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
NSK Bearing Cross Reference -TFL
Description Interchange
SKF FAG NSK NTN TIMKEN
Deep groove ball bearings Part Number Thin section 618xx 618xx 68xx 68xx 618xx
619xx 619xx 69xx 69xx 619xx
Standard 60xx 60xx 60xx 60xx 60xx
62xx 62xx 62xx 62xx 62xx
63xx 63xx 63xx 63xx 63xx
64xx 64xx 64xx 64xx 64xx
Narrow 16xxx 16xxx 16xxx 16xxx 16xxx
Extra small 6xx 6xx 6xx 6xx 6xx
Inch Rxx Rxx Rxx Rxx  
With filling slots 2xx 2xx BL2xx BL2xx 2xxW
3xx 3xx BL3xx BL3xx 3xxW
Deep groove ball bearings Part Number Suffix Contact seal, on one or both sides RS1, 2RS1 RSR, 2RSR DU, DDU LU, LLU RS, 2RS
Contact seal, on one or both sides RSH, 2RSH RSR, 2RSR DU, DDU LU, LLU RS, 2RS
Low-friction seal, on one or both sides RSL, 2RSL     LH, LLH  
Non-contact seal, on one or both sides RZ, 2RZ BRS, 2BRS V, VV LB, LLB RZ, 2RZ
Shield on one or both sides Z, 2Z Z, 2Z Z, ZZ Z, ZZ Z, ZZ
Snap ring groove N N N N N
Snap ring NR NR NR NR NR

NSK angular contact ball bearings interchangeable

Nsk bearing cross reference
NSK Bearing Cross Reference -TFL
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 angleA AA 
 25° contact angleAC A5  
 Non-contact seal-2RZ2RS LLM 
 Contact seal-2RS12RSR LLD 
 Shield on both sides-2Z2Z ZZDD

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-capacityNCFSL18 NCF
 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), CJ C, 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)