Ball and Roller Bearings

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Appendix TableAppendix table 2: Comparison of SI, CGS and gravity units-1SICGS systemGravitation systemLength LmcmmMass Mkggkgfs 2 /mTime TsssAccelerationm/s 2Galm/s 2ForceNdynkgfStressPadyn/cm 2kgf/m 2PressurePadyn/cm 2kgf/m 2EnergyJergkgfmUnit system Quantity SymbolAppendix table 3: SI-customary unit conversion table-1QuantityAngleLengthAreaVolumeMassTimeSpeedFrequency and vibration CycleUnit designationRevolutions (rotational speed) Revolutions per minute (rpm)Angular speed Radians per secondAccelerationForceForce moment Kilogram force / meterInertia moment Kilogram force / meter / square secondStressPressure EnergyPower rate and power Metric horsepowerDegreeMinuteSecondMeterMicronAngstromSquare meterAreHectareCubic meterLiterKilogramTonKilogram force / square second per meterSecondMinuteHourDayMeters per secondKnotMeters per square secondGKilogram forceTon forceDyneKilogram force per square meterKilogram force per square meterMeter water columnMeter of mercuryTorrAtmosphereBarErgIT calorieKilogram force / meterKilowatt hourMetric horsepower per hourWattKilogram force / meter per secondSymbolsecmÅm 2aham 3R.Lkgtkgfs 2 /msminhdm/skns -1 ppsrpmr/minrad/sm/s 2Gkgftfdynkgfmkgfms 2kgf/m 2kgf/m 2mH2OmHgTorratmbarergcalITkgfmkWhPShWPSkgfm/sConversion rate to SI SI unit designation/180 /10 800/648 000110 -610 -10110 210 4110 -3110 39.806 651603 60086 40011 852/3 60011/60119.806 659.806 659 806.6510 -59.806 659.806 659.806 659.806 659 806.65101 325/0.76101 325/760101 32510 510 -74.186 89.806 653.60010 62.647 7910 61735.59.806 65RadianMeterSquare meterCubic meterKilogramSecondMeters per secondHertzPer secondRadians per secondMeters per second squareNewtonNewton meterKilogram / square meterPascal or newton per square meterPascalJouleWattradmm 2m 3kgsm/sHzs -1rad/sm/s 2NNmkgm 2Pa or N/m 2PaJWD-6
Appendix TableAppendix table 2: Comparison of SI, CGS and gravity units-2SICGS systemGravitation systemPower rateWerg/skgfm/sTemperatureKCCViscosityPasPkgfs/m 2Dynamic viscositym 2 /sStm 2 /sMagnetic fluxWbMxFlux densityTGsMagnetic field strengthA/mOeQuantityViscosityDynamic viscosityTemperatureRadioactiveDosageAbsorption dosageDosage equivalentMagnetic fluxFlux densityMagnetic field strengthQuantity of electricityPotential differenceElectric resistanceCurrentUnit system Quantity SymbolAppendix table 3: SI-customary unit conversion table-2Unit designationPoiseCentipoiseKilogram force / square second per meterStokeCentistokeDegreeCurieRoentgenRadRemMaxwellGammaGaussOerstedCoulombVoltOhmAmpereSymbolPcPkgfs/m 2StcSt˚CCiRradremMxGsOeCVAConversion rate to SI10 -110 -39.806 6510 -410 -6+273.153.710 102.5810 -410 -210 -210 -810 -910 -410 3 /41111SI unit designationPascal secondSquare meter per secondKelvinBecquerelCoulombs per kilogramGraySievertWeberTeslaAmperes per meterCoulombVoltOhmAmperePasm 2 /sKBqC/kgGySvWbTA/mCVAAppendix table 4: Tenth power multiples of SI unitMultiples ofunit10 1810 1510 1210 910 610 310 210PrefixName SymbolExa EPeta PTera TGiga GMega MKilo kHecto hDeca daMultiples ofPrefixunit10 -110 -210 -310 -610 -910 -1210 -1510 -18 NameDeciCentiMiliMicroNanoPicoFemtoAtoSymboldcmnpfaD-7
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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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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
Page 350 and 351: Adapter(For spherical roller bearin
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Page 354 and 355: Withdrawal Sleeves(For spherical ro
Page 361 and 362: Thrust BearingsSingle direction thr
Page 363 and 364: Thrust BearingsB-257
Page 365 and 366: Single Direction Thrust Ball Bearin
Page 367 and 368: Single Direction Thrust Ball Bearin
Page 369 and 370: Spherical Roller Thrust Bearingsdar
Page 375 and 376: Locknuts, Lockwashers& Lockplates
Page 377 and 378: LocknutsReferencewithdrawal sleeve
Page 379 and 380: LocknutsReferencebore no. lock- Sh
Page 381 and 382: Locknutsr1gbhsrB30˚ Gd2dPd6d1Beari
Page 383 and 384: NutsReferencewithdrawal sleeve no.A
Page 386 and 387: LockwashersSeries AWƒ25˚r2B2ƒ1B1
Page 388 and 389: LockwashersSeries AWLƒ25˚r2B2ƒ1B
Page 390 and 391: Snap rings and grooves for rolling
Page 392 and 393: Snap rings and grooves for rolling
Page 394 and 395: Catalog List and Appendix Table Con
Page 396 and 397: Catalog ListCATALOG TITLESCATALOG N
Page 398 and 399: D-41234567890001020304/2205/2806/32
Page 402 and 403: Appendix TableAppendix table 5: Dim
Page 404 and 405: Appendix TableAppendix table 6: Dim
Page 406 and 407: Appendix TableAppendix table 7: Bas
Page 408 and 409: Appendix TableAppendix table 9: Kgf
Page 410 and 411: D-16Rockwell hardnessBrinell hardne
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Ball and Roller Bearings

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