NTN bearings

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NTN bearing

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NTN bearing

NTN bearing part number system

NTN bearing part number system

Part number system

Prefix Suffix Definition
. +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
. -0 ASA GRADE CLASS 0 FOR TAPERED ROLLER BEARING
. -00 ASA GRADE CLASS 00 FOR TAPERED ROLLER BEARING
. -2 ASA GRADE CLASS 2 FOR TAPERED ROLLER BEARING
. -3 ASA GRADE CLASS 3 FOR TAPERED ROLLER BEARING
. -A WITHOUT SPACER
. /- SPECIAL O.D., SIZE - IN MM
. /- SPECIAL BORE, SIZE - IN MM, EX. 1 -INCH BORE: /25.4
. /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 CAGE GUIDED BY IN);ER OR OUTER RING
. A INTERNAL REDESIGN
. A CONTACT ANGLE 30 CEGREES FOR ANGULAR CONTACT BEARING
. 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
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)
X . EXPERIMENTAL BEARING


 

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