| Prefix |
Suffix |
Definition |
| 1C |
|
CARBON STEEL OUTER RING |
| 2C |
|
CARBON STEEL FOR INNER AND OUTER RINGS |
| 2E |
|
CASE HARDENED STEEL FOR INNER AND OUTER RINGS (CARBURIZED) |
| 2F |
|
STAINLESS STEEL INNER AND OUTER RINGS |
| 2H |
|
HIGH TEMP, TOOL STEEL FOR INNER AND OUTER RINGS |
| 2M |
|
PLATING ON INNER AND OUTER RINGS |
| 2N |
|
SPECIAL MATERIAL FOR INNER AND OUTER RINGS |
| 3A |
|
AS TREATMENT FOR INNER RING AND BALLS |
| 3C |
|
CARBON STEEL FOR INNER RING AND ROLLERS |
| 3E |
|
CASE HARDENED STEEL INNER RING AND ROLLERS |
| 3F |
|
STAINLESS STEEL INNER RING AND BALLS |
| 3H |
|
HIGH TEMPERATURE TOOL STEEL INNER RING AND BALLS |
| 3M |
|
PLATING ON INNER RING AND BALLS |
| 3N |
|
SPECIAL MATERIAL FOR INNER RING AND ROLLERS |
| 4C |
|
CARBON STEEL OUTER RING AND ROLLERS |
| 4E |
|
CASE HARDENED STEEL OUTER RING AND ROLLERS |
| 4F |
|
STAINLESS STEEL OUTER RING AND BALLS |
| 4H |
|
HIGH TEMP, TOOL STEEL OUTER RING AND ROLLERS |
| 4M |
|
PLATING ON OUTER RING AND BALLS |
| 4N |
|
SPECIAL MATERIAL FOR OUTER RING AND ROLLERS |
| 4T |
|
NTN 4 TOP TAPERED ROLLER BEARING CASE HARDENED SPECIAL MATERIAL |
| 5C |
|
CARBON STEEL ROLLERS |
| 5E |
|
CASE HARDENED STEEL ROLLERS |
| 5F |
|
STAINLESS STEEL BALLS |
| 5H |
|
HIGH TEMPERATURE TOOL STEEL ROLLERS |
| 5M |
|
PLATING ON BALLS |
| 5N |
|
SPECIAL MATERIAL FOR ROLLERS |
| 6A |
|
AS TREATMENT FOR INNER RING |
| 6C |
|
CARBON STEEL INNER RING |
| 6E |
|
CASE HARDENED STEEL INNER RING |
| 6F |
|
STAINLESS STEEL INNER RING |
| 6H |
|
HIGH TEMPERATURE TOOL STEEL INNER RING |
| 6M |
|
PLATING ON INNER RING |
| 6N |
|
SPECIAL MATERIAL FOR INNER RING |
| 7H |
|
HIGH TEMPERATURE TOOL STEEL OUTER RING |
| 7M |
|
PLATING ON OUTER RING |
| 7N |
|
SPECIAL MATERIAL FOR OUTER RING |
| 8E |
|
CASE HARDENED STEEL FOR LOOSE FLANGE |
| A |
|
AS TREATMENT FOR RINGS AND BALLS |
| C |
|
CARBON STEEL FOR RINGS AND ROLLERS |
| E |
|
CASE HARDENED STEEL FOR RINGS AND ROLLERS |
| EC |
|
EXPANSION COMPENSATING BEARING |
| F |
|
STAINLESS STEEL RINGS AND BALLS |
| FN |
|
DESIGN BASED ON FAFNIR-NTN LICENSE |
| H |
|
HIGH TEMPERATURE TOOL STEEL FOR RINGS AND BALLS |
| IE |
|
CASE HARDENED STEEL OUTER RING |
| IF |
|
STAINLESS STEEL OUTER RING |
| K |
|
HIGH FREQUENCY INDUCTION HARDENING |
| KG |
|
INDUCTION HARDENED CARBON STEEL (K2C-, K3C-, ETC.) |
| M |
|
PLATING ON RINGS AND BALLS |
| N |
|
SPECIAL MATERIAL |
| SA |
|
AS TREATMENT FOR BALLS |
| T |
|
ASA SERIES TAPERED ROLLER BRG. INTERCHANGEABLE DESIGN WITH U.S. STD. |
| TK |
|
HIGH SPEED TURBINE BEARING (DN 500,000) |
| TS1 |
|
HEAT STABILIZATION FOR 210°F (100°C TO 130°C) |
| TS2 |
|
HEAT STABILIZATION FOR 265°F TO 320°F (130°C TO 160°C) |
| TS3 |
|
HEAT STABILIZATION FOR 320°F TO 390°F (160°C TO 200°C) |
| TS4 |
|
HEAT STABILIZATION FOR 390°F TO 480°F (200°C TO 250°C) |
| |
-3 |
ASA GRADE CLASS 3 FOR TAPERED ROLLER BEARING |
| |
-2 |
ASA GRADE CLASS 2 FOR TAPERED ROLLER BEARING |
| |
/1C |
LUBE. CHEVRON OIL, OHT |
| |
/1W |
LUBE. (/XG) , ANDERSON OIL, WINDSOR LUBE LUBE L-245X, MIL-L-6085A |
| |
/2A |
LUBE. SHELL OIL, ALVANIA #2, M1L-G-18709A |
| |
/2C |
LUBE. CHEVRON OIL, BRB #2, MIL-G-3545C |
| |
/2D |
LUBE. (XG) , DOW CORNING OIL, DC510 50CS FLUID, MIL-L-27694 |
| |
/2P |
LUBE. (/XG) , W.R. AND C. CO., PLASTILUBE $2 |
| |
/2T |
LUBE. (/XG) , NTN, DVL-1 |
| |
/33P |
LUBE. (/XG,) DOW CORNING OIL, DC33M |
| |
/3A |
LUBE. SHELL OIL, ALVANIA #3 |
| |
/3C |
LUBE. (/XG) , SHELL OIL, CYPRINA #3, MIL-G-18709A |
| |
/3D |
LUBE. (/XG) , DOW CORNING OIL, 3451 FL |
| |
/3E |
LUBE. EXXON OIL, BEACON 325 |
| |
/3L |
LUBE., DOW CORNING OIL, DC33L |
| |
/3P |
LUBE. (/XG) , W.R. AND C. CO ., PLASTILUBE I3 |
| |
/44L |
LUBE, (/XG) , DOW CORNING OIL, DC44L |
| |
/4A |
LUBE., SHELL OIL ALVANIA RA |
| |
/4C |
LUBE., TEXACO OIL, UNITEMP 500 |
| |
/4E |
LUBE., EXXON OIL, ANDOK-260, MIL-G-3545C |
| |
/4L |
LUBE. (/XG) , DOW CORNING OIL, DC44M WITH MOS2 (5 PERCENT) |
| |
/4M |
LUBE., DOW CORNING OIL, DC44M, MIL-G-15719A |
| |
/5C |
LUBE., CHEVRON OIL, SRI 12, MIL-G-3545C |
| |
/6A |
LUBE. (/XG) , SHELL OIL DARINA 32 |
| |
/7A |
LUBE. (/XG) , SHELL OIL, ALVANIA EP-1 |
| |
/8A |
LUBE., SHELL OIL, ALVANIA EP-2 |
| |
/8B |
LUBE. (/XG) , MOBIL OIL, MOBILPLEX 48 |
| |
/8E |
LUBE. (/XG) , STANDARD OIL, RYKON 13 |
| |
/ASF 12 |
LUBE. (/XG) SHELL OIL. AERO SHELL FLUID #12, MJL-L-6085A |
| |
/GH |
HEAVY PRELOAD |
| |
/GL |
LIGHT PRELOAD |
| |
/GM |
MEDIUM PRELOAD |
| |
/GN |
NORMAL PRELOAD |
| |
/GXX |
SPECIAL PRELOAD, EX. /G8: 8KG, /G085: 85KG, /G50: 500KG |
| |
/IB |
LUBE. (/XG} , MOBIL OIL, BRB #1 |
| |
/ID |
LUBE. (/XG) , DUPONT, CRYTOX 240 AB, MIL-G-38220 |
| |
/IE |
LUBE. EXXON OIL, ANDOK-C |
| |
/IK |
LUBE. KYOODOO OIL, MULTEMP PS S2 |
| |
/L458 |
KYODO YUSHI USDA H-1 (FOOD APPROVED) TEMP. RANGE -20°C TO +200°C |
| |
/L596 |
CHEVRON FM GREASE EP2 (FOOD APPROVED) TEMP. RANGE -20°C TO + 150°C |
| |
/LP03 |
NTN SOLID GREASE IS NOT FOOD QUALITY |
| |
/LP06 |
NTN SOLID GREASE , FOOD QUALITY , TEMP. RANGE -10°C TO +80°C (MAX. 100°C OUTER RING TEMP.) |
| |
/OG |
LUBE. (/XG) , NO GREASE FOR DOUBLE SEALED OR SHIELDED BEARING |
| |
/XG |
SPECIAL GREASE REQUIRED |
| |
/ZG |
ANY STANDARD GREASE, USUALLY 3A |
| |
+A |
WITH SPACER FOR INCH SERIES DOUBLE TAPERED ROLLER BEARING |
| |
+AH |
REMOVAL SLEEVE WITH MM THREAD |
| |
+BH |
SPECIAL SLEEVE |
| |
+H |
ADAPTER SLEEVE WITH MM THREAD |
| |
+I |
BEARING WITH SPACER, WIDTH OF SPACER IS - IN MM |
| |
A |
CAGE GUIDED BY IN);ER OR OUTER RING |
| |
A |
INTERNAL REDESIGN |
| |
A |
CONTACT ANGLE 30 CEGREES FOR ANGULAR CONTACT BEARING |
| |
-A |
WITHOUT SPACER |
| |
B |
CAGE GUIDED BY ROJ LERS |
| |
B |
INTERNAL REDESIGN |
| |
B |
CONTACT ANGLE 40 CEGREES FOR ANGULAR CONTACT BEARING |
| |
B3 |
AFBMA GRADE ABEC-. |
| |
B5 |
AFBMA GRADE ABEC-.' OR RBEC-5 |
| |
B5P |
ABEC-5 FOR MICRO ; EARING |
| |
B7 |
AFBMA GRADE ABEC-' |
| |
B7P |
ABEC-7 FOR MICRO ; EARING |
| |
B9 |
AFBMA GRADE ABEC-! |
| |
BSO |
BRITISH STANDARD T LASS O |
| |
C |
SPHERICAL ROLLER . EARING WITH SYMMETRICAL ROLLERS |
| |
C |
HIGH CAPACITY DES. GN FOR RADIAL BALL BEARING |
| |
C |
INTERNAL REDESIGN |
| |
C |
CONTACT ANGLE 15 REGRESS FOR ANGULAR CONTACT BEARING |
| |
C2 |
RADIAL CLEARANCE ASS THAN NORRAAL |
| |
C3 |
RADIAL CLEARANCE REATER THAN NORMAL |
| |
C4 |
RADIAL CLEARANCE REATER THAN C3 |
| |
C5 |
RADIAL CLEARANCE REATER THAN C4 |
| |
CA |
CONTACT ANGLE 20 - EGREES FOR ANGULAR CONTACT BEARING |
| |
CL |
RADIAL CLEARANCE . ESS THAN C2 |
| |
CM |
SPECIAL RADIAL CL ARANCE FOR ELECTRIC MOTOR BEARING |
| |
CS |
SPECIAL RADIAL CL ARANCE, - IS MEAN VALUE IN 0.001 MM UNITS |
| |
D |
OIL HOLES IN RINC |
| |
D2 |
TWO BEARINGS, PARALLEL MOUNTING |
| |
D3 |
THREE BEARINGS, PARALLEL MOUNTING |
| |
DB |
DUPLEX PAIR, BAC.1 -CO-BACK MOUNTING |
| |
DBF |
THREE ANGULAR COI ACT BEARINGS -DB PAIR WITH THI) BEARING MOUNTED DF |
| |
DBT |
.THREE ANGULAR COI -ACT BEARINGS -DB PAIR WITH THI: BEARING IN TANDEM |
| |
DF |
DUPLEX PAIR, FACT TO-FACE MOUNTING |
| |
DFT |
THREE ANGULAR CO; 3CT BEARINGS -CONSISTING OF DF .AIR WITH .THIRA BEARING MOUNTED IN TANDEM |
| |
DL |
BEARING WITH OIL ROOVE AND HERE'S IN OUTER RING |
| |
DO |
BEARING WITHOUT 1 GROOVE ANR> HOLES IN OUTER RING |
| |
DT |
DUPLEX PAIR, TANR .RA MOUNTING |
| |
DTT |
THREE ANGULAR CO: .ICT BEARINGS F.OUNTED IN TANDEM |
| |
E2 |
SPECIAL RACE CUR- .TURES (I.R. 1.04, O.R. L.OS) |
| |
E2 |
CROWNED OUTER RA, WAY (CYLINDRICAL TAPERED ROLLER BEARING) |
| |
E3 |
CROWNED OUTER RACEWAY AND ROLLERS (CYLINDRICAL AND TAPERED ROLLER BEARING, |
| |
E4 |
CROWNED INNER RACEWAY (CYLINDRICAL AND TAPERED ROLLER BEARING) |
| |
E5 |
CROWNED INNER RACEWAY AND ROLLERS (CYLINDRICAL AND TAPERED ROLLER BEARING) |
| |
E6 |
CROWNED INNER AND OUTER RACEWAY |
| |
E7 |
CROWNED RACEWAY AND ROLLERS |
| |
EL |
CROWNED ROLLERS |
| |
EL |
SPECIAL RACE CUR RURES (I.R. 1.02, O.R. 1.05) - |
| |
F |
FELT SEAL ON ONE SIDE |
| |
F2 |
MACHINED STAINLESS STEEL CAGE |
| |
F3 |
MACHINED LEADED STEEL CAGE |
| |
F4 |
MACHINED DUCTILE IRON CAGE |
| |
F5 |
MACHINED CR - MO STEEL CAGE |
| |
F6 |
MACHINED NI - CR MO STEEL CAGE |
| |
FF |
FELT SEALS ON BOTH SIDES |
| |
FL |
MACHINED STEEL CAGES |
| |
G |
SINGLE BEARING FLUSH GROUND SIDE SURFACES . |
| |
G |
ONE PIECE CAGE W. H BROACHED POCKETS |
| |
G1 |
ONE PIECE BRASS CAGE WITH BROACHED POCKETS FOR ROLLER BEARING |
| |
G2 |
PIN TYPE CAGE FOR ROLLER BEARINGS |
| |
GD2 GL |
DUPLEX PAIR, FLUSH . GROUND SIDE SURFACES FOR DB, DF AND DT |
| |
GDB |
DB DUPLEX PAIR, FLUSH GROUND LIDE SURFACE |
| |
GDF |
DF DUPLEX PAIR, FLUSH GROUND SIDE SURFACE |
| |
HM |
POTENTIOMETER BEARING |
| |
J |
PRESSED STEEL CAGE (NO SUFFIX FOR STANDARD DESIGN) |
| |
J2 |
MACHINED STEEL CAGE WITH SAME DESIGN AS J |
| |
JL |
PRESSED STAINLESS STEEL CAGE |
| |
JR |
RIVETED CAGE WHERE STANDARD SIZE IS USUALLY SPOT WELDED |
| |
JS |
SPOT WELDED CAGE WHERE STANDARD SIZE IS USUALLY RIVETED |
| |
K |
BEARING WITH A 1 TO TAPERED BORE EX. K30 |
| |
K |
BEARING WITH A 1 TO 12 TAPERED BORE |
| |
L |
RUBBER SEAL (L TYPE) ON ONE SIDE |
| |
L3 |
MACHINED ALUMINUM BRASS CAGE |
| |
L5 |
MACHINED OIL-LESS BRONZE CAGE |
| |
L6 |
MACHINED-FORGED BRASS CAGE |
| |
L7 |
MACHINED IRON-SILICON BRONZE CAGE |
| |
L8 |
MACHINED BRASS BAR MATERIAL CAGE |
| |
LBLU |
ONE LB AND ONE LU SEALS |
| |
LBZ |
ONE LB SEAL AND ONE "Z" SHIELD |
| |
LC |
SEAL WITH GUARD PLATE AND RUBBER ON ONE SIDE |
| |
LI |
MACHINED BRASS CAGE |
| |
LIB |
LIGHT CONTACT RUBBER SEALS OH BOTH SIDES (BLACK) |
| |
LL |
TWO RUBBER SEALS (BLACK) |
| |
LLC |
MOLDED RUBBER SEAL WITH GUARD PLATES ON BOTH SIDES |
| |
LLU |
DOUBLE-LIP CONTACT RUBBER SEALS ON BOTH SIDES (RUST COLOR) |
| |
LU |
DOUBLE-LIP CONTACT RUBBER SEAL ON ONE SIDE |
| |
LUA |
POLYACRYLIC RUBBER SEAL ON ONE SIDE (BLUE COLOR) |
| |
LUA1 |
FLUOROCARBON RUBBER SEAL ON ONE SIDE (BROWN COLOR) |
| |
LUA2 |
SILICONE RUBBER SEAL ON ONE SIDE |
| |
LUAX |
TIGHT CONTACT, POLYACRYLIC RUBBER SEAL ON ONE SIDE |
| |
LUX |
TIGHT CONTACT DOUBLE-LIP RUBBER SEAL FOR FAN CLUTCH (GREEN) |
| |
LUZ |
ONE LU SEAL AND ONE Z SHIELD |
| |
M2 |
ZINC PLATED CAGE |
| |
M3 |
NITRO-OXIDE TREATED CAGE |
| |
ML |
PHOSPHATE TREATED CAGE |
| |
N |
SNAP-RING GROOVE ON OUTER RING, BUT WITHOUT SNAP RING |
| |
NA |
RADIAL CLEARANCE OF CYLINDRICAL . ROLLER BEARING WITH NON-INTERCHANGEABLE COMPONENTS |
| |
NR |
SNAP RING ON OUTER RING |
| |
NRS |
SNAP RING ON THE SAME SIDE AS THE Z SHIELD (FOR BALL BEARING) OR ON OPPOSITE-SIDE OF KF FLANGE (FOR ROLLER BEARING') |
| |
NS |
GROOVE ON SAME SIDE AS NRS BUT WITHOUT SNAP RING |
| |
P4 |
ISO GRADE CLASS 4, APPROX. ABEC-7 |
| |
P5 |
ISO GRADE CLASS 5, APPROX. ABEC-5 |
| |
P6 |
ISO GRADE CLASS 6, APPROX. ABEC-3 |
| |
PB |
PRESSED PHOSPHOR-BRONZE CAGE |
| |
PM |
MIL-B-17931C SPECIFICATION FOR U.S. NAVY |
| |
PXN |
SPECIAL TOLERANCE, EX. PX1 . PX2 |
| |
S |
NYLON SEAL ON ONE SIDE |
| |
S2 |
LOW TORQUE REQUIREMENT |
| |
SS |
NYLON SEALS ON BOTH SIDES |
| |
T2 |
NYLON OR TEFLON CAGE |
| |
T3 |
MACHINED RULON CAGE |
| |
TL |
MACHINED PHENOLIC CAGE |
| |
U |
4 TOP DESIGN WITH THROUGH-HARDENED STEEL FOR ISO (MM) SERIES TAPERED ROLLER BEARING |
| |
UA |
NTN HEAVY DUTY SERIES, SPHERICAL ROLLER BEARING |
| |
UP |
ULTRA-SUPER TOLERANCE, OVER P4 |
| |
V |
WITHOUT CAGE (FULL ROLLER TYPE) |
| |
VN |
SPECIAL REQUIREMENT "V" INVOLVES ALL SUFFIXES EXCEPT TOLERANCE SEAL, SNAP RING AND TAPERED BORE, EX. VI, V2 |
| |
W |
SLOT OR KNOCK OUT HOLE ON RING |
| |
WL |
OIL HOLE GROOVE OR SLOT ON CAGE |
| |
X |
SNAP RING AND GROOVE CHANGED |
| |
X |
SEAL DESIGN CHANGED |
| |
X |
CAGE DESIGN CHANGED |
| |
XN |
CHAMFER CHANGED, EX. XI, X2 |
| |
Y |
PRESSED BRASS OR BRONZE CAGE |
| |
Z |
SHIELD ON ONE SIDE |
| |
ZA |
REMOVABLE SHIELD HELD WITH SNAP RING ON ONE SIDE |
| |
ZL |
STAINLESS STEEL SHIELD ON ONE SIDE |
| |
ZS |
Z SHIELD ON FILLING SLOT SIDE OF MAXIMUM TYPE BALL BEARING |
| |
ZZ |
TWO SHIELDS |
| |
ZZ1 |
STAINLESS STEEL SHIELDS ON BOTH SIDES |
| |
ZZA |
TWO REMOVABLE SHIELDS HELD WITH SNAP RINGS |
| |
ZZA1 |
TWO REMOVABLE STAINLESS STEEL SHIELDS |
| |
ZZB |
DOUBLE SHIELDS ON BOTH SIDES |
| |
ZZC |
SEALS OF PLATE AND RUBBER HALF CIRCLE EACH ON BOTH SIDES |
