Precision Miniature and Instrument Bearings

1 MINIATUREBEARINGSP recision Miniature and Instrument BearingsNATIONAL Precision bearing Section 1 Part Numbering System ..1-2 & 1-3 Section 2 Interchange Chart ..2-1 & 2-2 Section 3 Basic Dimension Data ..3-1 & 3-2 Section 4 - INCH SERIESR adial Open Bearings ..4-2 Radial Shielded Bearings ..4-3 Radial Flanged Open Bearings ..4-4 Radial Flanged Shielded Bearings ..4-5 Extended Inner Ring Radial Open Unflanged & Flanged Bearings ..4-6 Extended Inner Ring Radial Shielded Unflanged & Flanged Bearings ..4-7 Tapered O .D . Radial Flanged Shielded Bearings ..4-8 Section 5 - METRIC BEARINGSL SERIESR adial Open Unflanged & Flanged Bearings .

2 5-2 Radial Shielded Unflanged & Flanged Bearings ..5-3R SERIESR adial Open Unflanged & Flanged Bearings ..5-4 Radial Shielded Unflanged & Flanged Bearings ..5-5 Section 6 - SPECIALTY PRODUCTSR adial Hi-Speed Specialty Bearings ..6-2 & 6-3 Angular Contact Hi-Speed Specialty Bearings ..6-4 Modified Dimension Radial Open Unflanged & Flanged Bearings ..6-5 Modified Dimension Radial Shielded Unflanged & Flanged Bearings ..6-6 & 6-7 Section 7 - ENGINEERINGT echnical Information ..7-2 & 7-3 Shield and Seal Types ..7- 4 Dimensional Control ..7-5 Lubrication ..7- 6 Table of Recommended Fits & Shoulder Diameters ..7- 7 Warranty, Errors & OmissionsNational Precision bearing Group of Mechatronics, Inc. assumes no responsibility for errors or omissions in this catalog. National Precision bearing Group reserves the right to change information or specifications without notice. Application and use of this product is the sole responsibility of the user, however our engineering personnel will advise you of guidelines for the proper parameters of use of the product.

3 National Precision bearing Group warrants the product to be free from defects in materials and workmanship only. Sellers only obligation hereunder is to either repair or replace the defective product or work within 12 months of product delivery to our custom-ers. No other warranties are expressed or implied in fact or by law. National Precision bearing Group is not liable for associated costs of work done by the buyer involving our product, or altered Precision bearing is a division of Mechatronics, 2007 National Precision BearingEmail inquiries to: our online catalogs at: call us at: 800-426-8038 MINIATUREBEARINGSP recision Miniature and Instrument Bearings P R E C I S I O N M I N I A T U R E B E A R I N G St mb i g st c n h tBasic Dimension Data3-13-2 Part Numbering System1-21-3 Interchange Chart2-12-2 Basic Dimension Data3-13-21-12 Interchange Chart6 SpecialtyProducts4 Inch Series3 BasicDimension Data1 Part Numbering System5 Metric Bearings7 Engineering1-2 GROUP 1 MATERIALSSSS= AISI stainless steel(440C)No Code= Chrome alloysteel (52100)SE= AISI stainless steelrings (440C) with ceramicballsDD = NMB 400 Seriesmartensitic stainless steelS= 400 Series martensiticstainless steel (Std.)

4 Ref.)DS = 400 Series highperformance stainlesssteel and 440C ballsGROUP 2 TYPERI-RI, R, L= RadialRIF, RF, LF= FlangedradialF= Flanged, tapered , MBR, MBL= Innerring relieved andseparableMBRIF, MBRF, MBLF=Inner ring relieved andseparable, flanged outerringMDRI, MDR, MDL= Innerring relieved and non-separableMDRIF, MDRF, MDLF=inner ring relieved andnon-separable, flangedouter ringMERI, MER, MEL= Outerring relieved and non-separableMERIF, MERF, MELF=Outer ring relieved,flanged and non-separableMBF= Inner ring relievedand separable, outer ringflanged and taperedMDF= Inner ring relievedand non-separable, outerring flanged and 3 BASIC SIZE418 Inch SeriesFirst one or two digitsindicates in 16ths ofan inch. The following twoor three digits indicate thebore size in a fraction ofan inch, the first digitbeing the numerator andthe second or the secondand third digits being SeriesFirst two digits in mm.

5 Second twodigits indicate in (following basic size)Indicates special internaldesign, assigned innumerical : X1, X2, 4 SEALS &SHIELDSZZE nclosuresZ= Single metallic shield-removableZZ= Double metallicshield-removableZO= Single shield on sideopposite flangeD= Single rubber sealDD= Double rubber seal2RS= Two rubber sealsD1= Single Viton sealDD1= Double Viton sealL= Single glass-reinforced PTFE sealLL= Double glass-reinforced PTFE sealLO= Single seal on sideopposite flangeLZ= Glass reinforced PTFE seal and shield with sealon flange sideZL= Shield and glassreinforced PTFE seal withshield on flange sideH= Single metallic shieldnon-removableHH= Double metallicshield non-removableK= Single metallic shieldnon-removableKK= Double metallicshield non-removableS= Single rubber seal,non-contactSS= Double rubber seal,non-contactGROUP 5 MODIFICATIONSE xtended Inner RingEE= Both sidesE= One sideSpecial ExternalDimensionA_ _= Larger thanstandard Semi-standard.

6 Largerwidth and bearingA_ _ _ _= Larger standard and specialwidthW= Wider than standardwidthY= Narrower thanstandard widthN= Larger or smaller borethan standardSpecial DesignSD= Special designbearingNote:Radial Load Ratings shown are for 52100 chrome is a Trademark of NMB is a Trademark of the NHBB is a Registered Trademark of Dupont PART NUMBERADDITIONAL SPECIFICATIONS1-3 GROUP 6 PREMIUMFEATURESMC= Premium ball & racefinish for specificapplicationsMT= Noiseless motorqualityGROUP 7 CAGEHCR= Ribbon PTFE coatedF= Full ball complementH= Crown, land pilotedJ= Crown, acetalKB= Crown phenolic,paper baseKC= Crown phenolic, linenbaseKF= Crown phenolic, linen,non keyhole type, outerland pilotingKG= Crown phenolic,paper base, outer landpilotedKM= Full type, phenolic,linen baseKN= Full type, phenolic,paper baseM4= Full type, polyimideM5= Crown, polyimideR= Ribbon, land pilotedRD= Ribbon, ball pilotedSF= Composite metalpolymer retainer silver T1= Crown, specialtymaterialGROUP 8 ABECTOLERANCEA5A1= ABEC 1*A3= ABEC 3, 3PA5= ABEC 5, 5P, 5TA7= ABEC 7, 7P, 7TA9= ABEC 9, 9 PNote.

7 Selected ABEC 9tolerances are availableon all sizes. Please consultNPB.* A1 Miniature and instrumentbearings of both the metric andinch configurations meet thetolerances of ABMA Standard20 for ABEC 1 metric seriesbearingsGROUP 9 RADIALPLAYP25P= Followed by two,three, or four numbersindicates the radial playlimits in ten thousandthsof an : P25 indicatesradial play of .0002 .GROUP 10 TORQUET= Followed by a numberthat indicates maximumstarting torque inhundreds of mg. : T15 indicates amaximum starting torqueof 1500 mg. Followed by anumber that indicatesmaximum running torquein hundreds of mg. : RT15 indicatesa maximum runningtorque of 1500 mg. 11 LUBRICANTLO2 Lubricant letter codes arefollowed by a number toindicate specific Following lubricantcode indicates barriercoatingLB= Mixture of oil andsolventLD= Dry, no lubricantLF= Dry filmLG= GreasesLM= Mixture of oil andgreaseLO= OilsLY= Expanded list of oilsand greasesGrease Plate Code(follows lubricant code)GPL= LightGPM= MediumGPH= Heavy2-1 This chart is intended as a reference only.

8 The users should consult with the listed manufacturers catalogs to establish dimensional interchangeability. Ball complementsand load ratings may differ although dimensionally equivalent. NPB cannot be held responsible for any errors contained NHBBBARDENRMBSSRI2 DDRI2S2 CUL1304 XSR09SR09SS1016 SSRI2 1/2 DDRI2 1/2S2 1/2 CUL1505 XSR0SR0SS1191 SSRI2 1/2 ZZDDRI2 1/2 ZZS2 1/2 CHHULZ1505 XSR0 SSSR0 PPSS1191-2 ZSSRI3 DDRI3S3CR1706 XSR1SR1SS1397 SSRI3 ZZDDRI3 ZZS3 CHHRF1706 XSR1 SSSR1 PPSS1397-2 ZSSRI4 DDRI4S4CR2508 XSR1-4SR1-4SS5/64 SSRI4 ZZDDRI4 ZZS4 CHHRF2508 XSR1-4 SSSR1-4 PPSS5/64-2 ZSSRI3332 DDRI3332S3332 CUL3006 XSR133SR133SS2380 SSRI3332 ZZDDRI3332 ZZS3332 CHHULZ3006 XSR133 SSSR133 PPSS2380-2 ZSSRI5 DDRI5S5CR3010 XSR1-5SR1-5SS3/32 SSRI5 ZZDDRI5 ZZS5 CHHRF3010 XSR1-5 SSSR1-5 PPSS3/32-2 ZSSRI418 DDRI418S418 CUL4008 XSR144SR144SS3175 SSRI418 ZZDDRI418 ZZS418 CHHULZ4008 XSR144 SSSR144 PPSS3175-2 ZSSRI518 DDRI518S518CR4010 XSR2-5SR2-5SS1/8 ASSRI518 ZZDDRI518 ZZS518 CHHRF4010 XSR2-5 SSSR2-5 PPSS1/8A-2 ZSSRI618 DDRI618S618 CSR2-6SR2-6SS1/8A/6 SSRI618 ZZDDRI618 ZZS618

9 CHHSR2-6 SSSR2-6 PPSS1/8A/6-2 ZSSR2 DDR2SR2CR4012 XSR2SR2SS1/8 BSSR2 ZZDDR2 ZZSR2 CHHRF4012 XSR2 SSSR2 PPSS1/8B-2 ZSSR2 ADDR2 ASR2 ACSR2 ASR2 ASS1/8B/083 SSR2 ZZADDR2 ZZASR2 ACHHSR2 ASSSR2 APPSS1/S/8B/083-2 ZSSRI5532 DDRI5532S5532 CUL5010 XSR155SR155SS3967 SSRI5532 ZZDDRI5532 ZZS5532 CHHULZ5010 ZSR155 SSSR155 PPSS3967-2 ZSSRI5632 DDRI5632S5632 CUL6010 XSR156SR156SS4763 ASSRI5632 ZZDDRI5632 ZZS5632 CHHULZ6010 XSR156 SSSR156 PPSS4763A-2 ZSSRI6632 DDRI6632S6316 CUL6012 XSR166SR166SS4763 BSSRI6632 ZZDDRI6632 ZZS6316 CHHULZ6012 XSR166 SSSR166 PPSS4763B-2 ZSSR3 DDR3SR3RR6016 XSR3SR3SS3/16 SSR3 ZZDDR3 ZZSR3 RHHRF6016 XSR3 SSSR3 PPSS3/16-2 ZSSRI614 DDRI614S614 CUL8012 XSR168SR168SS6350 ASSRI614 ZZDDRI614 ZZS614 CHHULZ8012 XSR168 SSSR168 PPSS6350A-2 ZSSRI814 DDRI814S814 CUL8016 XSR188SR188SS6350 BSSRI814 ZZDDRI814 ZZS814 CHHULZ8016 XSR188 SSSR188 PPSS6350B-2 ZSSR4 DDR4SR4CR8020 XSR4SR4SS1/4 ASSR4 ZZDDR4 ZZSR4 CHHRF8020 XSR4 SSSR4 PPSS1/4A-2 ZSSRI1214 DDRI1214SR4 ARSR4 ASR4 ASS1/4 SSRI1214 ZZDDRI1214 ZZSR4 ARHHSR4 ASSSR4 APPDSS1/4-2 ZSSRI8516 DDRI8516S8516 RUL10016 XSR1810SR1810SS7938 SSRI8516 ZZDDRI8516 ZZS8516 RHHULZ10016 XSR1810 SSSR1810 PPSS7938-2 ZSSRI1438 DDRI1438SR6RR12028 XSR6SR6SS3/8 SSRI1438 ZZDDRI1438 ZZSR6 RHHRZ12028 XSR6 SSSR6 PPDSS3/8-2 ZSSRI1812 DDRI1812SR8 RSR8SR8SS1/2 SSRI1812 ZZDDRI1812 ZZSR8 RHHSR8 SSSR8 PPDSS1/2-2 ZSSRI1212 DDRI1212S812 SR1216SR824 NHBBP R E C I S I O N M I N I A T U R E B E A R I N G : : chart is intended as a reference only.

10 The users should consult with the listed manufacturers catalogs to establish dimensional interchangeability. Ball complementsand load ratings may differ although dimensionally equivalent. NPB cannot be held responsible for any errors contained NHBBBARDENRMBSSRI1212 ZZDDRI1212 ZZS812 CHHSR1216 SSSR824 PPSSRI1458 DDRI1458S1014SR1420SR1028 SSRI1458 ZZDDRI1458 ZZS1014 CHHSR1420 SSSR1028 PPSSRI1412 DDRI1412SR6-5 SSRI1412 ZZDDRI1412ZZ SR6-5 PPSSRI1634 DDRI1634S1216SR1624SR1232 SSRI1634 ZZDDRI1634 ZZS1216 CHHSR1624 SSSR1232PP SSRIF2 DDRIF2S2 FCULK1304 XSFR09 SFR09 SSRIF2 1/2 DDRIF2 1/2S2 1/2 FCULK1505 XSFR0 SFR0 SSF1191 SSRIF2 1/2 ZZDDRIF2 1/2 ZZS2 1/2 FCHHULKZ1505 XSFR0 SSSFR0 PPSSF1191-2 ZSSRIF3 DDRIF3S3 FCRK1706 XSFR1 SFR1 SSF1397 SSRIF3 ZZDDRIF3 ZZS3 FCHHRKF1706 XSFR1 SSSFR1 PPSSF1397-2 ZSSRIF4 DDRIF4S4 FCRK2508 XSFR1-4 SFR1-4 SSF5/64 SSRIF4 ZZDDRIF4 ZZS4 FCHHRKF2508 XSFR1-4 SSSFR1-4 PPSSF5/64-2 ZSSRIF3332 DDRIF3332S3332 FCULK3006 XSFR133 SFR133 SSF2380 SSRIF3332 ZZDDRIF3332 ZZS3332 FCHHULKZ3006 XSFR133 SSSFR133 PPSSF2380-2 ZSSRIF5 DDRIF5S5 FCRK3010 XSFR1-5