NSK Bearing Cross Reference

NSK Bearing Cross Reference Chart | NSK Bearings Interchange

This guide details how to convert between bearings of different brands and NSK bearings. The following table can help you match various rolling bearing models with NSK bearing models (please refer to NSK bearing nomenclature). The advantage is that it can help customers provide more choices and convenient alternative units for competitive manufacturers. They can be considered interchangeable in most cases, but please contact TFL bearings for special applications.

NSK single row deep groove ball bearings interchange

ball bearings interchange
DescriptionInterchange
SKFFAGNSKNTNTIMKEN
Deep groove ball bearings Part NumberThin section618xx618xx68xx68xx618xx
619xx619xx69xx69xx619xx
Standard60xx60xx60xx60xx60xx
62xx62xx62xx62xx62xx
63xx63xx63xx63xx63xx
64xx64xx64xx64xx64xx
Narrow16xxx16xxx16xxx16xxx16xxx
Extra small6xx6xx6xx6xx6xx
InchRxxRxxRxxRxx 
With filling slots2xx2xxBL2xxBL2xx2xxW
3xx3xxBL3xxBL3xx3xxW
Deep groove ball bearings Part Number SuffixContact seal, on one or both sidesRS1, 2RS1RSR, 2RSRDU, DDULU, LLURS, 2RS
Contact seal, on one or both sidesRSH, 2RSHRSR, 2RSRDU, DDULU, LLURS, 2RS
Low-friction seal, on one or both sidesRSL, 2RSL  LH, LLH 
Non-contact seal, on one or both sidesRZ, 2RZBRS, 2BRSV, VVLB, LLBRZ, 2RZ
Shield on one or both sidesZ, 2ZZ, 2ZZ, ZZZ, ZZZ, ZZ
Snap ring grooveNNNNN
Snap ringNRNRNRNRNR

NSK angular contact ball bearings interchangeable

nsk bearing cross reference
Description SKF FAG NSK NTN TIMKEN
Single row angular contact ball bearingsLight72xxB72xxB72xxB72xxB72xxWN
Medium73xxB73xxB73xxB73xxB73xxWN
Heavy74xxB74xxB74xxB74xxB74xxWN
Double row angular contact ball bearingsLight32xxA32xx52xx52xx52xx
Medium33xxA33xx53xx53xx53xx
Part Number Suffix40° contact angleBBBBWN
30° contact angleAAA
25° contact angleACA5
Non-contact seal-2RZ2RSLLM
Contact seal-2RS12RSRLLD
Shield on both sides-2Z2ZZZDD

NSK Spherical Ball Bearing Interchange

Description SKF FAG NSK NTN
Part numberExtra narrow12xx12xx12xx12xxS
Narrow13xx13xx13xx13xxS
Wide22xx22xx22xx22xxS
Extra-wide23xx23xx23xx23xxS
Part Number SuffixTapered boreKKKK
Contact seal-2RS12RS

NSK cylindrical roller bearings interchangeable

Description Description SKF FAG/INA NSK TIMKEN
Cylindrical roller bearingshave two integral flanges on the outer ring and no flanges on the inner ringNUNUNUNU
Prefixhave two integral flanges on the inner ring and no flanges on the outer ringNNNN
have two integral flanges on the outer ring and one on the inner ringNJNJNJNJ
have two integral flanges on the outer ring and one integral flange and one non-integral flangeNUPNUPNUPNUP
Inch bearingsCRL
CRM
High-capacityNCFSL18NCF
High-capacityNJGSL19
Double rowNNUNNUNNU
Double rowNNNNNN
Double rowNNUP
Double row, full complementNNCLSL02
Double row, full complementNNCFSL1850
Double row, full complementNNCSL0148
SL0149
Double row, full complementNNFSL0450

NSK spherical roller bearings interchange

Description SKF FAG NSK TIMKEN
Part NumberVery light239xx239xx239xx239xx
Light230xx230xx230xx230xx
240xx240xx240xx240xx
Medium231xx231xx231xx231xx
241xx241xx241xx241xx
Heavy222xx222xx222xx222xx
232xx232xx232xx232xx
Extra-heavy213xx213xx213xx213xx
223xx223xx223xx223xx
Part Number SuffixRetaining flanges on the inner ring, guide ring centered on the inner ring machined brass cageCA, CACMCAMYM
Flangeless inner ring, guide ring centered on the inner ring, two stamped steel cagesCC(J), CJC, CDCJ
Optimized internal design for increased load carrying capacityEE1EA
Tapered bore, taper 1:12KKKK
Tapered bore, taper 1:30K30K30K30K
Annular groove and three lubrication holes in the outer ringW33SE4W33
Bearing for vibratory applications, surface-hardened stamped steel cagesVA405T41AC4U15-VSW800C4
Same as VA405, but PTFE coated cylindrical inner ring boreVA406

Comparison table of NSK linear bearing series type number

KBS NTN STAR INA SKF FAG
KH..KH..0658-0..-00KH..LBBR..LNA..
                 (LBBS..)    (LNA..)
KH..PPKH..LL0658-2..-40KH..PPLBBR..2LSLNA..2RS
                (LBBR..2LS)    (LFA..2RS)