Tapered Roller Bearings Prefixes And Suffixes

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Tapered Roller Bearings Prefixes and SuffixesPREFIXSUFFIXCONE OR CUPEXPLANATIONAAAAAAAAABCone & CupConeConeConeCupCupCupCone & BConeCupCone & CupConeAVAWAXAXBCone & CupCone & CupCone & CupConeAXDAXVAXXBBCupCone & CupCone & CupCupCone & ard basic series part number.Different bore from basic part number.Different complement of rollers.Different radius from basic part number.Different OD from basic part number.Different radius from basic part number.Different width from basic part number.Different bore, OD, width, or radius from basic part number.Different bore, width, or radius from basic part number, assembledwith brass cage.Flanged cup. (Non-interchangeable with basic part number.)Different bore or radius, different internal geometry.Different OD, width, or radius from basic part number.Double cup. (Non-interchangeable with basic part number.)Double cone. Pilots and slots each end, holes in large rib.Assembled with special cage, rollers, and/or Duo-Face internal geometry.(Non-interchangeable with basic part number.)Assembled with Duo-Face seal.Single cup with snap ring groove in OD.Different bore, OD, width, or radius from basic part number.Single cone, different bore or width from basic part number, assembled withbrass cage.Made of special steel.Keyway or slotted cone or cup.Different bore, OD, width, or radius from basic part number.Different bore, width, or radius from basic part number,assembled with brass cage.IsoClass cup – double cup without oil holes or groove.Different OD, width, or radius from basic part number. Made of special steel.Different OD, width, or radius from basic part number. Made of special steel.Flanged cup. (Non-interchangeable with basic part number.)IsoClass bearing with same boundary dimensions as basic part number,but with different internal geometry, steeper included cup angle.Flanged cup. (Non-interchangeable with basic part number.)IsoClass cone used in assemblies with 2 cones mated with double cup to forma double row non-adjustable bearing. (Non-interchangeable with other coneshaving the same basic part numbers which may vary in bore or widthdimensions.)Single cup with groove in OD for snap ring.Flanged cup. (Non-interchangeable with basic part number).Flanged cup with slot. (Non-interchangeable with basic part number.)Flanged single cup. Made of special steel.Single cone, envelope dimensions same as basic part number, differentinternal geometry.Dimensionally different from basic part number. (Non-interchangeable).A1

Tapered Roller Bearings Prefixes and SuffixesPREFIXSUFFIXCONE OR CUPEXPLANATIONCAConeCBCDCECPCPConeCupCupCupCone & CupCone & CupCRCSCXDDACone & CupCone & CupConeCone & CupConeDACupDBCupDBDCDDConeCupCone & CupDECone & TCupDVDVHCone & CupConeDWCone & CupDWADWHConeConeSingle cone, envelope dimensions same as basic part number, differentinternal geometry.Single cone, dimensionally different from basic part number.Double cup with oil holes and groove. One hole counter-bored for locking pin.Dimensionally different from basic part number. (Non-interchangeable.)Neoprene cushioned cup.Flash chrome plated. Otherwise, interchangeable with basic part number.Envelope dimensions same as basic part number, different internalgeometry, customized for performance.Ribbed cup bearing series.Dimensionally different from basic part number. (Non-interchangeable.)Dimensionally different from basic part number. (Non-interchangeable.)Double cone or double cup. (Non-interchangeable with basic part number.)Double cone. (Non-interchangeable with cones having same basicpart number.)Spherical OD double cup. (Non-interchangeable with basic partnumber or other double cups having same basic numbers.)Double cup with flange. (Non-interchangeable with basic partnumber or double cups having same basic numbers.)Double cone assembled with brass cages.Double cup with hole for locking pin.Special long double cone or cup. (Non-interchangeable with basic partnumber or other double parts having same basic numbers.)Double cone or double cup having different dimensions or othercharacteristics from single and double parts identified with samebasic part number.Double cup with oil holes and groove. Snap ring groove on OD.Double cone with groove in bore.Double cone with pressure removal groove in bore, and having face slots.Double cone with special cage, rollers, and/or internal geometry.(Non-interchangeable with basic part number.)Double cone with puller groove.Double cup for ribbed cup series. (Non-interchangeable with singleand double cups identified with same basic part number.)Double cup with snap ring groove.Crowned OD double cup. (Non-interchangeable with other cups having samebasic part numbers.)Tapered OD double cup. (Non-interchangeable with other cups having samebasic part numbers.)Double cone or double cup made of special steel.Double cone, special steel, and/or internal geometry. (Non-interchangeablewith basic part number.)Double cone or double cup with keyway or slot. (Non-interchangeable withcones or cups identified with same basic part numbers.)Double cone with one end extended and with oil slots in extended end.Double cone with oil slots, assembled with special cage, rollers, and/orinternal geometry. (Non-interchangeable with basic part number.)CN2

Tapered Roller Bearings Prefixes and SuffixesPREFIXSUFFIXCONE OR CUPEXPLANATIONDWVCone & CupDXDXXECupCone & CupCone & CupEDCupEDCCupConeDouble cone or double cup with keyway or slot. (Non-interchangeable withcones or cups identified with same basic part numbers.) Made of special steel.Adaptor for spherical or straight OD cup.Double cone or double cup made of special steel.Cones or cups having special characteristics differing from andnon-interchangeable with other cones or cups identified with the samebasic part numbers.Double cup. (Non-interchangeable with other cups identified with same basicpart numbers.)Double cup, special hole in OD for locking pin.Large and small ribs - close guided rollers. (Non-interchangeable with othercones identified with same basic part numbers.)Extra heavy Series.Extra light Series.Experimental.Cones or cups having special characteristics differing from andnon-interchangeable with other cones or cups identified with the same basicpart numbers. Made of special steel.Assembled with polymer cage.“Free lateral” series, no large or small ribs.Factory identification number only.Retainer groove in bore.Heavy series. (Non-interchangeable with other cones and cups identified withsame basic part numbers.)Assembled with special cage, rollers, and/or internal geometry.(Non-interchangeable with basic part number.)Assembled with special cage, rollers, and/or internal geometry.Made of special steel. (Non-interchangeable with basic part number.)Heavy-Heavy Series. (Non-interchangeable with other cones and cupsidentified with same basic part numbers.)Heavy-Medium Series. (Non-interchangeable with other cones and cupsidentified with same basic part numbers.)Assembled with special cage and/or roller, different internal geometry.Customized for performance. (Non-interchangeable with basic part number.)Special cup used on “Hydra-Rib” bearing. (Non-interchangeable with basicpart number.)Used alone or with other prefix letters to indicate metric bore and/or OD.Metric Series.Metric Series.Metric Series.Metric Series.Metric Series.Metric Series.Metric Series.Metric Series.Metric Series, UNIPAC bearing.Metric Series.EEEHELEXEXXFFLFXGHCone & CupCone & CupCone & CupCone & CupConeCone & CupCone & CupConeCone & CupHConeHVConeHHCone & CupHMCone & CupJJCJDJEJFJGJNJPJRJRMJSHPConeHRCupCone & CupCone & CupCone & CupCone & CupCone & CupCone & CupCone & CupCone & CupCone & CupCone & CupCone & Cup3

Tapered Roller Bearings Prefixes and SuffixesPREFIXSUFFIXJTJUJWKEXPLANATIONCone & CupCone & CupCone & CupCupMetric Series.Metric Series.Metric Series.Double cup with heavy section. May have unusual feature such as flange.(Non-interchangeable with basic part number.)Cadmium plated.Light Series. (Non-interchangeable with other cones and cups identified withsame basic part numbers.)Cone assembled with Duo-Face seal.Loose rib. (Part of Unit-Bearing.)Cone assembled with Duo-FaceX seal and with “O” ring groove in bore.These suffixes are used on a basic Duo-Face-Plus seal number to identify theassembly resulting from the use of the seal various cones in the series.Light-Light Series.Light-Medium Series.Medium Series.Bock or Gilliam type bearings.Two cones mated with double cup to form double row non-adjustable bearing.(Non-interchangeable with other cones having same basic part numberswhich may vary in bore, OD, and width dimensions.)Etched electric pencil or double cups mated with two “NA” type single conesto form double row non-adjustable bearings.“NA” cone made of special steel.Cushioned cup (usually neoprene).Tapered or threaded bore.Used with random numbers for product differentiation.“NA” type ribless cone for ribbed cup series.“NA” type cone with slotted front face.“NA” type cone with slotted front face. Made of special steel.Lapped front face.Puller groove.Customized for performance.Gilliam replacement series. (Non-interchangeable with other cones and cupsidentified with same basic numbers.)Special feature bearing. (Non-interchangeable with bearings having the samebasic part numbers.)Bock type bearing.Basic part number with polymer lubricant.Snap ring on OD.Special ribbed cup bearing.Used with random numbers, not to exceed six (6) digits, for purchased itemsthat are distributed by Timken.“Relieved race.”Special feature bearing. (Non-interchangeable with bearings having samebasic part numbers.)KPThrust BearingCone & CupLLLALA, LB,ConeCupConeSealNACone & CupCone & CupCone & CupConeConeNACupNAVNCNlConeCupCupCone & CupConeConeConeConeConeCone & CupCone & CupLLLLMMNNACONE OR CUPNPNRNWNWVNXPPRRCone & CupRRRBRNCone & CupConeCupCone & CupVariousRRSCone & CupCone & CupRC4

Tapered Roller Bearings Prefixes and SuffixesPREFIXSUFFIXCONE OR CUPEXPLANATIONSACone & CupSBSBSCSDConeCupConeCone & CupSHConeSLSRSWThrust BearingConeCone & CupSWBConeSWVConeSXCupSpecial feature bearing. (Non-interchangeable with bearings having samebasic part numbers.)Assembled with brass cage. (Non-interchangeable with basic part number.)Flanged cup. (Non-interchangeable with basic part number.)With square bore. (Non-interchangeable with basic part number.)Double cone with square bore or double cup. (Non-interchangeable with basicpart number.)Special feature bearing, with special cage, rollers, and/or internal geometry.(Non-interchangeable with bearings having same basic part numbers.)Basic part number with polymer lubricant.Different radius from basic part numbers.Slot or keyway. (Non-interchangeable with bearings having same basic partnumbers.)Slot or keyway assembled with brass cage. (Non-interchangeable withbearings having same basic part numbers.)Slot or keyway made of special steel. (Non-interchangeable with bearingshaving same basic part numbers.)Special feature bearing. (Non-interchangeable with bearings having samebasic part numbers.)Thrust bearing assemblies.Double cup with heavy section. May have unusual feature such as flange,tapered OD, etc.Tapered bore. (Non-interchangeable with basic part number.)Tapered OD. (Non-interchangeable with basic part number.)Tapered bore “NA” type cone. (Non-interchangeable with basic part number.)Tapered OD. (Non-interchangeable with basic part number.)Tapered bore cone with brass cage. (Non-interchangeable with basic partnumber.)Thrust bearing assembly.Tapered bore. (Non-interchangeable with basic part number.)Double with tapered bore. (Non-interchangeable with basic part number.)Double with tapered bore, assembled with brass cages. (Non-interchangeablewith basic part number.)Double with tapered bore and extended rib. (Non-interchangeable with basicpart number.)Double with tapered bore, groove in bore. (Non-interchangeable with basicpart number.)Double with tapered bore, groove in bore. Made of special steel.(Non-interchangeable with basic part number.)Double with tapered bore, special cage, rollers or internal geometry.(Non-interchangeable with basic part number.)Double with tapered bore, interlock feature. (Non-interchangeable with basicpart number.)Double with tapered bore. Made of special steel. (Non-interchangeablewith basic part number.)Double with tapered bore and slots or keys. (Non-interchangeablewith basic part neTDVConeTDWConeTC5

Tapered Roller Bearings Prefixes and SuffixesPREFIXSUFFIXCONE OR ConeTPEConeTPVConeTWCone & CupTWECone & CupTXXConeDouble with tapered bore. Made of special steel. (Non-interchangeable withbasic part number.)Single, tapered bore, extended large rib. (Non-interchangeable with basic partnumber.)Single, tapered bore, extended large rib. Made of special steel.(Non-interchangeable with basic part number.)Tapered bore with interlock feature. (Non-interchangeable with basic part number.)Tapered bore with interlock feature and extended rib. (Non-interchangeablewith basic part number.)Tapered bore cone with puller groove. (Non-interchangeable with basic partnumber.)Tapered bore cone with puller groove, extended large rib.(Non-interchangeable with basic part number.)Tapered bore cone. Made of special steel. (Non-interchangeable with basicpart number.)Tapered bore cone or cup OD with slots or keys. (Non-interchangeable withbasic part number.)Tapered bore cone or cup OD with locking keyway in front face, extendedlarger rib. (Non-interchangeable with basic part number.)Tapered bore. Made of special steel. (Non-interchangeable with basic partnumber.)Basic series part number, unitized, self-contained.Basic series part number, unitized, self-contained.Special close stand.Special close stand.Made of special steel.Special internal geometry. Made of special steel. (Non-interchangeable withbasic part number.)Special cage, rollers, and/or internal geometry. Made of special steel.(Non-interchangeable with basic part number.)Slot(s) or keyway(s).Oil holes in retainer.Slot(s) or keyway(s) with brass cage.Slot(s) or keyway(s).Double cone with slot(s) or keyway(s).Extended face with slot(s) or keyway(s). (Non-interchangeable with basic partnumber.)Slot(s) or keyway(s).Slot(s) or keyway(s). Made of special steel.Slot(s) or keyway(s). Made of special steel.IsoClass part number.Slot(s) or keyway(s).Special feature bearing. (Non-interchangeable with bearings having the samebasic part number.)IsoClass bearing with same boundary dimensions as basic part number butwith different internal geometry, yielding increased rating.UVVCCone & CupCone & CupCone & CupCone & CupCone & CupConeVHConeWWWBWCWDWECone & CupThrust BearingConeConeConeCone & CupWSWVWXXXXCone & CupCone & CupCone & CupConeConeCone & CupXCone & CupUUSVX6

Tapered Roller Bearings Prefixes and SuffixesPREFIXSUFFIXCONE OR CUPEXPLANATIONXACone & CupSpecial feature bearing. (Non-interchangeable with bearings having the samebasic part number.)IsoClass single cone. (Non-interchangeable with bearings having the samebasic part number.)IsoClass single cone. (Non-interchangeable with bearings having the samebasic part number.)Different bore, width, or radius, from basic part number. Assembled with brasscage. (Non-interchangeable with basic part number.)Special feature flanged cup. (Non-interchangeable with bearings having thesame basic part number.) (Non-interchangeable with basic part number.)Limited production bearings to which standard series part numbers have notbeen assigned.Double cup, no oil holes or groove.Double cone, different bore or width from basic part numbers.Double cone, oil holes in large rib.Double cup, no oil holes or groove, special material and process.Different bore, width, or radius from basic part number.IsoClass single cone. (Non-interchangeable with bearings having the samebasic part number.)IsoClass single cone. (Non-interchangeable with bearings having the samebasic part number.)Special steel and process.Crossed roller bearing series.Different bore, width, or radius from basic part number.Double.Special feature cone or cup made of special steel.Slotted.Single cone or single cup. Made of special steel.IsoClass part number.Double cup with oil holes, no groove. (Non-interchangeable with basic partnumber.)Double cup with oil holes, no groove. (Non-interchangeable with bearingshaving the same basic part number.)Double cup with oil holes, no groove. Made of special steel.Double cup with oil holes, no groove. Slot(s) or keyway(s) in face(s).IsoClass single cup. (Non-interchangeable with bearings having the samebasic part number.)IsoClass single cup. (Non-interchangeable with bearings having the samebasic part number.)IsoClass single cup. (Non-interchangeable with bearings having the samebasic part number.)Close stand part.XAAConeXABConeXBConeXBCupXCCone & XVXWXXYDCone & CupConeCone & CupConeCone & Cone & Cup7

PREFIX SUFFIX CONE OR CUP EXPLANATION Tapered Roller Bearings Prefixes and Suffixes 1. CA Cone Single cone, envelope dimensions same as basic part number, different internal geometry. CB Cone Single cone, dimensionally different from basic part number. CD Cup Double cup with oil holes and groove. One hole counter-bored for locking pin.

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