Interchange Reference Guide
Interchange — Single Row Deep Groove Ball Bearings
INTERCHANGE
Part Number Suffix
Part Number
DESCRIPTION
NSK
SKF
TORR/FAF
FAG
MRC
NTN
INCH
EXTRA SMALL
EXTRA LIGHT
LIGHT
MEDIUM
EXTRA THIN SECTION
VERY THIN SECTION
THIN SECTION
MAXIMUM CAPACITY, LIGHT
MAXIMUM CAPACITY, MEDIUM
Rxx
6xx
60xx
62xx
63xx
68xx
69xx
16xxx
BL2xx
BL3xx
Rxx
6xx
60xx
62xx
63xx
618xx
619xx
16xxx
2xx
3xx
SxxK
3xK
91xxK
2xxK
3xxK
-93xxK
-2xxW
3xxW
Rxx
6xx
60xx
62xx
63xx
618xx
619xx
16xxx
2xx
3xx
Rxx
3x
1xxK
2xxS
3xxS
18xxS
19xxS
-2xxM
3xxM
Rxx
6xx
60xx
62xx
63xx
-69xx
-BL2xx
BL3xx
CARTRIDGE TYPE
633xx
--
W3xx
--
3xxC
633xx
632xx
--
W2xx
--
2xxC
632xx
VV
DDU
DU
ZZ
Z
NR
BLANK
M
X28
C2
BLANK
C3
C4
E
-2RS
RS
2Z
Z
NR
J
M
S1
C2
BLANK
EM(C3)
C4
QE6
-PP
P
DD
D
G
BLANK
MBR
-H
R
P
J
--
-2RSR
RSR
2ZR
ZR
NR
BLANK
M
S1
C2
BLANK
C3
C4
--
-ZZ
Z
FF
F
G
BLANK
BRZ
-Tight
Normal
Loose
Extra Loose
--
LLB
LLU
LU
ZZ
Z
NR
BLANK
L1
PREFIX TS3
C2
BLANK
C3
C4
--
TWO SEALS (NON CONTACT)
TWO SEALS (CONTACT)
ONE SEAL (CONTACT)
TWO SHIELDS
ONE SHIELD
SNAP RING
STEEL CAGE
BRASS CAGE
HEAT STABILIZED 200C
TIGHT CLEARANCE
NORMAL CLEARANCE
LOOSE CLEARANCE
EXTRA LOOSE CLEARANCE
ELECTRIC MOTOR GRADE
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 consult NSK Engineering. NSK assumes no liability with respect to errors or omissions.
Interchange — Angular Contact Ball Bearings (ABEC 1&3)
NSK
SKF
TORR/FAF
FAG
MRC
NTN
Part No.
INTERCHANGE
LIGHT
MEDIUM
HEAVY
72xx
73xx
74xx
72xx
73xx
74xx
72xx
73xx
74xx
72xx
73xx
74xx
72xx
73xx
74xx
72xx
73xx
74xx
Part No. Suffix
DESCRIPTION
40˚ CONTACT
30˚ CONTACT
25˚ CONTACT
15˚ CONTACT
MACHINED BRASS CAGE
PRESSED BRASS CAGE
POLYAMIDE CAGE
STEEL CAGE
FLUSH GROUND FACES
PETROCHEMICAL
B
A
A5
C
M
Y
TY
W
G
BMPC
B
-ACD
CD
M
Y
P
J
G
BECBM
WN
---MBR
BLANK
PRC
-BLANK
--
B
-E
C
MP
YP
TVP
JP
UO,UA
--
PJ
BLANK
-R
BRZ
-BKE
BLANK
DU
PumpPac*
B
BLANK
-C
L1
-T2
J
G
--
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 consult NSK Engineering. NSK assumes no liability with respect to errors or omissions. *PumpPac is a registered trademark of SKF USA.
Interchange — Double Row Ball Bearings
Part Number
SELF-ALIGNING, EXTRA NARROW
SELF-ALIGNING, NARROW
SELF-ALIGNING, WIDE
SELF-ALIGNING, EXTRA WIDE
DOUBLE ROW, MAXIMUM COMPLIMENT, LIGHT
DOUBLE ROW, MAXIMUM COMPLIMENT, MEDIUM
DOUBLE ROW, CONRAD, LIGHT
DOUBLE ROW, CONRAD, MEDIUM
Part Number Suffix
DESCRIPTION
TWO SEALS
TWO SHIELDS
SNAP RING
POLYAMIDE CAGE
STEEL CAGE
TAPERED BORE
EXTRA CAPACITY
TIGHT CLEARANCE
NORMAL CLEARANCE
LOOSE CLEARANCE
EXTRA LOOSE CLEARANCE
INTERCHANGE
NSK
SKF
TORR/FAF
MRC
NTN
12xx
13xx
22xx
23xx
32xx
33xx
52xx
53xx
12xx
13xx
22xx
23xx
52xxE
53xxE
52xxA
53xxA
----52xxW
53xxW
52xxK
53xxK
----52xxM (K)
53xxM (K)
52xxC (SBK)
53xxC (SB)
12xx
13xx
22xx
23xx
32xx
33xx
52xx
53xx
2RS
ZZ
NR
TNG
J
K
E
C2
BLANK
C3
C4
2RS1
2Z
NR
TN9
BLANK
K
E
C2
BLANK
C3
C4
PP
DD
G
PRB
BLANK
--H
R
P
J
ZZ
FF
G
-BLANK
--C2
BLANK
C3
C4
LLU
ZZ
NR
T2
J
K
-C2
BLANK
C3
C4
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 consult NSK Engineering. NSK assumes no liability with respect to errors or omissions.
Interchange — Cylindrical Roller Bearings
Part Number
Prefix
LIGHT
MEDUM
HEAVY
EXTRA LIGHT
LIGHT, WIDE
MEDIUM, WIDE
Part Number Suffix
SINGLE ROW, NO FLANGES ON OUTER RING
SINGLE ROW, NO FLANGES ON INNER RING
SINGLE ROW, 1 FLANGE INNER
SINGLE ROW, 1 FLANGE OUTER
SINGLE ROW, 1 FLANGE INNER, WITH RETAINING RING
SINGLE ROW, 1 FLANGE INNER w/STABALIZING RING
STABILIZING RING
DOUBLE ROW, FLANGES OUTER/FANGES INNER
Part
Number
DESCRIPTION
POLYAMIDE CAGE
COMPOSITE HIGH TEMP (200F) CAGE
MACHINED BRASS CAGE
PRESSED STEEL CAGE
HIGH CAPACITY DESIGN
FULL COMPLEMENT (NO CAGE)
TIGHT CLEARANCE
NORMAL CLEARANCE
LOOSE CLEARANCE
EXTRA LOOSE CLEARANCE
INTERCHANGE
NSK
SKF
FAG
N
NU
NJ
NF
NUP
NH
HJ
NNU/NN
N
NU
NJ
NF
NUP
NH
HJ
NNU/NN
N
NU
NJ
-NUP
NH
HJ
NNU/NN
2xx
3xx
4xx
10xx
22xx
23xx
2xx
3xx
4xx
10xx
22xx
23xx
2xx
3xx
4xx
10xx
22xx
23xx
T
T7
M
W,WS
E
V
C2
BLANK
C3
C4
P
-M
J
EC
V
C2
BLANK
C3
C4
TVP2
-M, M1
JP1
E
V
C2
BLANK
C3
C4
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 consult NSK Engineering. NSK assumes no liability with respect to errors or omissions.
Interchange — High Precision Angular Contact Ball Bearings
Part Number Suffix
Part No.
DESCRIPTION
INTERCHANGE
NSK
*OLD NSK
SKF
FAG
BARDEN
OLD BARDEN
FAFNIR
SNFA
NTN
ULTRA LIGHT SERIES
EXTRA LIGHT SERIES
LIGHT SERIES
15˚ CONTACT ANGLE
25˚ CONTACT ANGLE
POLYAMIDE CAGE
PHENOLIC CAGE
SEALS
79XX
70XX
72XX
C
A5
TYN
TR
V1V
79XX
70XX
72XX
C
A5
TY
T
-
719XX
70XX
72XX
CD
ACD
BLANK
S*
19XX
1XX
2XX
C
E
TMT
TA
RR
1XX
2XX
BLANK
2*
BLANK
-
93XXWI
91XXWI
2XXWI
2*
3*
PRC
CR
B
X
2
1
3
P
C
/S
79XX
70XX
72XX
C
T2
T1
-
DUPLEX UNIVERSAL
SINGLE UNIVERSAL
EXTRA LIGHT PRELOAD
LIGHT PRELOAD
MEDIUM PRELOAD
HEAVY PRELOAD
CERAMIC BALLS
ABEC 7 PRECISION
ABEC 9 PRECISION
DU
SU
EL
L
M
H
SN24
P4Y
P2
DU
SU
EL
L
M
H
SN24
P4
P2
DG
G
A
B
C
HC
P4A
PA9A
719XX
70XX
72XX
C
E
T
2RSD OR
S PREFIX
DU
U
L
M
H
HCB*
P4S
-
DU
U
L
M
H
C*
BLANK
ABEC 9
D
L
M
H
BLANK
ABEC 9
DU
SU
X
L
M
H
C*
MM*
MMX*
DU
U
L
M
H
/NS
7
9
GD2
G
GL
GN
GM
GH
5S*
P4
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;
Interchange — Ultra High Precision Angular Contact Ball Bearings
INTERCHANGE
Part Number Suffix
Part No.
DESCRIPTION
ULTRA LIGHT ROBUST HIGH SPEED SERIES
EXTRA LIGHT ROBUST HIGH SPEED SERIES
ULTRA LIGHT ROBUST HIGH SPEED SERIES
FOR GRINDING SPINDLES
EXTRA LIGHT ROBUST HIGH SPEED SERIES
FOR GRINDING SPINDLES
POLYAMIDE CAGE
PHENOLIC CAGE
DUPLEX UNIVERSAL
SINGLE UNIVERSAL
EXTRA LIGHT PRELOAD
LIGHT PRELOAD
CERAMIC BALLS
STEEL BALLS
ABEC 7 PRECISION
ABEC 9 PRECISION
NSK
*OLD NSK
SNFA
NTN
XXBNR19
XXBNR10
XXBNC19
XXBNC10
719XXCE
70XXCE
SKF
ZSB19XX
ZSB1XX
BARDEN
93XXWO,WN,HX
91XXWO,WN,HX
FAFNIR
VEBXX
VEXXX
HSB9XX
HSB0XX
XXBGR19
XXBNT19
-
-
-
-
BNT9XX
XXBGR10
TYN
TR
DU
SU
EL
L
H
S
P4Y
P2
XXBNT10
TY
T
DU
SU
EL
L
SN24
BLANK
P4
P2
BLANK
DG
G
A
HC
BLANK
P4
P2
XXBX48
TMT
T
DU
U
L
C*
BLANK
BLANK
ABEC 9
PRC
CR
DU
SU
X
L
C*
BLANK
MMV*
MMX*
P
C
DU
U
L
/NS
BLANK
7
9
BNT0XX
BLANK
D
BLANK
GL
GN
5S*
BLANK
P4
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.
Interchange — Thrust Angular Contact
Ball Bearings
Interchange — Precision Cylindrical Roller Bearings
INTERCHANGE
*OLD NSK
SKF
NTN
XXBAR10
XXBA10
BTMXXA
HTA0XXADB
XXBTR10
TYN
TR
DU
SU
EL
L
H
S
P4A
P2A
XXBT10
TY
T
DU
SU
EL
L
SN24
BLANK
P4A
P2A
BTMXXB
BLANK
DB
A
HC
BLANK
P4A
PA9A
HTA0XXDB
T2
T1
GD2
G
GN
5S*
BLANK
P4
P2
*BAR and BTR series has replaced BA and BT series.
Part No.
30˚ ANGULAR CONTACT
THRUST BEARINGS
40˚ ANGULAR CONTACT
THRUST BEARINGS
POLYAMIDE CAGE
PHENOLIC CAGE
DUPLEX UNIVERSAL
SINGLE UNIVERSAL
EXTRA LIGHT PRELOAD
LIGHT PRELOAD
CERAMIC BALLS
STEEL BALLS
ABEC 7 PRECISION
ABEC 9 PRECISION
NSK
DESCRIPTION
Part Number Suffix
Part Number Suffix
Part No.
DESCRIPTION
ULTRA LIGHT DOUBLE
ROW CYLINDRICAL SERIES
EXTRA LIGHT DOUBLE
ROW CYLINDRICAL SERIES
EXTRA LIGHT SINGLE
ROW CYLINDRICAL SERIES
NON-METALLIC CAGE
BRASS CAGE
TAPERED BORE
LUBE GROOVE AND HOLES
ON OUTER RING
MATCHED CLEARANCE,
RINGS NOT TO BE MIXED
ABEC 7 PRECISION
INTERCHANGE
NSK
*OLD NSK
SKF
FAG
NTN
NN39XX
NN39XX
-
-
-
NN30XX
NN30XX
NN30XX
NN30XX
NN30XX
N10XX
TB
MB
KR
N10XX
T
M
K
N10XX
TN,TN9
BLANK
UPK
N10XX
M
K
N10XX
G1
K
E44
-
W33
S
-
CCX
P4
CCX
P4
CX
SP
CX
SP
CXNA
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.
Interchange — Spherical Roller Bearings
INTERCHANGE
Part Number
VERY LIGHT
LIGHT
LIGHT, WIDE
MEDIUM
MEDIUM, WIDE
HEAVY
HEAVY, WIDE
EXTRA HEAVY
EXTRA HEAVY, WIDE
Part Number Suffix
DESCRIPTION
BRONZE CAGE, ONE PIECE, GUIDE RING
BRONZE CAGE, TWO PIECE, GUIDE FLANGE
STEEL CAGE, TWO PIECE, GUIDE RING
POLYAMIDE CAGE, TWO PIECE
TAPERED BORE 1:12
TAPERED BORE 1:30
CARBURIZED STEEL, COMPLETE BEARING
CARBURIZED STEEL, INNER RING ONLY
LUBE GROOVE & HOLES OUTER RING
LUBE GROOVE & HOLES OUTER RING, INNER RING
HOLES ONLY OUTER RING
HOLES INNER RING & GROOVE
NO RELUBE FEATURES
PLUGS PROVIDED FOR OUTER RING HOLES
COMBINATION W33, W4, W31
COMBINATION W33, W31
COMBINATION W33, W26, W31
OUTER RING WITH EXTRA CLOSE RUNNING ACCURACY
INNER RING WITH EXTRA CLOSE RUNNING ACCURACY
INNER AND OUTER RING W/EXTRA CLOSE RUNNING ACCURACY
SPECIAL INSPECTION MEASURES
INNER RING AND OUTER RING HEAT STABILIZED TO 200°C
TIGHT CLEARANCE
NORMAL CLEARANCE
LOOSE CLEARANCE
EXTRA LOOSE CLEARANCE
NSK
SKF
TORR/FAF
FAG
239xx
230xx
240xx
231xx
241xx
222xx
232xx
213xx
223xx
239xx
230xx
240xx
231xx
241xx
222xx
232xx
213xx
223xx
239xx
230xx
240xx
231xx
241xx
222xx
232xx
213xx
223xx
239xx
230xx
240xx
231xx
241xx
222xx
232xx
213xx
223xx
CAM,AM
M
C,CD
H
K
K30
g
g3
E4
E7*
E3
E5
BLANK
E42
E4P55
E4U22
E7U22
P52
P53
P55
U22
S11
C2
BLANK
C3
C4
CA,CACM
MC
CJ,CC
-K
K30
ECD
ECB
W33
W513
W20
W26
BLANK
W77
C08507
W506
C08W509
C04
C02
C08
W31
S1
C2
BLANK
C3
C4
YM
BR
CJ,VJ
VCF
K
K
W40
W40I
W33
W33W94
W20
W94
BLANK
W84
C08W33W4W31
W33W31
W33W94W31
C04
C02
C08
W31
-C2
BLANK
C3
C4
M
MB
BLANK
TVPB
K
K30
W209
W209B
S
SH40AB
SY
H40AB
-H40
--SH40A
T52BN
T52BE
T52BW
--C2
BLANK
C3
C4
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 consult NSK Engineering. NSK assumes no liability with respect to errors or omissions.
NSK Corporation
4200 Goss Rd. P.O. Box 134007
Ann Arbor, Michigan 48113-4007
(734) 913-7500
Fax: (734) 913-7510
www.us.nsk.com
NSK Canada, Inc.
5585 McAdam Road
Mississauga, Ontario L4Z 1N4 Canada
(905) 890-0740
Fax: (905) 890-1938
www.ca.nsk.com
NSK Latin America
2500 NW 107 Avenue, Suite 300
305-477-0605
Fax: 305-477-0377
www.la.nsk.com
NSK Mexico
Minas Palacio No. 42-6
Col. San Antonio Zomeyucan Naucal de Jaurez
C.P. 53750 Estado de Mexico, Mexico
5-301-2741
Fax: 5-301-2244
www.mx.nsk.com
NSK Brazil
5-301-2741
Rua Treze de Mail
1633-14˚ andar-Bela Vista
Sao Paulo-SP
Brazil, 013227-905
011-3269-4723
Fax: 011-3269-4720
www.br.nsk.com
INT Reference ©NSK Americas 2004