T18L25T25L32T11L34T 9L39T11L1802002252002252500 -3015T35L15T44L30T20L30T29L37T13L40T10L46T13L2502802803150 -3518T40L18T49L35T23L35T32L42T16L46.5T11.5L51T16L3153553554000 -4022T43L22T54L40T25L40T36L47T18L52.5T12.5L58T18L4004504505000 -4525T47L25T60L45T27L45T40L52T20L58.5T13.5L65T20L1 Above table is not applicable to tapered roller bearings whose bore diameter d is 30mm or less.Table 7.5 (2) Fitting against housingNominaloutsidediameter ofbearing61018305080120150180250315400Dmm1018305080120150180250315400500Mean outsidediameterdeviation000000000000!Dmpover incl. high low-8-8-9-11-13-15-18-25-30-35-40-452G7 H6 H7 J6 J7 Js7 K6housing bearing housing bearing housing bearing housing bearing housing bearing housing bearing housing bearing5L 28L6L 32L7L 37L9L 45L10L 53L12L 62L14L 72L14L 79L15L 91L17L104L18L115L20L128L017L019L022L027L032L037L043L050L059L067L076L085L0 23L0 26L0 30L0 36L0 43L0 50L0 58L0 65L0 76L0 87L0 97L0 108L4T13L5T14L5T17L6T21L6T26L6T31L7T36L7T43L7T52L7T60L7T69L7T78L2 Above table is not applicable to tapered roller bearings whose outside diameter D is 150mm or less.Note: Fitting symbol "L" indicates clearance <strong>and</strong> "T" indicates interference.7T16L8T18L9T21L11T25L12T31L13T37L14T44L14T51L16T60L16T71L18T79L20T88L7.5T15.5L9T10.5T19.5L12.5T23.5L15T17.5T32.5L20T20T23T26T17L28L38L45L53L61L28.5T68.5L31.5T76.5L7T10L9T10L11T11L13T14L15T17L18T19L21T22L21T29L24T35L27T40L29T47L32T53LA-54
Bearing FitsA-5512T12.5T13.5T16.5T20T24.5T31T 4L 4.5L 5.5L 6.5L 8L 9.5L11L14T15T17T21T25T30T38T1T1T1T2T2T2T3T17T18T20T25T30T36T45T1T1T1T2T2T2T2T17T20T23T27T32T39T48T4T6T7T8T9T11T13TNominal borediameter ofbearingdmmjs6 k5 k6 m5Unitm20T23T26T31T37T45T55T4T6T7T8T9T11T13Tm624T27T31T38T45T54T65T8T10T12T15T17T20T23Tn628T32T37T45T54T66T79T12T15T18T22T26T32T37Tp6r637.5T12.5L44.5T14.5L51T 16L65T 20L58T 18L46T3T54T4T62T4T69T4T77T5T53T3T63T4T80T4T90T4T71T4T58T15T67T17T78T20T86T21T95T23T65T15T76T17T87T20T97T21T108T23T77T27T90T31T101T34T113T37T125T40T93T43T109T50T123T56T138T62T153T68T113T115T118T63T65T68T136T139T143T77T80T84T161T165T94T98T184T190T108T114T211T217T126T132T36101830508061018305080120120140160140160180180200225200225250250280280315315355355400400450450500overincl.bearingshaftbearingshaftbearingshaftbearingshaftbearingshaftbearingshaftbearingshaftbearingshaft10T12T15T18T21T25T28T28T33T36T40T45T13L14L15L18L22L25L30L37L43L51L57L63L15T18T21T25T30T35T40T40T46T52T57T63T8L8L9L11L13L15L18L25L30L35L40L45L19T23T28T33T39T45T52T52T60T66T73T80T4L3L2L3L4L5L6L13L16L21L24L28L24T29T35T42T51T59T68T68T79T88T98T108T1T3T5T6T8T9T10T3T3T1T1T0610183050801201501802503154001018305080120150180250315400500Nominaloutsidediameter ofbearingDmmK7 M7 N7 P7Unitmoverincl.housingbearinghousingbearinghousingbearinghousingbearing
Page 1 and 2:
For New Technology NetworkRcorporat
Page 3 and 4:
WarrantyNTN warrants, to the origin
Page 5 and 6: TECHNICAL DATA CONTENTS1. Classific
Page 7 and 8: Classification and Characteristics
Page 15 and 16: Bearing SelectionSelect bearing’s
Page 17 and 18: Bearing Selection2.3 Selection of b
Page 19: Load Rating and Life3. Load Rating
Page 22 and 23: Load Rating and LifeThe basic stati
Page 24 and 25: Bearing Load CalculationTable 4.2 G
Page 26 and 27: Bearing Load Calculation4.3 Mean lo
Page 28 and 29: Bearing Load CalculationTable 4.5 B
Page 30 and 31: Bearing Load Calculation(Example 4)
Page 32 and 33: Boundary Dimensions and Bearing Num
Page 34 and 35: Boundary Dimensions and Bearing Num
Page 37 and 38: Bearing Tolerances6. Bearing Tolera
Page 39 and 40: Bearing TolerancesMean bore diamete
Page 41 and 42: Bearing TolerancesUnitmInner ringax
Page 43 and 44: Bearing TolerancesTMaster cupsub-un
Page 45 and 46: Bearing TolerancesInner ringaxial r
Page 47 and 48: Bearing TolerancesTable 6.8 Toleran
Page 49 and 50: 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: Bearing FitsTable 7.3 Standard fits
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 and 102: Bearing Damage and Corrective Measu
Page 103 and 104: Technical DataThis data is based on
Page 105 and 106: Technical Data17.5 Fitting surface
Page 107 and 108:
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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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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