ARN Trading Ltd t/a AHR International
Tel +44 (0)1727 738430
Fax +44 (0)1727 899394
AS9120 & ISO9001 Approved

NTN bearing part number system

Part number system

PrefixSuffixDefinition
.+AWITH SPACER FOR INCH SERIES DOUBLE TAPERED ROLLER BEARING
.+AHREMOVAL SLEEVE WITH MM THREAD
.+BHSPECIAL SLEEVE
.+HADAPTER SLEEVE WITH MM THREAD
.+IBEARING WITH SPACER, WIDTH OF SPACER IS - IN MM
.-0ASA GRADE CLASS 0 FOR TAPERED ROLLER BEARING
.-00ASA GRADE CLASS 00 FOR TAPERED ROLLER BEARING
.-2ASA GRADE CLASS 2 FOR TAPERED ROLLER BEARING
.-3ASA GRADE CLASS 3 FOR TAPERED ROLLER BEARING
.-AWITHOUT SPACER
./-SPECIAL O.D., SIZE - IN MM
./-SPECIAL BORE, SIZE - IN MM, EX. 1 -INCH BORE: /25.4
./1CLUBE. CHEVRON OIL, OHT
./1WLUBE. (/XG) , ANDERSON OIL, WINDSOR LUBE LUBE L-245X, MIL-L-6085A
./2ALUBE. SHELL OIL, ALVANIA #2, M1L-G-18709A
./2CLUBE. CHEVRON OIL, BRB #2, MIL-G-3545C
./2DLUBE. (XG) , DOW CORNING OIL, DC510 50CS FLUID, MIL-L-27694
./2PLUBE. (/XG) , W.R. AND C. CO., PLASTILUBE $2
./2TLUBE. (/XG) , NTN, DVL-1
./33PLUBE. (/XG,) DOW CORNING OIL, DC33M
./3ALUBE. SHELL OIL, ALVANIA #3
./3CLUBE. (/XG) , SHELL OIL, CYPRINA #3, MIL-G-18709A
./3DLUBE. (/XG) , DOW CORNING OIL, 3451 FL
./3ELUBE. EXXON OIL, BEACON 325
./3LLUBE., DOW CORNING OIL, DC33L
./3PLUBE. (/XG) , W.R. AND C. CO ., PLASTILUBE I3
./44LLUBE, (/XG) , DOW CORNING OIL, DC44L
./4ALUBE., SHELL OIL ALVANIA RA
./4CLUBE., TEXACO OIL, UNITEMP 500
./4ELUBE., EXXON OIL, ANDOK-260, MIL-G-3545C
./4LLUBE. (/XG) , DOW CORNING OIL, DC44M WITH MOS2 (5 PERCENT)
./4MLUBE., DOW CORNING OIL, DC44M, MIL-G-15719A
./5CLUBE., CHEVRON OIL, SRI 12, MIL-G-3545C
./6ALUBE. (/XG) , SHELL OIL DARINA 32
./7ALUBE. (/XG) , SHELL OIL, ALVANIA EP-1
./8ALUBE., SHELL OIL, ALVANIA EP-2
./8BLUBE. (/XG) , MOBIL OIL, MOBILPLEX 48
./8ELUBE. (/XG) , STANDARD OIL, RYKON 13
./ASF 12LUBE. (/XG) SHELL OIL. AERO SHELL FLUID #12, MJL-L-6085A
./GHHEAVY PRELOAD
./GLLIGHT PRELOAD
./GMMEDIUM PRELOAD
./GNNORMAL PRELOAD
./GXXSPECIAL PRELOAD, EX. /G8: 8KG, /G085: 85KG, /G50: 500KG
./IBLUBE. (/XG} , MOBIL OIL, BRB #1
./IDLUBE. (/XG) , DUPONT, CRYTOX 240 AB, MIL-G-38220
./IELUBE. EXXON OIL, ANDOK-C
./IKLUBE. KYOODOO OIL, MULTEMP PS S2
./L458 KYODO YUSHI USDA H-1 (FOOD APPROVED) TEMP. RANGE -20C TO +200C
./L596CHEVRON FM GREASE EP2 (FOOD APPROVED) TEMP. RANGE -20C TO + 150C
./LP03NTN SOLID GREASE IS NOT FOOD QUALITY
./LP06NTN SOLID GREASE , FOOD QUALITY , TEMP. RANGE -10C TO +80C (MAX. 100C OUTER RING TEMP.)
./OGLUBE. (/XG) , NO GREASE FOR DOUBLE SEALED OR SHIELDED BEARING
./XGSPECIAL GREASE REQUIRED
./ZGANY STANDARD GREASE, USUALLY 3A
.ACAGE GUIDED BY IN);ER OR OUTER RING
.AINTERNAL REDESIGN
.ACONTACT ANGLE 30 CEGREES FOR ANGULAR CONTACT BEARING
.BCAGE GUIDED BY ROJ LERS
.BINTERNAL REDESIGN
.BCONTACT ANGLE 40 CEGREES FOR ANGULAR CONTACT BEARING
.B3AFBMA GRADE ABEC-.
.B5AFBMA GRADE ABEC-.' OR RBEC-5
.B5PABEC-5 FOR MICRO ; EARING
.B7AFBMA GRADE ABEC-'
.B7PABEC-7 FOR MICRO ; EARING
.B9AFBMA GRADE ABEC-!
.BSOBRITISH STANDARD T LASS O
.CSPHERICAL ROLLER . EARING WITH SYMMETRICAL ROLLERS
.CHIGH CAPACITY DES. GN FOR RADIAL BALL BEARING
.CINTERNAL REDESIGN
.CCONTACT ANGLE 15 REGRESS FOR ANGULAR CONTACT BEARING
.C2RADIAL CLEARANCE ASS THAN NORRAAL
.C3RADIAL CLEARANCE REATER THAN NORMAL
.C4RADIAL CLEARANCE REATER THAN C3
.C5RADIAL CLEARANCE REATER THAN C4
.CACONTACT ANGLE 20 - EGREES FOR ANGULAR CONTACT BEARING
.CLRADIAL CLEARANCE . ESS THAN C2
.CMSPECIAL RADIAL CL ARANCE FOR ELECTRIC MOTOR BEARING
.CSSPECIAL RADIAL CL ARANCE, - IS MEAN VALUE IN 0.001 MM UNITS
.DOIL HOLES IN RINC
.D2TWO BEARINGS, PARALLEL MOUNTING
.D3THREE BEARINGS, PARALLEL MOUNTING
.DBDUPLEX PAIR, BAC.1 -CO-BACK MOUNTING
.DBFTHREE ANGULAR COI ACT BEARINGS -DB PAIR WITH THI) BEARING MOUNTED DF
.DBT.THREE ANGULAR COI -ACT BEARINGS -DB PAIR WITH THI: BEARING IN TANDEM
.DFDUPLEX PAIR, FACT TO-FACE MOUNTING
.DFTTHREE ANGULAR CO; 3CT BEARINGS -CONSISTING OF DF .AIR WITH .THIRA BEARING MOUNTED IN TANDEM
.DLBEARING WITH OIL ROOVE AND HERE'S IN OUTER RING
.DOBEARING WITHOUT 1 GROOVE ANR> HOLES IN OUTER RING
.DTDUPLEX PAIR, TANR .RA MOUNTING
.DTTTHREE ANGULAR CO: .ICT BEARINGS F.OUNTED IN TANDEM
.E2SPECIAL RACE CUR- .TURES (I.R. 1.04, O.R. L.OS)
.E2CROWNED OUTER RA, WAY (CYLINDRICAL TAPERED ROLLER BEARING)
.E3CROWNED OUTER RACEWAY AND ROLLERS (CYLINDRICAL AND TAPERED ROLLER BEARING,
.E4CROWNED INNER RACEWAY (CYLINDRICAL AND TAPERED ROLLER BEARING)
.E5CROWNED INNER RACEWAY AND ROLLERS (CYLINDRICAL AND TAPERED ROLLER BEARING)
.E6CROWNED INNER AND OUTER RACEWAY
.E7CROWNED RACEWAY AND ROLLERS
.ELCROWNED ROLLERS
.ELSPECIAL RACE CUR RURES (I.R. 1.02, O.R. 1.05) -
.FFELT SEAL ON ONE SIDE
.F2MACHINED STAINLESS STEEL CAGE
.F3MACHINED LEADED STEEL CAGE
.F4MACHINED DUCTILE IRON CAGE
.F5MACHINED CR - MO STEEL CAGE
.F6MACHINED NI - CR MO STEEL CAGE
.FFFELT SEALS ON BOTH SIDES
.FLMACHINED STEEL CAGES
.GSINGLE BEARING FLUSH GROUND SIDE SURFACES .
.GONE PIECE CAGE W. H BROACHED POCKETS
.G1ONE PIECE BRASS CAGE WITH BROACHED POCKETS FOR ROLLER BEARING
.G2PIN TYPE CAGE FOR ROLLER BEARINGS
.GD2 GLDUPLEX PAIR, FLUSH . GROUND SIDE SURFACES FOR DB, DF AND DT
.GDBDB DUPLEX PAIR, FLUSH GROUND LIDE SURFACE
.GDFDF DUPLEX PAIR, FLUSH GROUND SIDE SURFACE
.HMPOTENTIOMETER BEARING
.JPRESSED STEEL CAGE (NO SUFFIX FOR STANDARD DESIGN)
.J2MACHINED STEEL CAGE WITH SAME DESIGN AS J
.JLPRESSED STAINLESS STEEL CAGE
.JRRIVETED CAGE WHERE STANDARD SIZE IS USUALLY SPOT WELDED
.JSSPOT WELDED CAGE WHERE STANDARD SIZE IS USUALLY RIVETED
.KBEARING WITH A 1 TO TAPERED BORE EX. K30
.KBEARING WITH A 1 TO 12 TAPERED BORE
.LRUBBER SEAL (L TYPE) ON ONE SIDE
.L3MACHINED ALUMINUM BRASS CAGE
.L5MACHINED OIL-LESS BRONZE CAGE
.L6MACHINED-FORGED BRASS CAGE
.L7MACHINED IRON-SILICON BRONZE CAGE
.L8MACHINED BRASS BAR MATERIAL CAGE
.LBLUONE LB AND ONE LU SEALS
.LBZONE LB SEAL AND ONE "Z" SHIELD
.LCSEAL WITH GUARD PLATE AND RUBBER ON ONE SIDE
.LIMACHINED BRASS CAGE
.LIBLIGHT CONTACT RUBBER SEALS OH BOTH SIDES (BLACK)
.LLTWO RUBBER SEALS (BLACK)
.LLCMOLDED RUBBER SEAL WITH GUARD PLATES ON BOTH SIDES
.LLUDOUBLE-LIP CONTACT RUBBER SEALS ON BOTH SIDES (RUST COLOR)
.LUDOUBLE-LIP CONTACT RUBBER SEAL ON ONE SIDE
.LUAPOLYACRYLIC RUBBER SEAL ON ONE SIDE (BLUE COLOR)
.LUA1FLUOROCARBON RUBBER SEAL ON ONE SIDE (BROWN COLOR)
.LUA2SILICONE RUBBER SEAL ON ONE SIDE
.LUAXTIGHT CONTACT, POLYACRYLIC RUBBER SEAL ON ONE SIDE
.LUXTIGHT CONTACT DOUBLE-LIP RUBBER SEAL FOR FAN CLUTCH (GREEN)
.LUZONE LU SEAL AND ONE Z SHIELD
.M2ZINC PLATED CAGE
.M3NITRO-OXIDE TREATED CAGE
.MLPHOSPHATE TREATED CAGE
.NSNAP-RING GROOVE ON OUTER RING, BUT WITHOUT SNAP RING
.NARADIAL CLEARANCE OF CYLINDRICAL . ROLLER BEARING WITH NON-INTERCHANGEABLE COMPONENTS
.NRSNAP RING ON OUTER RING
.NRSSNAP RING ON THE SAME SIDE AS THE Z SHIELD (FOR BALL BEARING) OR ON OPPOSITE-SIDE OF KF FLANGE (FOR ROLLER BEARING')
.NSGROOVE ON SAME SIDE AS NRS BUT WITHOUT SNAP RING
.P4ISO GRADE CLASS 4, APPROX. ABEC-7
.P5ISO GRADE CLASS 5, APPROX. ABEC-5
.P6ISO GRADE CLASS 6, APPROX. ABEC-3
.PBPRESSED PHOSPHOR-BRONZE CAGE
.PMMIL-B-17931C SPECIFICATION FOR U.S. NAVY
.PXNSPECIAL TOLERANCE, EX. PX1 . PX2
.SNYLON SEAL ON ONE SIDE
.S2LOW TORQUE REQUIREMENT
.SSNYLON SEALS ON BOTH SIDES
.T2NYLON OR TEFLON CAGE
.T3MACHINED RULON CAGE
.TLMACHINED PHENOLIC CAGE
.U4 TOP DESIGN WITH THROUGH-HARDENED STEEL FOR ISO (MM) SERIES TAPERED ROLLER BEARING
.UANTN HEAVY DUTY SERIES, SPHERICAL ROLLER BEARING
.UPULTRA-SUPER TOLERANCE, OVER P4
.VWITHOUT CAGE (FULL ROLLER TYPE)
.VNSPECIAL REQUIREMENT "V" INVOLVES ALL SUFFIXES EXCEPT TOLERANCE SEAL, SNAP RING AND TAPERED BORE, EX. VI, V2
.WSLOT OR KNOCK OUT HOLE ON RING
.WLOIL HOLE GROOVE OR SLOT ON CAGE
.XSNAP RING AND GROOVE CHANGED
.XSEAL DESIGN CHANGED
.XCAGE DESIGN CHANGED
.XNCHAMFER CHANGED, EX. XI, X2
.YPRESSED BRASS OR BRONZE CAGE
.ZSHIELD ON ONE SIDE
.ZAREMOVABLE SHIELD HELD WITH SNAP RING ON ONE SIDE
.ZLSTAINLESS STEEL SHIELD ON ONE SIDE
.ZSZ SHIELD ON FILLING SLOT SIDE OF MAXIMUM TYPE BALL BEARING
.ZZTWO SHIELDS
.ZZ1STAINLESS STEEL SHIELDS ON BOTH SIDES
.ZZATWO REMOVABLE SHIELDS HELD WITH SNAP RINGS
.ZZA1TWO REMOVABLE STAINLESS STEEL SHIELDS
.ZZBDOUBLE SHIELDS ON BOTH SIDES
.ZZCSEALS 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 210F (100C TO 130C)
TS2.HEAT STABILIZATION FOR 265F TO 320F (130C TO 160C)
TS3.HEAT STABILIZATION FOR 320F TO 390F (160C TO 200C)
TS4.HEAT STABILIZATION FOR 390F TO 480F (200C TO 250C)
X.EXPERIMENTAL BEARING

Contact us now and let us show you exactly what we can do for you.

ARN Trading Ltd t/a AHR International 2010 All rights reserved