SNR bearings

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SNR bearing

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SNR bearing

SNR bearing part number system

SNR bearing part number system

Part number system

Prefix Suffix Definition
. A SPECIAL INTERNAL DESIGN OR MANUFACTURING CODE.
. A50 SHIELDED OR SEALED BALL BEARING WITH PRESSED STEEL CAGE.
. B 40 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.
. B22 INTERNAL DESIGN FEATURE OF TAPERED ROLLER BEARINGS.
. B33 LUBRICATION GROOVE AND HOLES IN OUTER RING OF SPHERICAL ROLLER BEARINGS (=W33)
. BG UNIVERSAL PAIRING FOR ANGULAR CONTACT BALL BEARINGS (40 DEGREE CONTACT ANGLE).
. C INTERNAL DESIGN MODIFICATION FOR TAPERED ROLLER BEARINGS. 15 DEGREE ANGULAR CONTACT BALL BEARING.
. C12 INTERNAL DESIGN MODIFICATION FOR TAPERED ROLLER BEARINGS.
. D.. SPECIAL GREASE.
. DB BACK TO BACK PAIRING ("0" CONFIGURATION)
. DT TANDEM PAIRING.
. E INCREASED CAPACITY FOR CYLINDRICAL AND SPHERICAL ROLLER BEARINGS.
. E OR EE STANDARD SINGLE OR DOUBLE SEALS FOR BALL BEARINGS.
. E10 FRONT LIP SEAL FOR BALL BEARINGS.
. E16 FRONT LIP SEAL FOR TAPERED ROLLER BEARINGS.
. E22 SPECIAL RADIAL LIP SEAL.
. E3, E33 SINGLE OR DOUBLE SEALS FOR HIGH TEMPERATURE BALL BEARINGS.
. E30, E32 SPECIAL REINFORCED FRONT LIP SEAL.
. EX50 E10 SEAL PLUS E SEAL.
. F.. CODE COMBINING SEVERAL SPECIAL FEATURES.
. F107 MB - B33 - J30 (MB - W33 - C3)
. F245 MB - B33 - J40 (MB - W33 - C4)
. F600 SPECIAL BEARING FOR KILN CAR.
. F700 SPECIAL SHIELDED BALL BEARING FOR HIGH SPEED.
. F800 SPECIAL BEARING FOR VIBRATING MACHINES.
. FT150 SEALED SINGLE ROW RADIAL BALL BEARING, FOR TEMPERATURES UP TO 150 C DEGREES (300 DEGREES F).
. G.. SPECIAL CAGE.
. G13 ONE PIECE STEEL CAGE FOR CYLINDRICAL ROLLER BEARINGS.
. G14 POLYAMIDE CAGE
. G15 GLASS FIBRE REINFORCED PLOYAMIDE CAGE.
. G28 PRESSED STEEL CAGE FOR CYLIDICAL ROLLER BEARINGS.
. H 25 DEGREE CONTACT BALL BEARINGS.
. J RADIAL 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.
. JX0 SPECIAL RADIAL INTERNAL CLEARANCE.
. K 1/12 TAPERED BORE.
. K30 1/30 TAPERED BORE.
. LLS SPECIAL LABYRINTH SHIELDS FOR SPHERICAL OUTSIDE DIAMETER BEARINGS.
. M MACHINED BRASS CAGE, CENTERED ON THE ROLLING ELEMENTS.
. M SPECIAL MANUFACTURING QUALITY CONTROL.
. MA MACHINED BRASS CAGE, CENTERED ON THE ROLLING ELEMENTS.
. MB MACHINED BRASS CAGE, CENTERED ON THE INNER RING.
. N ISO STANDARD GROOVE IN OUTER RING FOR SNAP RING LOCATION.
. N2 TWO LOCATING SLOTS IN THE OUTER RING (QJ.. SERIES)
. NR(1) ISO STANDARD GROOVE IN OUTER RING WITH SNAP RING.
. P6X TAPERED ROLLER BEARINGS OF PRECISION CLASS ISO 6X.
. Q MODIFIED BORE.
. R MODIFIED CORNER RADIUS.
. R23 POINT OF MAXIMUM ECCENTRICITY MARKED ON THE INNER RING.
. S SPHERICAL OUTSIDE DIAMETER.
. S.. DESIGN CHANGE INDEX.
. T FLANGED OUTER RING.
. UA, UB DESIGN CHANGE INDICES.
. V INTERNAL DESIGN MODIFICATION.
. X STANDARD THRUST BEARINGS 51107 X AND 51206 X.
. Y POLYAMIDE CGAE, SEE G14
. Z, ZZ SINGLE OR DOUBLE PRESSED STEEL SHIELDS.
. Z11 PRESSED STEEL FLINGER FOR E10 SEAL.
. Z15 PRESSED 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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