FEATURING NOMENCLATURE QUICK REFERENCE GUIDE

Transcription

NUMBERING SYSTEMQUICK REFERENCEGUIDEwww.ntn.caFEATURING NOMENCLATUREGUIDELINES FOR:MICRO BEARINGSRADIAL BALL BEARINGSANGULAR CONTACT BALL BEARINGSSELF-ALIGNING BALL BEARINGSCYLINDRICAL ROLLER BEARINGSTAPERED ROLLER BEARINGSSPHERICAL ROLLER BEARINGSBALL AND ROLLER THRUST BEARINGSMOUNTED BEARING UNITSULTRA-CLASS MOUNTED BEARING UNITSCORROSION RESISTANT BEARING UNITSSPHERICAL BEARING HOUSING UNITSPREFIX AND SUFFIX INTERCHANGEBEARING SERIES INTERCHANGE1502-NTN-QREF/E

NTN DISTRIBUTORTRAINING OPPORTUNITIESKeeping up with the latest information in bearing technology is crucial to the success ofyour operations. That's why NTN Bearing Corporation of America provides customers awide range of training and support options to educate your team with the most efficientand profitable bearing service techniques.However you source and use NTN bearing products, we can assist you with your bearingneeds with the tools, format, location, and pace that work best for your company. Contactyour regional NTN sales representative for more information or to schedule a trainingsession. Three days of in-depth instruction fromNTN engineers at our Canadian headquarters Includes:- Lectures & break-outs for general andhands on training-Tour of a manufacturing facility 6 module web-based product training Provides product and part number overview to helpnew people to the industry On-site, mobile training unitNTN Contact InformationUnited StatesTechnical Support: (800) 323-2358Customer Relations and Sales: (800) 323-2358CanadaTechnical Support: (800) 405-6720Customer Relations and Sales: (888) 412-4122

www.ntn.capg.1Table of ContentsMICRO BEARINGS.2RADIAL BALL BEARINGS.3ANGULAR CONTACT BALL BEARINGS. 4SNR ANGULAR CONTACT BALL BEARINGS.5SELF-ALIGNING BALL BEARINGS. 6CYLINDRICAL ROLLER BEARINGS. 7TAPERED ROLLER BEARINGS. 8SPHERICAL ROLLER BEARINGS.9BALL AND ROLLER THRUST BEARINGS. 10MOUNTED BEARING UNITS.11ULTRA-CLASS MOUNTED BEARING UNITS. 12CORROSION RESISTANT BEARING UNITS.13SPHERICAL HOUSED BEARING UNITS. 14PREFIX AND SUFFIX INDUSTRY INTERCHANGE. 15BEARING SERIES INDUSTRY INTERCHANGE.16

pg. 2Quick Reference GuideMicro BearingNumbering SystemPrefixF1. PREFIXNo Symbol:F:2. SERIES67, 68:69, 60:62, nLubricantFL 685 T2 ZZA C4 P51KSeriesCageHigh carbon chrome bearing steel(equivalent to AISI E52100)Martensitic stainless steel(equivalent to AISI 440C)Metric SeriesMetric SeriesMetric SeriesInch SeriesWider than standard width (sealed type)Non- standard sizesWider than standard width of inch series(open and sealed types)Flanged outer ringFlanged outer ring, provided non-standardflange dimensions3. CAGENo symbol:Pressed steel cageJ1:Pressed stainless steel cageT1:Phenolic resin cageT2:Nylon cageJR:Pressed steel (riveted)JS:Pressed steel (spot welded)JA:Pressed steel (bent finger)4. SEAL OR SHIELD*No symbol:Open typeZ, ZZ:Steel shield(s)ZA, ZZA:Removable steel shield(s)ZA1, ZZA1:Removable stainless steel shield(s)Z1, ZZ1:Stainless steel shield(s)LB, LLB:Non-contact rubber seal(s)LU, LLU:Contact rubber seal(s)SA, SSA:Non-contact nylon seal(s)*One letter signifies one shield or seal; two letters signifies two shields or sealsClearance5. INTERNAL CLEARANCENo symbol:Normal clearanceC2:Clearance less than normalC3:Clearance greater than normalC4:Clearance greater than C3C2S:Low group of C2 clearanceCNS:Low group of normal clearanceCNM:Medium group of normal clearanceCNL:High group of normal clearanceC3S:Low group of C3 clearanceC3M:Medium group of C3 clearanceC3L:High group of C3 clearance6. PRECISIONNo symbol:P6:P5:P4:P2:P5A:P4A:PS5:PS4:PX1:ISO class 0 (equivalent to ABEC 1)ISO class 6 (equivalent to ABEC 3)ISO class 5 (equivalent to ABEC 5)ISO class 4 (equivalent to ABEC 7)ISO class 2 (equivalent to ABEC 9)ISO class 5AISO class 4ANTN PS class 5NTN PS class 4Special Tolerance7. LUBRICANT1K:2AS:1E:6K:5C:5K:1W:L627:Kyodo Yushi Multemp PS No. 2Shell Alvania 2Exxon Andok CKluber Isoflex Super LDS18Chevron SRI2Kyodo Yushi Multemp DRLAnderson Oil Windsor Lube L245X (oil)Exxon Polyrex EM8. SPECIAL SPECIFICATIONV1 Vx:Special features from 1 onward (V1, V2,.)

www.ntn.capg. 3Radial Ball BearingNumbering SystemSeriesPrefixTypeInternal DesignBoreDiameter6 2 03CageRing ModificationChamferSeal/ShieldClearance PrecisionLubricantX1LLBC3 P52AS1. PREFIXNo Prefix:TS2:TS3:TS4:5S:Heat stabilized up to 250 F (120 C)Heat stabilized up to 320 F (160 C)Heat stabilized up to 390 F (200 C)Heat stabilized up to 480 F (250 C)Ceramic rolling elements2. TYPE6:8, WC8:BL:DE, DF:SC, SX:R:TMB:Single row deep groove ball bearingSingle row deep groove ball bearingMaximum capacitySpecial double row ball bearingSpecial single row ball bearingInch seriesLong life thermal mechanical bearing3. SERIES8:9:0:2:3:ISO 18 seriesISO 19 seriesISO 10 seriesISO 02 seriesISO 03 series4. BORE00:01:02:03:04 :10mm12mm15mm17mm# * 5 Bore diameter in mm (ex. 04 20 mm)5. INTERNAL DESIGNA:Internal design change, from A onwardU:Universal seal groove for open bearingsC:Capacity up bearings6. CHAMFERXn:Special chamfer, from 1 onward (X1, X2 )7. CAGENo Symbol:J:T1:T2:L1:JR:JA:Standard cagePressed steel cagePhenolic cageNylon cageMachined brass cagePressed steel (riveted)Pressed steel (bent finger)8. SEAL OR SHIELDNo Symbol:Open typeLB, LLB:Non-contact type rubber seal(s)LU, LLU:Contact type rubber seal(s)LH, LLH:Light contact rubber sealLUA, LLUA:Polyacrylic sealLUA1, LLUA1:Flurocarbon sealZ, ZZ:Steel shield(s)Z1, ZZ1:Stainless steel shield(s)ZA, ZZA:Removable steel shield(s)ZA1, ZZA1:Removable stainless steel shield(s)9. RING MODIFICATIONN:Snap ring groove on outer ring, without snapringNR:Snap ring groove on outer ring, snap ringincludedNRS:Snap ring and groove on opposite side/X.XX:Special dimension, XX.XX in mm(Ex. 5/16” bore /7.938)10. INTERNAL CLEARANCENo symbol:Normal clearanceC1:Clearance less than C2C2:Clearance less than normalC3:Clearance greater than normalC4:Clearance greater than C3C5:Clearance greater than C4C3L:Low group of C3 clearanceCSxx:Clearance special(xx is mean value 0.001 mm)11. PRECISIONNo symbol:ISO class 0 (equivalent to ABEC 1)P6:ISO class 6 (equivalent to ABEC 3)P5:ISO class 5 (equivalent to ABEC 5)P4:ISO class 4 (equivalent to ABEC 7)P2:ISO class 2 (equivalent to ABEC 9)PXn:Special radial tolerance from 1 onward(PX1, PX2,.)12. LUBRICANT2AS:2E:3AS:5C:L627:0G:Shell Alvania 2Exxon Unirex N3Shell Oil Alvania #3 greaseChevron SRI#2 grease (MIL-G-18709A)Exxon Polyrex EMNo grease

pg. 4Quick Reference GuideAngular Contact Ball BearingNumbering SystemSeriesPrefixTypeBoreDiameterAngle Chamfer Cage7 3 05 BHeat stabilized up to 250 F (120 C)Heat stabilized up to 320 F (160 C)Heat stabilized up to 390 F (200 C)Heat stabilized up to 480 F (250 C)Ceramic rolling elements2. TYPE3:5:7:BNT:BST:HSA:HSB:HSE:SF:DE, DF:Double row angular contact w/ filling slotDouble row angular contact w/o filling slotAngular contact ball bearingHigh speed angular contact bearingBall screw supportHigh speed angular contact bearingHigh speed angular contact bearingHigh speed angular contact bearingSpecial angle row angular contactSpecial double row angular contact3. SERIES8:9:0:2:3:ISO 18 seriesISO 19 seriesISO 10 seriesISO 02 seriesISO 03 series4. BORE00:01:02:03:10mm12mm15mm17mm# * 5 Bore diameter in mm (ex. 04 20 mm)5. CONTACT ANGLENo symbol:Contact angle 30 B:Contact angle 40 C:Contact angle 15 SpacerL1 DB 101. PREFIXNo Prefix:TS2:TS3:TS4:5S:04 :DuplexPreloadPrecisionGN P56. CHAMFERXn:Special chamfer, from 1 onward (X1, X2 )7. CAGENo Symbol:J:L1:T1:T2:Standard cagePressed steel cageMachined brass cagePhenolic cageNylon cage8. DUPLEX ARRANGEMENTDB:Duplex pair, back to back mountingDF:Duplex pair, face to face mountingDT:Duplex pair, tandem mountingG:Single bearing, flush ground, universalmountGD2:Pair of universally mountable bearings A:Spacer (A is nominal width of spacer in mm)9. PRELOADGL:GN:GM:GH:Gn:Light preloadNormal preloadMedium preloadHeavy preloadSpecial Preload10. PRECISIONP6:ISO class 6 (equivalent to ABEC 3)P5:ISO class 5 (equivalent to ABEC 5)P4:ISO class 4 (equivalent to ABEC 7)P2:ISO class 2 (equivalent to ABEC 9)PXn:Special precision, from 1 onward(PX1, PX2,.)

www.ntn.capg. 5Angular Contact Ball BearingNumbering System Diameter AngleCagePreloadPrecisionML E CH 7 19 12 C V U J7 4S1. PREFIXML:High speed range (small ball)2. SEALSE:Sealed bearing3. STYLECH:Hybrid bearing (ceramic balls)N:HNS bearing (stainless steel)4. TYPE7:Angular contact5. SERIES19:ISO 19 (equivalent to NTN 7900 series)0:ISO 102:ISO 026. BORE DIAMETER00:10mm01:12mm02:15mm03:17mm04 :# * 5 Bore diameter in mm (ex. 04 20 mm)7. CONTACT ANGLEC:Contact angle 15 (ML: 17 )H:Contact angle 25 (ML: 25 )8. CAGEV:G1:Phenolic cage - (Series 719-70)Phenolic cage - (Series 72)9. ARRANGEMENTU:Universal single bearingDU:Universal pairTU:Arrangement of 3 universal bearingsQU:Arrangement of 4 universal bearingsDB:Back to back pairDF:Face to face pairDT:Tandem pairQ16:Back to back pair with single tandemQ21:Two tandem sets back to backQ18:Three tandem with single back to backQ34:Back to back bearings with different contactanglesQ30:Back to back pair with single tandem10. PRELOADJ7:J8:J9:JX:J0:LightMediumHeavySpecialNo preload11. PRECISION4:ISO class 4 (equivalent to ABEC 7)4S:ISO class 4 (equivalent to ABEC 7) for MLand MLE2:ISO class 2 (equivalent to ABEC 9)

pg. 6Quick Reference GuideSelf-Aligning Ball BearingNumbering SystemTypeInternalSeries Bore Diameter Design1 2051. TYPE1:Standard self-aligning ball bearing2:Wide self-aligning ball bearing2. SERIES2:ISO 02 series3:ISO 03 series3. BORE00:10mm01:12mm02:15mm03:17mm04 :# * 5 Bore diameter in mm (ex. 04 20 mm)4. INTERNAL DESIGNS:Internal designRingCage Modification ClearanceK C35. CAGENo Symbol:J:T2:L1:Standard cagePressed steel cagePlastic cage, nylon or teflonMachined brass cage6. RING MODIFICATIONK:Tapered bore (1:12)7. INTERNAL CLEARANCENo symbol:Normal clearanceC1:Clearance less than C2C2:Clearance less than normalC3:Clearance greater than normalC4:Clearance greater than C3C5:Clearance greater than C4CSxx:Clearance special(xx is mean value 0.001 mm)

www.ntn.capg. 7Cylindrical Roller BearingNumbering SystemPrefix1. PREFIXNo Prefix:TS2:TS3:TS4:Bore InternalSeries Diameter Design ChamferCage Clearance PrecisionNU 2 04 E X1C3 P5TypeHeat stabilized up to 250 F (120 C)Heat stabilized up to 320 F (160 C)Heat stabilized up to 390 F (200 C)Heat stabilized up to 480 F (250 C)2. TYPEN:Straight outer ring w/inner ring and rollerassemblyNU:Straight inner ring w/outer ring and rollerassemblyNF:One lip outer ring w/inner ring and rollerassemblyNJ:One lip inner ring w/outer ring and rollerassemblyNH:NJ series bearing w/HJ thrust collar(NJ HJ NH)NN:Double row cylindrical roller bearingHJ:Separate thrust collarR, RN, RNU:Special cylindrical roller bearingNUP:Non-separable ring and roller assembly3. SERIES10:2:22:23:3:4:ISO 10 SeriesISO 02 SeriesWide ISO 02 SeriesWide ISO 03 SeriesISO 03 SeriesISO 04 Series4. BORE00:01:02:03:04 :10mm12mm15mm17mm# * 5 Bore diameter in mm (ex. 04 20 mm)5. INTERNAL DESIGNE:High capacity CRB6. CHAMFERXn:Special chamfer, from 1 onward (X1, X2 )7. CAGENo symbol:F1:J:G1:L1:T2:T2X:Standard cageMachined steel cagePressed steel cageMachined brass cageMachined brass cageNylon cageNylon cage8. INTERNAL CLEARANCENo symbol:Normal clearanceNA:Radial clearance of cylindrical roller bearingwith non-interchangable componentsC1:Clearance less than C2C2:Clearance less than normalC3:Clearance greater than normalC4:Clearance greater than C3C5:Clearance greater than C4CSxx:Clearance special(xx is mean value 0.001 mm)9. PRECISIONNo symbol:P6:P5:P4:P2:PXn:UP:ISO class 0 (equivalent to ABEC 1)ISO class 6 (equivalent to ABEC 3)ISO class 5 (equivalent to ABEC 5)ISO class 4 (equivalent to ABEC 7)ISO class 2 (equivalent to ABEC 9)Special precision, from 1 onward(PX1, PX2, .)Ultra High Precision

pg. 8Quick Reference GuideTapered Roller BearingNumbering SystemInch SeriesPrefix4TSeriesBasic NumberSuffixLM 11949ISO (Metric) SeriesPrefixBasic Number4T323061. PREFIXET:NTN Endurance taper roller bearing, case hardened4T:NTN 4-Top tapered roller bearing, case hardenedE:Case hardened steelT:Internationally interchangeable dimensions2. SERIESHH:Heavier than heavyH:HeavyHM:Heavy-mediumM:MediumLM:Light mediumL:LightJ:J-metric series (ex: 4T-JM736110)Suffix3. SUFFIXA:Different bore, OD, width or radius from basic pnD:Denotes double ring (inch series only)L:SealPK:Class K for J metricPXn:Special tolerance from 1 onward (PX1, PX2,.)S:Different bore, OD, width or radius from basic pnU:ISO series, internationally interchangeable throughhardened steelW:Slot or keywayX:Different bore, OD, width or radius from basic pn-3:AFBMA class 3-0:AFBMA class 0-00:AFBMA class 00

www.ntn.capg. 9Spherical Roller BearingNumbering rance PrecisionDiameter Design Cage222 20 E1. PREFIXTS2:TS3:TS4:MX:Heat stabilized up to 320 F (160 C)Heat stabilized up to 390 F (200 C)Heat stabilized up to 480 F (250 C)All components phosphate coated2. SERIES213:222, 223:230, 231:232, 239:240, 241:W:Standard series spherical roller bearingStandard series spherical roller bearingStandard series spherical roller bearingStandard series spherical roller bearingStandard series spherical roller bearingWide series spherical w/integral seals3. BORE00:01:02:03:04 :10mm12mm15mm17mm# * 5 Bore diameter in mm (ex. 04 20 mm)4. INTERNAL DESIGNB:One pc ribbed inner ring, asymmetricalroller, center guide ribUA:Inner ring w/o center guide, asymmetricalrollers & outer ring center guided retainer(limited thrust capabilities)E:High capacity spherical roller bearing(stabilized to 200 ̊ C)5. CAGENo Symbol:A:J:L1:M:T2:G15:Standard cagePressed steel cage (E Type)Pressed steel cageMachined brass cageMachined brass cage (E Type)Nylon cageNylon cage (E Type)C3 P56. SEALSLL:Two integral garter seals w/steel backingplate7. RING MODIFICATIOND1:Oil groove and holesW33:Oil groove and holesK:Tapered bore (1:12)K30:Tapered Bore (1:30) (240, 241 series)8. INTERNAL CLEARANCENo symbol:Normal clearanceC1:Clearance less than C2C2:Clearance less than normalC3:Clearance greater than normalC4:Clearance greater than C3C5:Clearance greater than C4CSxx:Clearance special(xx is mean value 0.001 mm)9. PRECISIONNo symbol:ISO class 0 (equivalent to ABEC 1)PXn:Special precision, from 1 onward(PX1, PX2, .)Vn:Special requirement, from 1 onward(V1, V2,.)VS1 or F801:Special tolerance for shaker screen bearing(C3 clearance)VS2 or F800:Special tolerance for shaker screen bearing(C4 clearance)F802:Special tolerance for shaker screen bearing(C0 clearance)

pg.10Quick Reference GuideBall and Roller Thrust BearingNumbering SystemTypeSeriesBoreDiameterInternalDesign Cage51 3 161. TYPE51, 53*: Single direction thrust ball bearing52, 54*: Double direction thrust ball bearing56:Angular contact thrust bearing292:Spherical thrust roller bearing293:Spherical thrust roller bearing294:Spherical thrust roller bearing29:Single direction thrust ball bearing9:Single direction thrust ball bearing*Self-aligning outside diameter2. SERIES8:ISO 18 series9:ISO 19 series0:ISO 10 series2:ISO 02 series3:ISO 03 series3. BORE00:10mm01:12mm02:15mm03:17mm04 :# * 5 Bore diameter in mm (ex. 04 20 mm)4. INTERNAL DESIGNE:Internal design, not interchangeable withstandard series.U:Misaligning ring included (type 53 and 54only)5. CAGENo Symbol:J:L1:T2:Standard cagePressed steel cageMachined brass cageNylon cage

www.ntn.capg.11Mounted Bearing UnitNumbering SystemInch L PL 2 04Suffix012 D1ISO (Metric) SuffixUEL PL 2 04 D11. PREFIXF:StainlessA:Lube on non-locking mechanism sideC:Open cover (Cast iron)CM:Closed cover (Cast iron)2. BEARING INSERTS*AEL:Narrow inner ring, locking collarAR:Narrow inner ring, set screw typeAS:Narrow inner ring, set screw typeJEL:Narrow inner ring, eccentric locking collarREL:Wide inner ring, eccentric locking collarUR:Wide inner ring, set screw typeUC:Wide inner ring, set screw type w/flingerUEL:Wide inner ring, locking collar w/flingerUK:Tapered bore, w/ flinger*For cylindrical OD, add “S” to pn (ex: JELS)3. HOUSINGF:Flanged unit, cast 4-bolt square housingFA:Flanged unit, cast rhombus housingFC:Flange piloted unit, cast, round housingFD:Flanged unit, cast, short 2-bolt housingFH:Flanged unit, cast housingFL:Flanged unit, cast, 2-bolt housingFS:Flanged piloted unit, cast, 4-bolt square housingFU:Flanged unit, cast, 4-bolt square bearingPF:Flanged unit, pressed steel, 3-bolt round housingPFL:Flanged unit, pressed steel, 2-bolt housingRPF:Flanged unit, pressed steel w/rubber ring, 3-bolt roundhousingHP:Pillow block, cast housing, high center height3. HOUSING (CONT.)P:Pillow block, cast housingPL:Pillow block, cast housing, low center heightPP:Pillow block, pressed steel housingRPP:Pillow block, pressed steel housing w/rubber ringUP:Pillow block, cast housing, tapped baseC:Cylindrical cartridge unitHB:Hanger unit, cast housingPT:Mini stretcherT:Take-up unit, cast housing4. SERIES2:LightX:Medium3:Heavy5. BORE00:10mm01:12mm02:15mm03:17mm04 :# * 5 Bore diameter in mm (ex. 04 20 mm)Xnn:Number of 1/16” (ex: 115 1.15/16”)6. SUFFIXD1:Relube typeW3:Cup point set screwN:Snap ring grooveNR:Snap ring and grooveR:Meets ISO seriesHT1D1: Heat stabilized up to 284 FHT2D1: Heat stabilized up to 392 F (200 C)CT1:Cold stabilized down to -76 F

pg.12Quick Reference GuideUltra-ClassTM Mounted Bearing UnitNumbering SystemInsert BearingDutyHousing SeriesUEL1. BEARING INSERTSAR:Narrow inner ring, set screw typeJEL:Narrow inner ring, locking collarUC:Wide inner ring, set screw type w/flingerUEL:Wide inner ring, locking collar w/flinger2. HOUSINGFLU:FU:P:PL:Flanged unit, cast, 2-bolt housingFlanged unit, cast, 4-bolt square bearingPillow block, cast housingPillow block, cast housing, low center height3. DUTY SERIESNo symbol:Standard duty (equivalent to 2 series)X:Medium duty (equivalent to X series)BoreDiameterSuffix3/4 M4. BORE DIAMETERX.X/X: Bore diameter in fraction5. SUFFIXM:Black oxide coatingFG1:Food grade solid lube, no relube feature includedLP03: Standard solid lubeLP09: Food grade solid lube

www.ntn.capg.13Corrosion Resistant Bearing UnitNumbering System (NTN-SNR)MaterialInsert TypeS UCHousingPA 2081. MATERIALS:Stainless steelZ:Zinc plated (insert only)M:Stainless steel (insert only)2. INSERT TYPEUC:Wide inner ring, set screw type w/flingerUEL:Wide inner ring, locking collar, w/flinger3. HOUSINGP:Pillow blockPA:Tapped base pillow block, cast housingPL:Pillow block, cast housing, low center heightPPL:Pillow block, thermoplastic housing*FL:Two bolt flange, cast housingNFL:Two bolt flange, thermoplastic housing*FBL:Three bolt flange, thermoplastic housing*F:Four bolt flange, cast housingFPL:Four bolt flange, thermoplastic housing*T:Take up unit, cast housing*These housings can only be used with “M” or “Z” inserts.All other units are only used with “S” inserts.SizeBore DiameterSuffix24CC4. Size2xx:Base housing and bearing size5. BORE DIAMETERX:Bore diameter in 16ths of an inch (ex: 24/16 1.5”)6. SUFFIXCC:Closed Cover (one closed and one open cover)CO:Open Cover (two open covers)FG1:Food grade solid lube, no relube feature includedN:Machined face to accept end covers

pg.14Quick Reference GuideSpherical Housed Bearing UnitNumbering SystemInch SeriesPrefixCHousing SeriesSizeSPAW 22 11Bore DiameterSuffix115N1ISO (Metric) SeriesPrefixHousing SeriesCSPW1. PREFIXC:Taconite service seals with open coversCM:Taconite service seal with closed cover2. HOUSING SERIESSP:Sealed metric spherical pillow block(inch or metric shaft)SPA:Sealed inch spherical pillow block(inch or metric shaft)SFC:Sealed metric spherical, flanged block(inch or metric shaft)SAF:Split pillow block, cast iron housing(inch bore shaft)SAFS: Split pillow block, cast steel housing(inch bore shaft)FSAF: Split pillow block, cast iron, 4 bolt baseFSPA: Sealed pillow block, inch, 4 bolt baseSizeBoreDiameter22 11SuffixN13. BEARINGW222: Sealed, wide spherical roller bearing4. BORE DIAMETERXnn:Number of 1/16” (ex: 115 1.15/16”)04 :# * 5 Bore diameter in mm (ex. 04 20 mm)5. SUFFIXN1:Ductile cast iron housingF:Solid baseG:One stabilizing ring included(when ordering housing only)

www.ntn.capg.15Prefix & Suffix suresOne Non-Contact SealLBRZRSDN/AVLBTwo Non-Contact SealsLLB2RZ2RSDN/AVVLLBOne Contact SealLURS1RSRPDULUTwo Contact SealsLLU2RS12RSRPPDDULLUZZZDZZOne ShieldTwo ShieldsZZ2Z2ZDDZZZZOne Snap RingNRNRNRGNRNRABEC 3P6P6P6M*PA3P6ABEC 5P5P5P5V*P5, PA5P5ABEC 7P4P4P4MM*P4, PA7P4ABEC 9P2PA9AP2MMX*P2, PA7P2CCC2*CCHAC, ACDE3*A5HPrecision ClassesContact Angles̊1525 ̊30̊NO SYMAN/AN/ANO SYMNO SYM40̊BBBWNBBPreloadGLG0UOUXC2GLLightExtra LightGN, J74GAULULL, C7GN, J74MediumGM, J84GBUMUMM, C8GM, J84HeavyGH, J94GC-UHH, C9GH, J94PhenolicT1TPTA, TB, TH, TPCRTT1Pressed BrassYYMPNO SYMYYPolyamideT2TN, PTNPRB/PRCTYT2BronzeL1MM, MPMBRCAM, ML1NylonT2TN9T, TVCFTYT2JJJC, CDWJG, UG**USUGG, UCagePressed SteelDuplexUniversal GroundSpherical FeaturesTaper BoreKKKKKKOil GrooveW33, D1W33SW33E4W33, D1UAVS, EF800,EMADIVSCACM2/W502F80W800U15-VSUAVS, EF800,EMADIVSShaker ScreensBall Bearing Contact Seal Design Features:- Dual lip design- As one lip wears, the secondary lip makes contact- Longer seal life- Tighter contact pressure- Available in various higher temp materials- Available in low torque design- Most competitors use a single lip design* Prefix** Old Nomenclature; New CA, CB, CC, GA, GB, GC

pg.16Quick Reference GuideBearing Series RU0NUNUNFNFN/E000RF0NFNFNJNJNJ000RJ0NJNJNHNHNJ & HJN/ANHNHNNNNNNN/ANNNNREE OR RRSRRBall BearingsMax 300300300300WBL300BL30078007180071800--78007900 (71900)71900719002MM9300WI79007900 ngular ContactSphericals

NTN’s DOLDOL (Distributor On-Line) isyour one-stop e-shopDOL is so much more than just an online ordering site.Available when and where you need it, consider it tobe your personalized NTN store – complete with youraccount-specific pricing, ordering templates, customerservice contact information, order tracking, and fullvisibility into NTN’s aftermarket inventory. And it’s alleasily accessible and manageable from your computeror mobile device.Place orders easierControl and track ordersCreate an order with the Order Pad function, or uploadSelect the best method of shipping for each order, controla spreadsheet with the products you need using Orderrequest dates and shipping schedules, and view your account’s salesUploader, or manage your Shopping Cart (or multiple carts!) to createhistory. Plus, see when an order was shipped, what location it wasan ongoing Stocking Order template. Once a part is selected, theshipped from, and when it is expected to arrive.LIVE inventory availability, customer-specific pricing, and desiredpackaging options are shown in the Shopping Cart. With the multipleshopping cart feature, you can have more than one order open ata time – and you can name each order so you can keep your ordersstraight. This helps you manage heavy customer loads so you can stillanswer the phone, take new orders, or handle any last minute taskswhile keeping all your current orders straight.Multiple Look Ups“Build a Bearing” functionKnow the dimensions of the part you need but not the part number?This feature lets you enter the information that you do have and thengenerates a part that fits your description.Quickly connect with your customer service representativeOn DOL, your account-specific Sales and Customer Servicerepresentatives contact information is easily accessible.Users can look up parts by NTN part number, by competitive partnumber or OE part number. The Autocorrect function helps direct toStay up-to-datethe correct number needed. Also, users can find the correct part byBe the first to know about promotional pricing, new productentering dimensions and specification in the Build-A-Bearingintroductions, and product updates.function.Register to get set up on DOL today!If you are an authorized NTN distributor, go online to www.ntn.ca and click on the “Contact Us” link at the topof the page and complete the brief form. Then, your user name and password will be emailed to you.

NTN BEARING CORPORATION OF CANADA305 Courtneypark Drive West, Mississauga, Ontario L5W1Y4 905.564.2700NTN Bearing Corporation of America 2015 All rights reserved.www.ntn.ca1502-NTN-QREF

Prefix Seals Bore Diameter Style Type Series Angle Cage Preload Precision Arrangement 1. PREFIX ML: High speed range (small ball) 2. SEALS E: Sealed bearing 3. STYLE CH: Hybrid bearing (ceramic balls) N: HNS bearing (stainless steel) 4. TYPE 7: Angular contact 5. SERIES 19: ISO 19 (equiv