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Table of Contents Tapered Roller Bearings - מיסבים

CylindricalRoller BearingsIntroductionBallBearingsSpherica lRoller BearingsTaperedRoller BearingsThrustBearingsSplitPillowBlocksS uper PrecisionBearingsRolling MillBearingsLinearMotionEngineeringSecti on100 Table of ContentsTapered Roller BearingsINTRODUCTIONA bout NSK Tapered Roller Bearings ..100 NOMENCLATURE/INTERCHANGEM etric Tapered Nomenclature ..101 Metric Tapered Interchange ..101 Inch Tapered Nomenclature ..102 Inch Tapered Interchange ..102 APPLICATIONT apered Roller Applications ..103 bearing TABLES30200 Metric Series: Bore 15 to 32mm ..10430300 Metric Series: Bore 35 to 50mm ..10631300 Metric Series: Bore 55 to 70mm ..10832000 Metric Series: Bore 75 to 85mm.

Cylindrical Roller Bearings I n t rod u c t ion Ball Bearings Sph erical Roller Bearings T a p ered Roller Bearings T h r u s t Bearings Sp li …

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Transcription of Table of Contents Tapered Roller Bearings - מיסבים

1 CylindricalRoller BearingsIntroductionBallBearingsSpherica lRoller BearingsTaperedRoller BearingsThrustBearingsSplitPillowBlocksS uper PrecisionBearingsRolling MillBearingsLinearMotionEngineeringSecti on100 Table of ContentsTapered Roller BearingsINTRODUCTIONA bout NSK Tapered Roller Bearings ..100 NOMENCLATURE/INTERCHANGEM etric Tapered Nomenclature ..101 Metric Tapered Interchange ..101 Inch Tapered Nomenclature ..102 Inch Tapered Interchange ..102 APPLICATIONT apered Roller Applications ..103 bearing TABLES30200 Metric Series: Bore 15 to 32mm ..10430300 Metric Series: Bore 35 to 50mm ..10631300 Metric Series: Bore 55 to 70mm ..10832000 Metric Series: Bore 75 to 85mm.

2 11032200 Metric Series: Bore 90 to 100mm ..11232300 Metric Series: Bore 105 to 120mm ..11432900 Metric Series: Bore 130 to 160mm ..11633000 Metric Series: Bore 170 to 200mm ..11833100 Metric Series: Bore 220 to 400mm ..12033200 Metric Series: Bore 25 to 100mm ..12230200C Metric Series: Medium Angle ..12430300C Metric Series: Medium Angle ..12632200C Metric Series: Medium Angle ..12832300C Metric Series: Medium Angle ..130 Inch Series ..132 IntroductionABOUTNSK TAPEREDROLLERBEARINGSnHR Metric Taper Roller BearingsnInch Taper Roller BearingsTapered Roller Bearings are designed to take combined heavy radial loads and heavy thrust loadsin one direction while operating at moderate speeds.

3 The Bearings shown are single row with acone and cup (inner and outer rings) and a pressed steel retainer. Metrictapers feature asimplified part number for a complete bearing . Inchtapers require a part number for the cup andone for the cone. The difference between the metric and inch tapers is only in the dimensions ofmeasure for the s patented HRmetric taper offers extra capacity within the same boundary dimensions. Thismeans that an ordinary metric taper can easily be replaced with NSK's HRmetric taper. CylindricalRoller BearingsIntroductionBallBearingsSpherica lRoller BearingsTaperedRoller BearingsThrustBearingsSplitPillowBlocksS uper PrecisionBearingsRolling MillBearingsLinearMotionEngineeringSecti on101 Nomenclature Metric Tapered Roller BearingsHR32210 CJBore Size(04 and up: multiply last two numbers by 5 to get bore in mm)02:12mm 08: 40mm03:17mm 10: 50mm04:20mm 20:100mmSpecial bore sizes are as follows:/22:22mm /32:32mm /28:28mm PrefixHR:High CapacityBlank:C:D.

4 Standard angle = 15 to 17 Medium angle = 17 to 24 Steep angle = 24 and overSeries302003030031300320003220032300 32900330003310033200 Contact AngleJ:X:Cup angle and racewaydiameter conform to ISO 355 Dimension series 32000 and 32900 the major dimensionsconform to ISO 355 InterchangeabilityPlease refer to the bearing tables for exact part number Metric Tapered Roller BearingsDESCRIPTIONINTERCHANGENSKSKFT imkenFAGHIGH CAPACITY DESIGNHR------LIGHTHR302xx302xx302xx302x xMEDIUMHR303xx303xx303xx303xxMEDIUM, STEEP ANGLEHR313xx313xx313xx313xxEXTRA LIGHT, WIDEHR329xx329xx329xx329xxVERY LIGHT, WIDEHR320xx320xx320xx320xxLIGHT, WIDEHR322xx322xx322xx322xxMEDIUM, WIDEHR323xx323xx323xx323xxVERY LIGHT, EXTRA WIDEHR330xx330xx330xx330xxLIGHT, EXTRA WIDEHR331xx331xx331xx331xxMEDIUM.

5 EXTRA WIDEHR332xx332xx332xx332xxMEDIUM CONTACT ANGLECBBBSTEEP CONTACT ANGLED------MODIFIED INTERNAL DESIGNXXXXCONFORMS TO ISO 355J----APart NumberSuffixCylindricalRoller BearingsIntroductionBallBearingsSpherica lRoller BearingsTaperedRoller BearingsThrustBearingsSplitPillowBlocksS uper PrecisionBearingsRolling MillBearingsLinearMotionEngineeringSecti on102 Nomenclature Inch Tapered Roller BearingsInterchange Inch Tapered Roller BearingsLM11949 RPrefixCode Included Cup AngleAdditional Features*Design Number2 digits which identify the cup or coneBasic Series1-3 digit number that identifies maximum bore rangeEH:EL:H:HH:HM:J:L:LL:LM:M:123456789 Extra heavyExtra lightHeavyHeavier than heavyHeavy mediumMetric designedLightLighter than lightLight mediumMediumR:G:Conforms to AFBMA standardCase carburized cups & cone*NSK uses these two standard suffixes.

6 Either one or two letter suffixes may 23 59' "to 25 29' "to 26 59' "to 28 29' "to 30 29' "to 32 29' "to 35 59' "to 44 59' "024 25 30'27 28 30'30 30'32 30'36 45 up, but not thrust onlyPlease refer to the bearingtables for exact partnumber HEAVYEHEHEHKEHHEAVIER THAN HEAVYHHHHHHKHHHEAVYHHHKHHEAVY MEDIUMHMHMHMKHMMEDIUMMMMKMLIGHT MEDIUMLMLMLMKLMLIGHTLLLKLLIGHTER THAN LIGHTLLLLLLKLLEXTRA LIGHTELELELKEL0 TO 23 59 TO 25 29 30 TO 26 59 TO 28 29 30 TO 30 29 30 TO 32 29 30 TO 35 59 TO 44 59 up, but not thrust only9xxxx9xxxx9xxxx9xxxxCONFORMS TO AFBMA STANDARDRCASE CARBURIZED CUP & CONEGP refixCup AngleCylindricalRoller BearingsIntroductionBallBearingsSpherica lRoller BearingsTaperedRoller BearingsThrustBearingsSplitPillowBlocksS uper PrecisionBearingsRolling MillBearingsLinearMotionEngineeringSecti on103 Tapered Roller bearing ApplicationsShown below are some common applications utilizing a Tapered Roller bearing design.

7 The designallows for combinations of heavy radial and thrust loads with low to moderate speeds. Thissection covers only single row tapers although NSK manufactures a full line of two and four rowtapers as well. For more details on multiple row Tapered Roller Bearings , please see the RollingMill section of this catalog or contact an NSK designs function the same as their inch series cousins, the difference lies in the units ofmeasure. NSK metric tapers are standardly supplied with cup and cone together, while inch seriesbearings are available by the cup, cone, or cup and cone. The applications shown below are foreither metric or inch Bearings , with the equipment manufacturer choosing the preference ofdimensional measurements.

8 Metric tapers are usually found in equipment designed in Europe or Boxes in Bar and Rod MillsnPumps and CompressorsnCranes and HoistsnGears and DrivesnStamping PressesnMachine Tool SpindlesnBow Thrusts on ShipsnSpeed ReducersnTransmissionsnSheavesnConveyor and Transfer EquipmentnCoupling EquipmentnConstruction EquipmentnMining EquipmentnOil Field EquipmentnAutomotive Front and Rear AxlesnPlastic Forming EquipmentnAgriculture EquipmentnMotorcycle WheelsnPinion Shafts of Differential GearsnDrum ShaftsnCrankshaftsnCrushersCylindricalRo ller BearingsIntroductionBallBearingsSpherica lRoller BearingsTaperedRoller BearingsThrustBearingsSplitPillowBlocksS uper PrecisionBearingsRolling MillBearingsLinearMotionEngineeringSecti on104 TaperedRoller Bearings 30200 Metric Series Bore Diameter 15 320

9 *Maximum fillet which corner radius of bearing will NumberNominal bearing DimensionsPreferred Shoulder Diameters(in)dDT BCmminchmminchmminchmminchmminchr *da(min) db(max) Da(max) Table thru Table on page 318-21 Table on page 328 bearing TolerancesShaft & Housing FitsApplication DataCylindricalRoller BearingsIntroductionBallBearingsSpherica lRoller BearingsTaperedRoller BearingsThrustBearingsSplitPillowBlocksS uper PrecisionBearingsRolling MillBearingsLinearMotionEngineeringSecti on105 Basic Load Ratings(lbs) Dynamic Radial Load RatingCor= Static Radial Load RatingBearing NumberLimiting Speeds(1000 RPM) bearing Weight (Approx.)

10 CrCorGreaseOilalbsEffectiveLoadCenter(in ches)dadbDarrDTCdBaCylindricalRoller BearingsIntroductionBallBearingsSpherica lRoller BearingsTaperedRoller BearingsThrustBearingsSplitPillowBlocksS uper PrecisionBearingsRolling MillBearingsLinearMotionEngineeringSecti on106 TaperedRoller Bearings 30300 Metric Series Bore Diameter 15 260 HR303 HR303 HR303


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