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AS9120 & ISO9001 Approved

SNR bearing part number system

Part number system

PrefixSuffixDefinition
.ASPECIAL INTERNAL DESIGN OR MANUFACTURING CODE.
.A50SHIELDED OR SEALED BALL BEARING WITH PRESSED STEEL CAGE.
.B40 DEGREE CONTACT ANGLE FOR ANGULAR CONTACT BALL BEARINGS (7200, 7300) AND 20 DEGREE FOR TAPERED ROLLER BEARINGS. DOUBLE ROW ANGULAR CONTACT BALL BEARING WITH FILLING SLOTS.
.B22INTERNAL DESIGN FEATURE OF TAPERED ROLLER BEARINGS.
.B33LUBRICATION GROOVE AND HOLES IN OUTER RING OF SPHERICAL ROLLER BEARINGS (=W33)
.BGUNIVERSAL PAIRING FOR ANGULAR CONTACT BALL BEARINGS (40 DEGREE CONTACT ANGLE).
.CINTERNAL DESIGN MODIFICATION FOR TAPERED ROLLER BEARINGS. 15 DEGREE ANGULAR CONTACT BALL BEARING.
.C12INTERNAL DESIGN MODIFICATION FOR TAPERED ROLLER BEARINGS.
.D..SPECIAL GREASE.
.DBBACK TO BACK PAIRING ("0" CONFIGURATION)
.DTTANDEM PAIRING.
.EINCREASED CAPACITY FOR CYLINDRICAL AND SPHERICAL ROLLER BEARINGS.
.E OR EESTANDARD SINGLE OR DOUBLE SEALS FOR BALL BEARINGS.
.E10FRONT LIP SEAL FOR BALL BEARINGS.
.E16FRONT LIP SEAL FOR TAPERED ROLLER BEARINGS.
.E22SPECIAL RADIAL LIP SEAL.
.E3, E33SINGLE OR DOUBLE SEALS FOR HIGH TEMPERATURE BALL BEARINGS.
.E30, E32SPECIAL REINFORCED FRONT LIP SEAL.
.EX50E10 SEAL PLUS E SEAL.
.F..CODE COMBINING SEVERAL SPECIAL FEATURES.
.F107MB - B33 - J30 (MB - W33 - C3)
.F245MB - B33 - J40 (MB - W33 - C4)
.F600SPECIAL BEARING FOR KILN CAR.
.F700SPECIAL SHIELDED BALL BEARING FOR HIGH SPEED.
.F800SPECIAL BEARING FOR VIBRATING MACHINES.
.FT150SEALED SINGLE ROW RADIAL BALL BEARING, FOR TEMPERATURES UP TO 150 C DEGREES (300 DEGREES F).
.G..SPECIAL CAGE.
.G13ONE PIECE STEEL CAGE FOR CYLINDRICAL ROLLER BEARINGS.
.G14POLYAMIDE CAGE
.G15GLASS FIBRE REINFORCED PLOYAMIDE CAGE.
.G28PRESSED STEEL CAGE FOR CYLIDICAL ROLLER BEARINGS.
.H25 DEGREE CONTACT BALL BEARINGS.
.JRADIAL INTERNAL CLEARANCE AND MANUFACTURING PRECISION. THE FIRST DIGIT DENOTES THE ISO RADIAL INTERNAL CLEARANCE CTAGORY.THESECOND DIGIT DENOTES THE ISO PRECISION CLASS, E.G. : J36: RADIAL INTERNAL CLEARANCE CATAGORY 3, ISO PRECISION CLASS 6 (ABEC 3). EQUIVALENTS: J20 = C2, J30 = C3, J40 = C4 AND J50 = C5.
.JX0SPECIAL RADIAL INTERNAL CLEARANCE.
.K1/12 TAPERED BORE.
.K301/30 TAPERED BORE.
.LLSSPECIAL LABYRINTH SHIELDS FOR SPHERICAL OUTSIDE DIAMETER BEARINGS.
.MMACHINED BRASS CAGE, CENTERED ON THE ROLLING ELEMENTS.
.MSPECIAL MANUFACTURING QUALITY CONTROL.
.MAMACHINED BRASS CAGE, CENTERED ON THE ROLLING ELEMENTS.
.MBMACHINED BRASS CAGE, CENTERED ON THE INNER RING.
.NISO STANDARD GROOVE IN OUTER RING FOR SNAP RING LOCATION.
.N2TWO LOCATING SLOTS IN THE OUTER RING (QJ.. SERIES)
.NR(1)ISO STANDARD GROOVE IN OUTER RING WITH SNAP RING.
.P6XTAPERED ROLLER BEARINGS OF PRECISION CLASS ISO 6X.
.QMODIFIED BORE.
.RMODIFIED CORNER RADIUS.
.R23POINT OF MAXIMUM ECCENTRICITY MARKED ON THE INNER RING.
.SSPHERICAL OUTSIDE DIAMETER.
.S..DESIGN CHANGE INDEX.
.TFLANGED OUTER RING.
.UA, UBDESIGN CHANGE INDICES.
.VINTERNAL DESIGN MODIFICATION.
.XSTANDARD THRUST BEARINGS 51107 X AND 51206 X.
.YPOLYAMIDE CGAE, SEE G14
.Z, ZZSINGLE OR DOUBLE PRESSED STEEL SHIELDS.
.Z11PRESSED STEEL FLINGER FOR E10 SEAL.
.Z15PRESSED STEEL FLINGER FOR E10 AND E16 SEALS.
CM.CONE ASSEMBLY OF TAPERED ROLLER BEARING
CUV.CUP OF TAPERED ROLLER BEARING
D.TAPERED ROLLER TWIN LINE DERIVED FROM STANDARD BEARINGS
JT.SEAL
N,NJ,NF,NU,NUP.STANDARD CYLINDRICAL ROLLER BEARINGS.
N.. OR ..N.SPECIAL GROOVE ON THE OUTSIDE DIAMETER
Q.. OR ..Q.NON ISO BORE DIAMETER.
R.. OR ..R.SPECIAL CORNER RADII.
RN.CYLINDRICAL ROLLER BEARING WITHOUT OUTER RING.
RNU.CYLINDRICAL ROLLER BEARING WITHOUT INNER RING.
T.ISO STANDARD TAPERED ROLLER BEARING. TAPERED ROLLER THRUST BEARINGS WITH OUTSIDE RETAINER.
T.. OR ..T.BEARING WITH A NON-STANDARD FLANGED OUTER RING.
X.. OR ..X.NON STANDARD MODIFICATION OF THE BEARING ENVELOPE.
X.. OR ..X.NON STANDARD MODIFICATION OF THE BEARING ENVELOPE.
X..D.TAPERED ROLLER TWIN LINE WITH NON STANDARD ENVELOPE.
Y.. OR ..Y.MATERIAL MODIFICATION AND/OR SPECIAL HEAT TREATMENT (SPECIAL APPLICATIONS).

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