BEARING AND LINEAR REFERENCE GUIDE

Spherical Roller BearingsNomenclatureBore Size(multiply last two numbersby 5 to get bore in mm)20: 100 mm48: 240 mm32: 160 mm96: 480 mmMaterial PrefixTL:Tough and Long LifeHTF: High ToughSTF: Super ToughWTF: Water ToughBlank: Standard MaterialsTL500 millimeters and larger written as:/500: 500 mm /710: 710 mm/630: 630 mm/1000: 1000 mm23072Basic Type213xx: Spherical Roller, Extra Heavy222xx: Spherical Roller, Medium223xx: Spherical Roller, Heavy230xx: Spherical Roller, Light231xx: Spherical Roller, Medium232xx: Spherical Roller, Heavy239xx: Spherical Roller, Extra Light240xx: Spherical Roller, Light, Wide241xx: Spherical Roller, Medium, WideCAMLubrication FeaturesE3:Holes Only, OuterE4:Groove & Holes, OuterE7:Groove & Holes, Outer & InnerE8:Outer Ring with Tapped Holesin both Faces for LiftingBlank: No Relubriction FeatureBore TypeBlank: Cylindrical BoreK:1:12 Tapered BoreK30:1:30 Tapered BoreKCage OptionsCAM: One Piece Brass, Guide RingC,CD: Two Piece Steel, Guide RingEA: High Capacity SteelH:Two Piece PolyamideM: Two Piece Brass,Integral Guide FlangeG3E4C3Material CodeG:Carburized, inner and outerring rolling elementG2:Carburized, outer ring onlyG3:Carburized, inner ring onlyG5:Carburized, inner and outer ringsBlank: Thru Hardened Bearing SteelOther FeaturesP52: Outer Ring AccuracyP53: Inner Ring AccuracyP55: Both Ring AccuracyU22: Special InspectionMeasureS11: Inner and Outer RingHeat Stabilizedto 200 CVE:Vibrating EquipmentW507: S11, E4, W31W509: S11, E7, W31P55S11Internal ClearanceC2:Blank:C3:C4:TightNormalGreater than Normal ClearanceGreater than C3 ClearanceInterchangePart Number SuffixPart NumberDescriptionExtra LightLightLight, WideMediumMedium, WideMediumHeavyExtra HeavyHeavyBrass Cage, One Piece, Guide RingBrass Cage, Two Piece, Guide FlangeSteel Cage, Two Piece, Guide RingHigh Capacity Steel CagePolyamide Cage, Two PieceTapered Bore 1:12Tapered Bore 1:30Carburized Steel, Complete BearingCarburized Steel, Inner Ring OnlyLube Groove & Holes Outer RingLube Groove & Holes Outer Ring, and Inner RingOuter Ring, Tapped Holes One Face for LiftingOuter Ring, Tapped Holes Both Face for Lifting E4 FeatureHoles Only Outer RingInner Ring Lube Groove and HolesNo Relube FeaturesPlugs Provided for Outer Ring HolesCombination S11, E4 & W31Combination W33, W31Combination S11, E7 & W31Outer Ring with Extra Close Running AccuracyInner Ring with Extra Close Running AccuracyInner and Outer Ring with Extra Close Running AccuracySpecial Inspection MeasuresInner Ring and Outer Ring Heat Stabilized to 200 CTight ClearanceNormal ClearanceGreater than Normal ClearanceGreater than C3 x*240xx*231xx*241xx*222xx*232xx*213xx*223xx*CAM, AMMC x232xx213xx223xxCA, CACMMCCJ, x222xx232xx213xx223xxYMBRCJ, 240xx231xx241xx222xx232xx213xx223xxM, MB, 40AT52BNT52BET52BW--C2BLANKC3C4The competitive manufacturers are provided for a convenient source of unit substitution. They can be considered interchangeable in most instances, but for special applications, please consult NSK Engineering.NSK assumes no liability with respect to errors or omissions.* Indicates NSK HPS High Performance Standard Bearing6

Shaker Screen BearingsVibrating Equipment SpecificationNomenclatureSpherical Bearing2Oil Groove &Holes in Outer RingBore Diameter Number2320Bearing Series Higher Precision Bore & OD Tolerances Special Radial Internal Clearance Range Unique Combination of Geometry &Finishes Optimize PerformanceVE: Vibrating Screen BearingSBVS/SAVS: Special DimensionVibrating Screen BearingCAME4VEC4Internal Clearance SpecificationCAM:Machined Brass CageTFMaterialTF: Tough SteelNomenclatureInterchangePart Number InterchangeInterchangeShaker Screen SpecificationDurotect Bore CoatingStandard SeriesWide SeriesAllis Chalmers Oversized BorePTFE Coating On BoreUndersized Cedar 800C422336YMBW33W800C422338YMBW33W800C422340 YMBW33W45AW800C423322W33W800C423322 YM W800 BW33W22BRC4-22308 E/VA40522309 E/VA40522310 E/VA40522311 E/VA40522312 E/VA40522313 E/VA40522314 E/VA40522315 EJA/VA40522316 EJA/VA40522317 EJA/VA40522318 EJA/VA40522319 EJA/VA40522320 EJA/VA40522322 EJA/VA40522322 EJA/VA41422324 CCJA/W33VA40522326 CCJA/W33VA40522328 CCJA/W33VA40522330 CCJA/W33VA40522332 CCJA/W33VA40522334 CCJA/W33VA40522336 CCJA/W33VA40522338 CCJA/W33VA40522340 CCJA/W33VA405453322 EJA/VA405453324 CCJA/W33VA405453326 CCJA/W33VA405453328 CCJA/W33VA405453330 CCJA/W33VA405453332 CCJA/W33VA405453332 CCJA/W33VA414453338 CCJA/W33VA405453340 CCJA/W33VA40522308 EAS.MA.T41A22309 EAS.MA.T41A22310 EAS.MA.T41A22311 EAS.MA.T41A22312 EAS.MA.T41A22313 EAS.MA.T41A22314 EAS.MA.T41A22315 EAS.MA.T41A22316 EAS.MA.T41A22317 EAS.MA.T41A22318 EAS.MA.T41A22319 EAS.MA.T41A22320 EAS.MA.T41A22322 EAS.MA.T41A22322 EAS.MA.T41B22324 EAS.MA.T41A22326 EAS.MA.T41A22328 EAS.MA.T41A22330 EAS.MA.T41A22332 A.MA.T41A22334 A.MA.T41A22336 A.MA.T41A22338 A.MA.T41A22340 A.MA.T41A23322 AS.MA.T41A532689.C3.F8023324 AS.MA.T41A23326 AS.MA.T41A23328 AS.MA.T41A23330 A.MA.T41A23332 A.MA.T41A23332 EAS.MA.T41B23338ASMAC4F80-VE223233Sa, SbSa, SbW800223233W47W810VA405223 or 452453VA414VA406-T41AT41D223233T41B5XXX.F807

Metric Tapered Roller BearingsNomenclatureBore Size(04 and up: multiply last two numbersby 5 to get bore in mm)02: 12 mm08: 40 mm03: 17 mm10: 50 mm04: 20 mm20: 100 mmSpecial bore sizes are as follows:/22: 22 mm /32: 32 mm/28: 28 mmPrefixHR: High CapacityBlank: Normal CapacitySTFHRMaterial PrefixHTF:High ToughSTF: Super ToughWTF:Water ToughBlank: Standard eabilityJ: Cup Angle and RacewayDiameter Conform to ISO 355X: Dimension Series 32000 and32900 the Major DimensionsConform to ISO 355CJContact AngleBlank: Standard Angle 15 to 17 C: Medium Angle 17 to 24 D:Steep Angle 24 and iptionSuffixPart NumberHigh Capacity m, Steep AngleHR313xx313xx313xx313xxExtra Light, WideHR329xx329xx329xx329xxVery Light, WideHR320xx320xx320xx320xxLight, WideHR322xx322xx322xx322xxMedium, WideHR323xx323xx323xx323xxVery Light, Extra WideHR330xx330xx330xx330xxLight, Extra WideHR331xx331xx331xx331xxMedium, Extra WideHR332xx332xx332xx332xxMedium Contact AngleCBBBSteep Contact AngleDimension Series 32000 & 32900 major dimensions conformto ISO 355Cup Angle & Raceway Diameter conform to ISO 355D------XXXXJ----A*HR313xx is directly equal to HR303xxD.The competitive manufacturers are provided for a convenient source of unit substitution. They can be considered interchangeable in most instances, but for special applications, please contact NSK. NSK assumesno liability with respect to errors or omissions.8

Inch Tapered Roller BearingsNomenclaturePrefixEH: Extra HeavyEL: Extra LightH: HeavyHH: Heavier than HeavyHM: Heavy MediumL: LightLL: Lighter than LightLM: Light MediumM: MediumSTFLMMaterial PrefixHTF:High ToughSTF:Super ToughWTF:Water ToughBlank:Standard MaterialsAdditional Features*R: Conforms to ABMA StandardG: Case Carburized Cups & ConeBasic Series1-3 digit number that identifiesmaximum bore range119Code Included Cup Angle1 0to 23 59‘59.99“2 24 to 25 29‘59.99“3 25 30‘to 26 59‘59.99“4 27 to 28 29‘59.99“5 28 30‘to 30 29‘59.99“6 30 30‘to 32 29‘59.99“7 32 30‘to 35 59‘59.99“8 36 to 44 59‘59.99“9 4 5 up, but not thrust only* NSK uses these two standard suffixes.Either one or two letter suffixes may appear.49RDesign Number2 digits which identifythe cup or ra HeavyEHEHEHKEHHeavier Than HeavyHHHHHHKHHHeavyHHHKHHeavy MediumHMHMHMKHMMediumMMMKMLight MediumLMLMLMKLMLightLLLKLLighter Than LightLLLLLLKLLExtra LightCup AngleInterchangeELEL ELKEL0 To 23 59’59.991xxxx1xxxx1xxxx1xxxx24 To 25 29’59.992xxxx2xxxx2xxxx2xxxx25 30’ To 26 59’59.993xxxx3xxxx3xxxx3xxxx27 To 28 29’59.994xxxx4xxxx4xxxx4xxxx28 30’ To 30 29’59.995xxxx5xxxx5xxxx5xxxx30 30’ To 32 29’59.996xxxx6xxxx6xxxx6xxxx32 30’ To 35 59’59.997xxxx7xxxx7xxxx7xxxx36 To 44 59’59.998xxxx8xxxx8xxxx8xxxx45 Up, But Not Thrust Only9xxxx9xxxx9xxxx9xxxxConforms To ABMA StandardR--blank--Case Carburized Cup & ConeG--blank--The competitive manufacturers are provided for a convenient source of unit substitution. They can be considered interchangeable in most instances, but for special applications, please contact NSK. NSK assumesno liability with respect to errors or omissions.9

Ball Thrust BearingsNomenclatureBasic Type & Design51: Ball Thrust, Single Direction52: Ball Thrust, Double Direction53: Ball Thrust, Single Direction,with Aligning Seat54: Ball Thrust, Double Direction,with Aligning Seat532Bore Size(04 and up: multiply last twonumbers by 5 to get bore in mm)00: 10 mm04: 20 mm01: 12 mm05: 25 mm02: 15 mm12: 60 mm03: 17 mm20: 100 mm05Other FeaturesU: With Aligning Seat WasherX: Modified Boundary to ISOP5: Precision Class 5 (ABEC 5)MSeries1: Extra Light2: Light3: Medium4: HeavyUCage TypeBlank: SteelM:BrassInterchangeSuffixPart NumberDescriptionInterchangeNSKSKFFAGSingle Direction511xx511xx511xxSingle Direction512xx512xx512xxSingle Direction513xx513xx513xxSingle Direction514xx514xx514xxSingle Direction with Aligning Seat532xx532xx532xxSingle Direction with Aligning Seat533xx533xx533xxSingle Direction with Aligning Seat534xx534xx534xxDouble Direction522xx522xx522xxDouble Direction523xx523xx523xxDouble Direction524xx524xx524xxDouble Direction with Aligning Seat542xx542xx542xxDouble Direction with Aligning Seat543xx543xx543xxDouble Direction with Aligning Seat544xx544xx544xxSteel CageBLANKJFPBrass CageMMMPBoundary Dimensions Adopted to ISOX--XWith Self-Aligning Seat WasherUUUABEC 5 Precision ClassP5P5P5The competitive manufacturers are provided for a convenient source of unit substitution. They can be considered interchangeable in most instances, but for special applications,please contact NSK. NSK assumes no liability with respect to errors or omissions.10

Spherical Roller Thrust BearingsNomenclatureBasic Type & Design292xx: Spherical Roller Thrust, Light293xx: Spherical Roller Thrust, Medium294xx: Spherical Roller Thrust, Heavy293Cage TypeE: Pressed Steel*M: Machined Brass (not alwaysshown in the part number)26EBore Size(05 and up: multiply last twonumbers by 5 to get bore in mm)05: 25 mm48:240 mm20: 100 mm96:480 mm500 millimeters and larger written as:/500: 500 mm/710: 710 mm/630: 630 mm/1000: 1000 mm*The “E” designation has replaced the “H.” This is nomenclature change only, not a design change.InterchangePartSuffix eavy294xx294xx294xx294xxEMEJMEEMBEJEMSteel CageBrass CageThe competitive manufacturers are provided for a convenient source of unit substitution. They can be considered interchangeable in mostinstances, but for special applications, please contact NSK. NSK assumes no liability with respect to errors or omissions.11

Tapered Roller Thrust BearingsNomenclatureBore SizeMetric : exactInch: Rounded76: 76.2mm (3.0”)101: 101.6mm (4.0”)150: 150mm150Outer Diameter Size (Approximate)30: 300mm24: 245mm31: 311.15mm (12.5”)TTF30Basic TypeTT: Tapered Roller ThrustTTF: Tapered Roller Thrust Flat01Special MaterialG: Case HardenedG2: Outer Ring onlyG3: Inner Ring onlyG4: Rollers onlyGTolerance Type1st Digit 0-4: Metric Tolerance1st Digit 5-9: Inch Tolerance2nd Digit:Design Place HolderCylindrical Roller Thrust BearingsNomenclatureDimension Series11129394Bore Size30: 30 mm150: 150 mm300: 300 mm65TMPBasic TypeTMP: Cylindrical Roller Thrust1212P5Precision ClassBlank: NormalP6:Class 6P5:Class 5P5Precision ClassBlank: NormalP6:Class 6P5:Class 5

Pillow BlocksNomenclatureSAF:Two or Four Bolt Pillow Block,Cast IronSDAF: Four Bolt Heavy Duty Type PillowBlock, Cast IronSAFS: Two or Four Bolt Pillow Block,Cast SteelFSAF: Four Bolt Pillow Block, Cast Iron(optional)FSAFS: Four Bolt Pillow Block, Cast Steel(optional)SDAFS: Four Bolt Heavy Duty PillowBlock, Cast SteelSAF220xx: Housings use Tapered Bore SphericalRoller Bearings with Adapter Sleeves2xx: Housings use Straight Bore Self-AligningBall or Spherical Roller Bearings3xx: Housings use Straight Bore Self-AligningBall or Spherical Roller Bearings5xx: Housings use Tapered Bore Self-AligningBall or Spherical Roller Bearings withAdapter Sleeves6xx: Housings use Tapered Bore Self-AligningBall or Spherical Roller Bearings withAdapter Sleeves51722: 222xx or 223xx Spherical Roller Bearing2: 22xx or 23xx Self-Aligning Ball Bearing1: 12xx or 13xx Double-Row Self-AligningBall BearingKShaft size. Only used for Pillow Blockunits in 000 K Series11 - 1/2Indicated on adapter type mountingarrangement for 000 K Series.Example: SDAF23064K/11-1/213

Super Precision Angular Contact Ball e Size(04 and up: multiply last twonumbers by 5 to get bore in mm)00: 10 mm04: 20 mm01: 12 mm05: 25 mm02: 15 mm12: 60 mm03: 17 mm20: 100 mmPreload SymbolsL: LightM: MediumH: HeavyCage SymbolsTR: PhenolicTYN: PolyamideContact AngleC: 150A5: 250TRBall MaterialBlank: Steel BallSN24: Ceramic BallDULP4YCombination SymbolsPrecision Class:DU: Duplex UniversalSU: Single UniversalP4: ISO Class 4 (ABEC7)P4Y*: NSK Exclusive P4 AccuracyP3: Dimensions - ISO Class 4Running Accuracy : ISOClass 2P2: ISO Class 2 (ABEC9)*P4Y indicates special ID/OD tightertolerance for ease of matching sets.InterchangePart Number SuffixPart No.DescriptionInterchangeNSK*OLD NSKSKFFAGBARDENOLD BARDEN FAF/TIMKENSNFANTNUltra Light Series79XX79XX719XX719XX19XX-Extra Light EX/ESXLight Series72XX72XX72XX72XX2XX70XX2XX2XXWIE2/ES215 Contact AngleCCCDC72XXCBLANK2**125 Contact AngleA5A5ACDECE2**3**3ADPolyamide CageTYNTY--TMT-PRCPT2Phenolic CageTRTBLANKTT, TABLANKCRCT1SealsV1V-S**2RSD OR S**RRVV, PP-/S-Duplex UniversalDUDUDGDUDUDDUDUGD2Single UniversalSUSUGUU-SUUGExtra Light PreloadELEL----X-GLLight PreloadLLALLLLLGNMedium PreloadMMBMMMMMGMHeavy PreloadHHCHHHHH-Ceramic BallsSN24SN24HCHCB**C**-C**/NS5S**ABEC 7 PrecisionP4YP4P4AP4SBLANKBLANKMM/MMV**7P4ABEC 9 PrecisionP2P2PA9A, P9-ABEC 9ABEC 9MMX**9P2*TYN cage replaces TY, TR cage replaces T. Sealed (V1V) versions are a new option and P4Y tolerance specification replaces P4. P4Y tolerance specification has tighter bore and OD control than ABEC 7 (class 4 orP4). NSK supplies the following bearing series with P4Y tolerance: 7000; 7200.**Indicates prefix not suffix.The competitive manufacturers are provided for a convenient source of unit substitution. They can be considered interchangeable in most instances, but for special applications, please contact NSK. NSK assumesno liability with respect to errors or omissions.14

High Speed Super Precision Angular Contact Ball BearingsNomenclatureDimension Series10: ISO 10 Size19: ISO 19 SizeBearing BoreDiameter (mm)65BNRCage SymbolsTYN: PolyamideT:Phenolic10HBearing TypeBNR: 18o Contact Angle(Robust Series)BER: 25o Contact Angle(Robust Series)BGR: 15o Contact Angle(Robust Grinding Series)Preload SymbolsEL: Extra LightL: LightTDUMaterial SymbolX:SHX Steel Rings andCeramic BallsS:Steel Ball(Robust Series)H:Ceramic Ball(Robust Series)ELP4YCombination SymbolsPrecision Class:SU:DU:P4: ISO Class 4 (ABEC7)P4Y*: NSK Exclusive P4 AccuracyP3: Dimensions - ISO Class 4Running Accuracy : ISOClass 2P2: ISO Class 2 (ABEC9)Single UniversalDuplex Universal*P4Y indicates special ID/OD tightertolerance for ease of matching sets.InterchangePart No.DescriptionNSK*OLD NSKSKFBARDENFAF/TIMKENSNFANTNUltra Light Robust High Speed XHSB9XXExtra Light Robust High Speed SB0XXUltra Light Robust High Speed Series forGrinding SpindlesXXBGR19XXBNT19----BNT9XXExtra Light Robust High Speed Series forGrinding SpindlesXXBGR10XXBNT10-XXBX48--BNT0XXPolyamide CagePart Number SuffixInterchangeTYNTYBLANK, TNHTMTPRCPT2Phenolic CageTRT-T, TACRCT1Duplex UniversalDUDUDGDUDUDUDSingle UniversalSUSUGUSUUBLANKExtra Light PreloadELELA-X-GLLight PreloadLLBLLLGNCeramic BallsHSN24HCC**C**/NS5S**Steel BallsSBLANKBLANKBLANKBLANKBLANKBLANKABEC 7 PrecisionP4YP4P4BLANKMM/MMV**7P4ABEC 9 PrecisionP2P2P2ABEC 9MMX**9P2*BNR has replaced BNC series. P4Y tolerance specification replaces P4. P4Y tolerance specification has tighter bore and OD control than ABEC 7 (class 4 or P4). NSK supplies the following bearing series with P4Ytolerance: 7000; 7200; 7900; and BNR.** Indicates prefix not suffixThe competitive manufacturers are provided for a convenient source of unit substitution. They can be considered interchangeable in most instances, but for special applications, please contact NSK. NSK assumesno liability with respect to errors or omissions.15

Super Precision Angular Contact Thrust Ball BearingsNomenclatureDimension Series10: Arranged withNN30XX SeriesBearing BoreDiameter (mm)100BAR10RetainerTYN: Polyamide CageSBearing TypeBAR: 30o Contact AngleBTR: 40o Contact AnglePreloadL:Standard PreloadEL:Extra Light PreloadCPxx: Special PreloadCAxx: Special Axial ClearanceTYNDBMaterialS: Steel BallH: Ceramic BallLP4ACombinationPrecision ClassDB: Back to Back DuplexP4A:P2A:InterchangePartNo.DescriptionNSK*OLD NSKSKFNTN30 Angular Contact Thrust BearingsXXBAR10XXBA10BTMXXAHTA0XXA40 Angular Contact Thrust lic CageTRT-BLANKDuplex UniversalDUDUDBGD2Single UniversalSUSU-GExtra Light PreloadELEL--Light PreloadLLAGNCeramic BallsHSN24HC5S**Steel BallsSBLANKBLANKBLANKABEC 7 PrecisionP4AP4APCP4ABEC 9 PrecisionP2AP2APA9AP2Polyamide CagePart Number SuffixInterchange*BAR and BTR series have replaced BA and BT series.** Indicates prefix not suffixThe competitive manufacturers are provided for a convenient source of unit substitution. They can be considered interchangeable in most instances,but for special applications, please contact NSK. NSK assumes no liability with respect to errors or omissions.16ISO Class 4,O.D. is SpecialISO Class 2,O.D. is Special

Super Precision Cylindrical Roller BearingsDouble RowBearing TypeNN:Double Row CylindricalRoller Bearing withTriple-Ribbed Inner RingNNU: Double RowCylindricalRoller BearingDiameter Serieswith Triple-Ribbed9: Extra Light0: LightOuter RingNN30CageT:PolyamideTB: Roller GuidedPPS ResinMB: Roller GuidedMachined Brass17MBKRBore NumberBearing Bore Bore Number x5 (mm)Dimension Series1: Thin3: Medium4: WideLubrication HolesE44: Outer Ring withMachined LubrictionGroove and LubricationHolesBlank: No Lubrication HolesE44Precision ClassP4:P2:ISO Class 4 (ABEC7)ISO Class 2 (ABEC9)P4CCOTapered BoreRadial ClearanceKR:1/12 Tapered BoreBlank: Cylindrical BoreCC1:Standard Clearance forCylindrical BoreCCO:Standard Clearance forTapered BoreCCGxx*: Special Radial Clearance* Median clearance in micronsSingle RowBearing TypeN: Single RowCylindrical RollerBearing withDiameter SeriesDouble-Ribbed

Part Number Suffix Polyamide Cage TNG/TNH TN9 TVP, TVH -- PRB Steel Cage Blank Blank Blank Blank Blank 2 Contact Seals 2RS 2RS1 2RSR LLU PP 2 Shields 2Z 2Z 2ZR ZZ FF Tight Clearance C2 C2 C2 C2 H Normal Clearance Blank Blank Blank Blank R Greater than Normal Clearance C3 C3 C3 C3 P Interchange Nomenclature 32 10 Basic Type & Series