NSK bearing cross reference

NSK bearing cross reference chart can help you to match various rolling bearing designations to NSK bearing designation (refer to NSK bearing nomenclature). The competitive manufacturers are provided for a convenient source of unit substitution. They can be considered interchangeable in most instances, but for special applications, please contact Coolen. Coolen bearings assumes no liability with respect to errors or omissions.

NSK single row deep groove ball bearings cross reference

Interchange - NSK single row deep groove ball bearings
Description Interchange
NSK SKF TORR/FAF FAG MRC NTN
Part Number Inch Rxx Rxx SxxK Rxx Rxx Rxx
  Extra small 6xx 6xx 3xK 6xx 3x 6xx
  Extra Light 60xx 60xx 91xxK 60xx 1xxK 60xx
  Light 62xx 62xx 2xxK 62xx 2xxS 62xx
  Medium 63xx 63xx 3xxK 63xx 3xxS 63xx
  Extra thin section 68xx 618xx -- 618xx 18xxS 68xx
  Very thin section 69xx 619xx 93xxK 619xx 19xxS 69xx
  Thin section 16xxx 16xxx -- 16xxx -- --
  Maximum capacity, light BL2xx 2xx 2xxW 2xx 2xxM BL2xx
  Maximum capacity, medium BL3xx 3xx 3xxW 3xx 3xxM BL3xx
  Cartridge type 633xx -- W3xx -- 3xxC 633xx
  632xx -- W2xx -- 2xxC 632xx
Part Number Suffix Two seals (non contact) VV 2RZ -- -- -- LLB
  Two seals (contact) DDU 2RS1 PP 2RSR ZZ LLU
  One seal (contact) DU RS1 P RSR Z LU
  Two shields ZZ 2Z DD 2ZR FF ZZ
  One shield Z Z D ZR F Z
  Snap ring NR NR G NR G NR
  Steel cage blank J blank blank blank blank
  Brass cage M M MBR M BRZ L1
  Heat stabilized 200C X28 S1 -- S1 -- PREFIX TS3
  Tight clearance C2 C2 H C2 Tight C2
  Normal clearance blank blank R blank Nomal blank
  Loose clearance C3 C3 P C3 Loose C3
  Extra loose clearance C4 C4 J C4 Extra Loose C4
  Electric motor grade E QE6 -- -- -- --

Interchange - NSK angular contact ball bearings

NSK angular contact ball bearing cross reference chart
Description Interchange
NSK SKF TORR/FAF FAG MRC NTN
Part Number Light 72xx 72xx 72xx 72xx 72xx 72xx
Medium 73xx 73xx 73xx 73xx 73xx 73xx
Heavy 74xx 74xx 74xx 74xx 74xx 74xx
Part Number Suffix 40° contact B B WN B PJ B
30° contact A -- -- -- BLANK BLANK
25° contact A5 ACD -- E -- --
15° contact C CD -- C R C
MACHINED BRASS CAGE M M MBR MP BRZ L1
PRESSED BRASS CAGE Y Y BLANK YP -- --
POLYAMIDE CAGE TY P PRC TVP BKE T2
STEEL CAGE W J -- JP BLANK J
FLUSH GROUND FACES G G BLANK UO,UA DU G
PETROCHEMICAL BMPC BECBM -- -- PumpPac* --

*PumpPac is a registered trademark of SKF USA.

NSK double row ball bearings interchange

NSK double row ball bearings cross reference chart
             
    NSK SKF TORR/FAF MRC NTN
Part Number SELF-ALIGNING, EXTRA NARROW 12xx 12xx -- -- 12xx
SELF-ALIGNING, NARROW 13xx 13xx -- -- 13xx
SELF-ALIGNING, WIDE 22xx 22xx -- -- 22xx
SELF-ALIGNING, EXTRA WIDE 23xx 23xx -- -- 23xx
DOUBLE ROW, MAXIMUM COMPLIMENT, LIGHT 32xx 52xxE 52xxW 52xxM 32xx
DOUBLE ROW, MAXIMUM COMPLIMENT, MEDIUM 33xx 53xxE 53xxW 53xxM 33xx
DOUBLE ROW, CONRAD, LIGHT 52xx 52xxA 52xxK 52xxC 52xx
DOUBLE ROW, CONRAD, MEDIUM 53xx 53xxA 53xxK 53xxC 53xx
Part Number Suffix TWO SEALS 2RS 2RS1 PP ZZ LLU
TWO SHIELDS ZZ 2Z DD FF ZZ
SNAP RING NR NR G G NR
POLYAMIDE CAGE TNG TN9 PRB -- T2
STEEL CAGE J BLANK BLANK BLANK J
TAPERED BORE K K -- -- K
EXTRA CAPACITY E E -- -- --
TIGHT CLEARANCE C2 C2 H C2 C2
NORMAL CLEARANCE BLANK BLANK R BLANK BLANK
LOOSE CLEARANCE C3 C3 P C3 C3
EXTRA LOOSE CLEARANCE C4 C4 J C4 C4

NSK cylindrical roller bearings cross reference

NSK cylindrical roller bearings cross reference chart
Description Interchange
NSK SKF FAG
Part Number Prefix SINGLE ROW, NO FLANGES ON OUTER RING N N N
SINGLE ROW, NO FLANGES ON INNER RING NU NU NU
SINGLE ROW, 1 FLANGE INNER NJ NJ NJ
SINGLE ROW, 1 FLANGE OUTER NF NF --
SINGLE ROW, 1 FLANGE INNER, WITH RETAINING RING NUP NUP NUP
SINGLE ROW, 1 FLANGE INNER w/STABALIZING RING NH NH NH
STABILIZING RING HJ HJ HJ
DOUBLE ROW, FLANGES OUTER/FANGES INNER NNU/NN NNU/NN NNU/NN
Part Number LIGHT 2xx 2xx 2xx
MEDUM 3xx 3xx 3xx
HEAVY 4xx 4xx 4xx
EXTRA LIGHT 10xx 10xx 10xx
LIGHT, WIDE 22xx 22xx 22xx
MEDIUM, WIDE 23xx 23xx 23xx
Part Number Suffix POLYAMIDE CAGE T P TVP2
COMPOSITE HIGH TEMP (200F) CAGE T7 -- --
MACHINED BRASS CAGE M M M,M1
PRESSED STEEL CAGE W,WS J JP1
HIGH CAPACITY DESIGN E EC E
FULL COMPLEMENT (NO CAGE) V V V
TIGHT CLEARANCE C2 C2 C2
NORMAL CLEARANCE BLANK BLANK BLANK
LOOSE CLEARANCE C3 C3 C3
EXTRA LOOSE CLEARANCE C4 C4 C4

NSK Spherical Roller Bearings Cross Reference

NSK Spherical Roller Bearings cross reference chart
Description Interchange
NSK SKF TORR/FAF FAG
Part Number VERY LIGHT 239xx 239xx 239xx 239xx
LIGHT 230xx 230xx 230xx 230xx
LIGHT, WIDE 240xx 240xx 240xx 240xx
MEDIUM 231xx 231xx 231xx 231xx
MEDIUM, WIDE 241xx 241xx 241xx 241xx
HEAVY 222xx 222xx 222xx 222xx
HEAVY, WIDE 232xx 232xx 232xx 232xx
EXTRA HEAVY 213xx 213xx 213xx 213xx
EXTRA HEAVY, WIDE 223xx 223xx 223xx 223xx
Part Number Suffix BRONZE CAGE, ONE PIECE, GUIDE RING CAM,AM CA,CACM YM M
BRONZE CAGE, TWO PIECE, GUIDE FLANGE M MC BR MB
STEEL CAGE, TWO PIECE, GUIDE RING C,CD CJ,CC CJ,VJ BLANK
POLYAMIDE CAGE, TWO PIECE H -- VCF TVPB
TAPERED BORE 1:12 K K K K
TAPERED BORE 1:30 K30 K30 K K30
CARBURIZED STEEL, COMPLETE BEARING g ECD W40 W209
CARBURIZED STEEL, INNER RING ONLY g3 ECB W40I W209B
LUBE GROOVE & HOLES OUTER RING E4 W33 W33 S
LUBE GROOVE & HOLES OUTER RING, INNER RING E7* W513 W33W94 SH40AB
HOLES ONLY OUTER RING E3 W20 W20 SY
HOLES INNER RING & GROOVE E5 W26 W94 H40AB
NO RELUBE FEATURES BLANK BLANK BLANK --
PLUGS PROVIDED FOR OUTER RING HOLES E42 W77 W84 H40
COMBINATION W33, W4, W31 E4P55 C08507 C08W33W4W31 --
COMBINATION W33, W31 E4U22 W506 W33W31 --
COMBINATION W33, W26, W31 E7U22 C08W509 W33W94W31 SH40A
OUTER RING WITH EXTRA CLOSE RUNNING ACCURACY P52 C04 C04 T52BN
INNER RING WITH EXTRA CLOSE RUNNING ACCURACY P53 C02 C02 T52BE
INNER AND OUTER RING W/EXTRA CLOSE RUNNING ACCURACY P55 C08 C08 T52BW
SPECIAL INSPECTION MEASURES U22 W31 W31 --
INNER RING AND OUTER RING HEAT STABILIZED TO 200°C S11 S1 -- --
TIGHT CLEARANCE C2 C2 C2 C2
NORMAL CLEARANCE BLANK BLANK BLANK BLANK
LOOSE CLEARANCE C3 C3 C3 C3
EXTRA LOOSE CLEARANCE C4 C4 C4 C4

NSK high precision angular contact ball bearings interchange

NSK high precision angular contact ball bearings cross reference chart
Description Interchange
NSK *OLD NSK SKF FAG BARDEN OLD BARDEN FAFNIR SNFA NTN
Part Number ULTRA LIGHT SERIES 79xx 79xx 719xx 719xx 19xx - 93xxWI B 79xx
EXTRA LIGHT SERIES 70xx 70xx 70xx 70xx 1xx 1xx 91xxWI X 70xx
LIGHT SERIES 72xx 72xx 72xx 72xx 2xx 2xx 2xxWI 2 72xx
Part Number Suffix 15° CONTACT ANGLE C C CD C C BLANK 2* 1 C
25° CONTACT ANGLE A5 A5 ACD E E 2* 3* 3 -
POLYAMIDE CAGE TYN TY - - TMT - PRC P T2
PHENOLIC CAGE TR T BLANK T TA BLANK CR C T1
SEALS V1V - S* 2RSD OR S PREFIX RR -   /S -
DUPLEX UNIVERSAL DU DU DG DU DU D DU DU GD2
SINGLE UNIVERSAL SU SU G U U - SU U G
EXTRA LIGHT PRELOAD EL EL - - - - X - GL
LIGHT PRELOAD L L A L L L L L GN
MEDIUM PRELOAD M M B M M M M M GM
HEAVY PRELOAD H H C H H H H H GH
CERAMIC BALLS SN24 SN24 HC HCB* C* - C* /NS 5S*
ABEC 7 PRECISION P4Y P4 P4A P4S BLANK BLANK MM* 7 P4
ABEC 9 PRECISION P2 P2 PA9A - ABEC9 ABEC9 MMX* 9 P2

*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;

NSK Ultra High Precision Angular Contact Ball Bearings cross reference

Ultra High Precision Angular Contact Ball Bearings cross reference chart
Description Interchange
NSK *OLD NSK SKF BARDEN FAFNIR SNFA NTN
Part Number ULTRA LIGHT ROBUST HIGH SPEED SERIES XXBNR19 XXBNC19 719XXCE ZSB19XX 93XXW0,WN,HX VEBXX HSB9XX
EXTRA LIGHT ROBUST HIGH SPEED SERIES XXBNR10 XXBNC10 70XXCE ZSB1XX 91XXW0,WN,HX VEXXX HSB0XX
ULTRA LIGHT ROBUST HIGH SPEED SERIES FOR GRINDING SPINDLES XXBGR19 XXBNT19 - - - - BNT9XX
EXTRA LIGHT ROBUST HIGH SPEED SERIES FOR GRINDING SPINDLES XXBGR10 XXBNT10 - XXBX48 - - BNT0XX
Part Number Suffix POLYAMIDE CAGE TYN TY BLANK TMT PRC P -
PHENOLIC CAGE TR T - T CR C BLANK
DUPLEX UNIVERSAL DU DU DG DU DU DU D
SINGLE UNIVERSAL SU SU G U SU U BLANK
EXTRA LIGHT PRELOAD EL EL - - X - GL
LIGHT PRELOAD L L A L L L GN
CERAMIC BALLS H SN24 HC C* C* /NS 5S*
STEEL BALLS S BLANK BLANK BLANK BLANK BLANK BLANK
ABEC 7 PRECISION P4Y P4 P4 BLANK MMV* 7 P4
ABEC 9 PRECISION P2 P2 P2 ABEC9 MMX* 9 P2

*BNR has replaced BNC series. 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; 7900; and BNR.

NSK Precision Cylindrical Roller Bearings cross reference

NSK Precision Cylindrical Roller Bearings cross reference chart
Description Interchange
NSK *OLD NSK SKF FAG NTN
Part Number ULTRA LIGHT DOUBLE ROW CYLINDRICAL SERIES NN39XX NN39XX - - -
EXTRA LIGHT DOUBLE ROW CYLINDRICAL SERIES NN30XX NN30XX NN30XX NN30XX NN30XX
EXTRA LIGHT SINGLE ROW CYLINDRICAL SERIES N10XX N10XX N10XX N10XX N10XX
Part Number Suffix NON-METALLIC CAGE TB T TN,TN9 - -
BRASS CAGE MB M BLANK M G1
TAPERED BORE KR K UPK K K
LUBE GROOVE AND HOLES ON OUTER RING E44 - W33 S -
MATCHED CLEARANCE, RINGS NOT TO BE MIXED CCX CCX CX CX CXNA
ABEC 7 PRECISION P4 P4 SP SP P4

*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.

NSK Thrust Angular Contact Ball Bearings Cross Reference

NSK Thrust Angular Contact Ball Bearings cross reference chart
Description   Interchange    
    NSK *OLD NSK SKF NTN
Part Number 30° ANGULAR CONTACT THRUST BEARINGS XXBAR10 XXBA10 BTMXXA HTA0XXADB
40° ANGULAR CONTACT THRUST BEARINGS XXBTR10 XXBT10 BTMXXB HTA0XXDB
Part Number Suffix POLYAMIDE CAGE TYN TY BLANK T2
PHENOLIC CAGE TR T - T1
DUPLEX UNIVERSAL DU DU DB GD2
SINGLE UNIVERSAL SU SU - G
EXTRA LIGHT PRELOAD EL EL - -
LIGHT PRELOAD L L A GN
CERAMIC BALLS H SN24 HC 5S*
STEEL BALLS S BLANK BLANK BLANK
ABEC 7 PRECISION P4A P4A P4A P4
ABEC 9 PRECISION P2A P2A PA9A P2

*BAR and BTR series has replaced BA and BT series.