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Series Interchange Reference Guide Between Different Bearing Manufacturers

The competitive manufacturers are provided with a convenient source of unit substitution. They can be considered interchangeable in most instances, but for special applications, please consult TFL Engineering

Different bearing manufacturers.png

Contents



The series interchange between different bearing manufacturers

Interchange — Single Row Deep Groove Ball Bearings

DESCRIPTIONTFLNSKSKFTORR/FAFFAGMRCNTN
Part NumberINCHRxxRxxRxxSxxKRxxRxxRxx
EXTRA SMALL6xx6xx6xx3xK6xx3x6xx
EXTRA LIGHT60xx60xx60xx91xxK60xx1xxK60xx
LIGHT62xx62xx62xx2xxK62xx2xxS62xx
MEDIUM63xx63xx63xx3xxK63xx3xxS63xx
EXTRA THIN SECTION618xx68xx618xx--618xx18xxS--
VERY THIN SECTION619xx69xx619xx93xxK619xx19xxS69xx
THIN SECTION16xxx16xxx16xxx--16xxx----
MAXIMUM CAPACITY, LIGHT2xxBL2xx2xx2xxW2xx2xxMBL2xx
MAXIMUM CAPACITY, MEDIUM3xxBL3xx3xx3xxW3xx3xxMBL3xx
CARTRIDGE TYPE--633xx--W3xx--3xxC633xx

--632xx--W2xx--2xxC632xx
Part Number SuffixTWO SEALS (NON CONTACT)--VV--------LLB
TWO SEALS (CONTACT)2RSDDU2RSPP2RSRZZLLU
ONE SEAL (CONTACT)RSDURSPRSRZLU
TWO SHIELDS2ZZZ2ZDD2ZRFFZZ
ONE SHIELDZZZDZRFZ
SNAP RINGNRNRNRGNRGNR
STEEL CAGEJBLANKJBLANKBLANKBLANKBLANK
BRASS CAGEMMMMBRMBRZL1
HEAT STABILIZED 200CS1X28S1--S1--PREFIX TS3
TIGHT CLEARANCEC2C2C2HC2TightC2
NORMAL CLEARANCEBLANKBLANKBLANKRBLANKNormalBLANK
LOOSE CLEARANCEEM(C3)C3EM(C3)PC3LooseC3
EXTRA LOOSE CLEARANCEC4C4C4JC4Extra LooseC4
ELECTRIC MOTOR GRADEQE6EQE6--------

Interchange — Angular Contact Ball Bearings (ABEC 1&3)

DESCRIPTIONTFLNSKSKFTORR/FAFFAGMRCNTN
Part No.LIGHT72xx72xx72xx72xx72xx72xx72xx
MEDIUM73xx73xx73xx73xx73xx73xx73xx
HEAVY74xx74xx74xx74xx74xx74xx74xx
Part No. Suffix40。CONTACTBBBWNBPJB
30。CONTACT--A------BLANKBLANK
25。 CONTACTACDA5ACD--E----
15。 CONTACTCDCCD--CRC
MACHINED BRASS CAGEMMMMBRMPBRZL1
PRESSED BRASS CAGEYYYBLANKYP----
POLYAMIDE CAGEPTYPPRCTVPBKET2
STEEL CAGEJWJ--JPBLANKJ
FLUSH GROUND FACESGGGBLANKUO, UADUG
PETROCHEMICALBECBMBMPCBECBM----PumpPac*--

Interchange — Double Row Ball Bearings

Interchange — Double Row Ball BearingsINTERCHANGE
TFLNSKSKFTORR/FAFMRCNTN
Part NumberSELF-ALIGNING, EXTRA NARROW12xx12xx12xx----12xx
SELF-ALIGNING, NARROW13xx13xx13xx----13xx
SELF-ALIGNING, WIDE22xx22xx22xx----22xx
SELF-ALIGNING, EXTRA WIDE23xx23xx23xx----23xx
DOUBLE ROW, MAXIMUM COMPLIMENT, LIGHT52xxE32xx52xxE52xxW52xxM (K)32xx
DOUBLE ROW, MAXIMUM COMPLIMENT, MEDIUM53xxE33xx53xxE53xxW53xxM (K)33xx
DOUBLE ROW, CONRAD, LIGHT52xxA52xx52xxA52xxK52xxC (SBK)52xx
DOUBLE ROW, CONRAD, MEDIUM53xxA53xx53xxA53xxK53xxC (SB)53xx
Part Number SuffixTWO SEALS2RS12RS2RS1PPZZLLU
TWO SHIELDS2ZZZ2ZDDFFZZ
SNAP RINGNRNRNRGGNR
POLYAMIDE CAGETN9TNGTN9PRB--T2
STEEL CAGEBLANKJBLANKBLANKBLANKJ
TAPERED BOREKKK----K
EXTRA CAPACITYEEE------
TIGHT CLEARANCEC2C2C2HC2C2
NORMAL CLEARANCEBLANKBLANKBLANKRBLANKBLANK
LOOSE CLEARANCEC3C3C3PC3C3
EXTRA LOOSE CLEARANCEC4C4C4JC4C4

Interchange — Cylindrical Roller Bearings

DESCRIPTIONINTERCHANGE
TFLNSKSKFFAG
Part Number PrefixSINGLE ROW, NO FLANGES ON OUTER RINGNNNN
SINGLE ROW, NO FLANGES ON INNER RINGNUNUNUNU
SINGLE ROW, 1FLANGE INNERNJNJNJNJ
SINGLE ROW, 1FLANGE OUTERNFNFNF--
SINGLE ROW, 1FLANGE INNER, WITH RETAINING RINGNUPNUPNUPNUP
SINGLE ROW, 1FLANGE INNER w/STABALIZING RINGNHNHNHNH
STABILIZING RING
HJHJHJHJ
DOUBLE ROW, FLANGES OUTER/FANGES INNERNNU/NNNNU/NNNNU/NNNNU/NN
Part NumberLIGHT2xx2xx2xx2xx
MEDUM3xx3xx3xx3xx
HEAVY4xx4xx4xx4xx
EXTRA LIGHT10xx10xx10xx10xx
LIGHT, WIDE22xx22xx22xx22xx
MEDIUM, WIDE23xx23xx23xx23xx
Part Number SuffixPOLYAMIDE CAGEPTPTVP2
COMPOSITE HIGH TEMP (200F) CAGE--T7----
MACHINED BRASS CAGEMMMM, M1
PRESSED STEEL CAGEJW, WSJJP1
HIGH CAPACITY DESIGNECEECE
FULL COMPLEMENT (NO CAGE)VVVV
TIGHT CLEARANCEC2C2C2C2
NORMAL CLEARANCEBLANKBLANKBLANKBLANK
LOOSE CLEARANCEC3C3C3C3
EXTRA LOOSE CLEARANCEC4C4C4C4

Interchange — High Precision Angular Contact Ball Bearings

DESCRIPTIONINTERCHANGE
TFLNSK*OLD NSKSKFFAGBARDENNTN
Part NumberULTRA LIGHT SERIES719XX79XX79XX719XX719XX19XX79XX
EXTRA LIGHT SERIES70XX70XX70XX70XX70XX1XX70XX
LIGHT SERIES72XX72XX72XX72XX72XX2XX72XX
Part Number Suffix15。 CONTACT ANGLECDCCCDCCC
25。 CONTACT ANGLEACDA5A5ACDEE-
POLYAMIDE CAGE-TYNTY--TMTT2
PHENOLIC CAGEBLANKTRTBLANKTTAT1
SEALSS*V1V-S*2RSD ORRR-





S PREFIX

DUPLEX UNIVERSALDGDUDUDGDUDUGD2
SINGLE UNIVERSALGSUSUGUUG
EXTRA LIGHT PRELOAD-ELEL---GL
LIGHT PRELOADALLALLGN
MEDIUM PRELOADBMMBMMGM
HEAVY PRELOADCHHCHHGH
CERAMIC BALLSHCSN24SN24HCHCB*C*5S*
ABEC 7 PRECISIONP4AP4YP4P4AP4SBLANKP4
ABEC 9 PRECISIONPA9AP2P2PA9A-ABEC 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 have tighter bore and OD
control than ABEC 7 (class 4 or P4) NSK supplies the following bearing series with P4Y tolerance: 7000; 7200;

Interchange — Ultra High Precision Angular Contact Ball Bearings

DESCRIPTIONINTERCHANGE
TFLNSK*OLD NSKSKFBARDENFAFNIRNTN
Part NumberULTRA LIGHT ROBUST HIGH SPEED SERIES719XXCEXXBNR19XXBNC19719XXCEZSB19XX93XXWO,WN, HXHSB9XX
EXTRA LIGHT ROBUST HIGH SPEED SERIES70XXCEXXBNR10XXBNC1070XXCEZSB1XX91XXWO,WN, HXHSB0XX
ULTRA LIGHT ROBUST HIGH SPEED SERIES






FOR GRINDING SPINDLES-XXBGR19XXBNT19---BNT9XX
EXTRA LIGHT ROBUST HIGH SPEED SERIES






FOR GRINDING SPINDLES-XXBGR10XXBNT10-XXBX48-BNT0XX
Part Number SuffixPOLYAMIDE CAGEBLANKTYNTYBLANKTMTPRC-
PHENOLIC CAGE-TRT-TCRBLANK
DUPLEX UNIVERSALDGDUDUDGDUDUD
SINGLE UNIVERSALGSUSUGUSUBLANK
EXTRA LIGHT PRELOAD-ELEL--XGL
LIGHT PRELOADALLALLGN
CERAMIC BALLSHCHSN24HCC*C*5S*
STEEL BALLSBLANKSBLANKBLANKBLANKBLANKBLANK
ABEC 7 PRECISIONP4P4YP4P4BLANKMMV*P4
ABEC 9 PRECISIONP2P2P2P2ABEC 9MMX*P2
*BNR has replaced the BNC series. P4Y tolerance specification replaces P4. P4Y tolerance specifications have a tighter bore and OD control than ABEC 7 (class 4 or P4). NSK supplies the following bearing series with P4Y tolerance: 7000; 7200; 7900; and BNR.

Interchange — Thrust Angular Contact Ball Bearings

DESCRIPTIONINTERCHANGE
TFLNSK*OLD NSKSKFNTN

Part Number30。 ANGULAR CONTACT THRUST BEARINGSBTMXXAXXBAR10XXBA10BTMXXAHTA0XXADB

40。 ANGULAR CONTACT THRUST BEARINGSBTMXXBXXBTR10XXBT10BTMXXBHTA0XXDB

Part Number SuffixPOLYAMIDE CAGEBLANKTYNTYBLANKT2

PHENOLIC CAGE-TRT-T1

DUPLEX UNIVERSALDBDUDUDBGD2

SINGLE UNIVERSAL-SUSU-G

EXTRA LIGHT PRELOAD-ELEL--

LIGHT PRELOADALLAGN

CERAMIC BALLSHCHSN24HC5S*

STEEL BALLSBLANKSBLANKBLANKBLANK

ABEC 7 PRECISIONP4AP4AP4AP4AP4

ABEC 9 PRECISIONPA9AP2AP2APA9AP2

*The BAR and BTR series have replaced the BA and BT series.

Interchange — Precision Cylindrical Roller Bearings

DESCRIPTIONINTERCHANGE
TFLNSK*OLD NSKSKFFAGNTN
Part NumberULTRA LIGHT DOUBLE ROW CYLINDRICAL SERIES-NN39XXNN39XX---
EXTRA LIGHT DOUBLE ROW CYLINDRICAL SERIESNN30XXNN30XXNN30XXNN30XXNN30XXNN30XX
EXTRA LIGHT SINGLE ROW CYLINDRICAL SERIESN10XXN10XXN10XXN10XXN10XXN10XX
Part Number SuffixNON-METALLIC CAGETN, TN9TBTTN, TN9


BRASS CAGEBLANKMBMBLANKMG1
TAPERED BOREUPKKRKUPKKK
LUBE GROOVE AND HOLES
ON OUTER RING
W33E44
W33


MATCHED CLEARANCE



S

RINGS NOT TO BE MIXEDCXCCXCCXCXCXCXNA
ABEC7 PRECISIONSPP4P4SPSPP4
*The outer ring machined lubrication groove and holes (E44) is now a standard feature. TB cage replaces T cage, MB replaces M and KR replaces K.

Interchange — Spherical Roller Bearings

DESCRIPTIONINTERCHANGE
TFLNSKSKFTORR/FAFFAG

Part NumberVERY LIGHT239xx239xx239xx239xx239xx

LIGHT230xx230xx230xx230xx230xx

LIGHT, WIDE240xx240xx240xx240xx240xx

MEDIUM231xx231xx231xx231xx231xx

MEDIUM, WIDE241xx241xx241xx241xx241xx

HEAVY222xx222xx222xx222xx222xx

HEAVY, WIDE232xx232xx232xx232xx232xx

EXTRA HEAVY213xx213xx213xx213xx213xx

EXTRA HEAVY, WIDE223xx223xx223xx223xx223xx

Part Number SuffixBRONZE CAGE, ONE PIECE, GUIDE RINGCA, CACMCAM, AMCA, CACMYMM

BRONZE CAGE, TWO-PIECE, GUIDE FLANGEMCMMCBRMB

STEEL CAGE, TWO-PIECE, GUIDE RINGCJ, CCC, CDCJ, CCCJ, VJBLANK

POLYAMIDE CAGE, TWO PIECE--H--VCFTVPB

TAPERED BORE 1:12KKKKK

TAPERED BORE 1:30K30K30K30KK30

CARBURIZED STEEL, COMPLETE BEARINGECDgECDW40W209

CARBURIZED STEEL, INNER RING ONLYECBg3ECBW40IW209B

LUBE GROOVE & HOLES OUTER RINGW33E4W33W33S

LUBE GROOVE & HOLES OUTER RING, INNER RINGW513E7*W513W33W94SH40AB

HOLES ONLY OUTER RINGW20E3W20W20SY

HOLES INNER RING & GROOVEW26E5W26W94H40AB

NO RELUBE FEATURESBLANKBLANKBLANKBLANK--

PLUGS PROVIDED FOR OUTER RING HOLESW77E42W77W84H40

COMBINATION W33, W4, W31C08507E4P55C08507C08W33W4W31--

COMBINATION W33, W31W506E4U22W506W33W31--

COMBINATION W33, W26, W31C08W509E7U22C08W509W33W94W31SH40A

OUTER RING WITH EXTRA CLOSE RUNNING ACCURACYC04P52C04C04T52BN

INNER RING WITH EXTRA CLOSE RUNNING ACCURACYC02P53C02C02T52BE

INNER AND OUTER RING W/EXTRA CLOSE RUNNING ACCURACYC08P55C08C08T52BW

SPECIAL INSPECTION MEASURESW31U22W31W31--

INNER RING AND OUTER RING HEAT STABILIZED TO 200°CS1S11S1----

TIGHT CLEARANCEC2C2C2C2C2

NORMAL CLEARANCEBLANKBLANKBLANKBLANKBLANK

LOOSE CLEARANCEC3C3C3C3C3

EXTRA LOOSE CLEARANCEC4C4C4C4C4

References: nsk.com