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Rollway bearing part number system

How to read ROLLWAY bearing numbers.

EXAMPLE: MUL-212

Cylindrical roller bearings one lip inner, two lip outer, bronze cage, basic bearing number 212.

EXAMPLE: L-1212-UMR

MR Max-roll type cylindrical roller bearing, one lip inner, two lip outer.

Part number system

PrefixSuffixDefinition
A.ROLLER ASSEMBLY WITH SPLIT OUTER RACE, NO INNER RACE.
AT.ROLLER THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, FLAT RACE SURFACE, SELF-ALIGNING WITH SEATING RING, RETAINER TYPE.
B.ROLLER ASSEMBLY WITH HARDENED AND GROUND OUTER RACE, NO INNER RACE.
CR.ROLLER THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, FLAT RACE SURFACE, RIGID, RETAINER TYPE, OUTER SLEEVE-CRANE HOOK.
CS.CYLINDRICAL ROLLER BEARING, SINGLE-ROW CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING NON-LOCATING, SEPARABLE, RETAINER TYPE.
D.COMPLETE BEARING ASSEMBLY WITH HARDENED AND GROUND INNER AND OUTER RACE.
DAT.ROLLER THRUST BEARING, DOUBLE-ROW, DOUBLE DIRECTION, FLAT RACE SURFACE, SELF-ALIGNING WITH TWO SEATING RINGS, CENTER WASHER HAS A SMALLER I.D. AND O.D. THAN OTHER WASHERS, INNER SLEEVE RESTS ON CENTER WASHER FACE.
DT.ROLLER THRUST BEARING, DOUBLE-ROW, DOUBLE DIRECTION, FLAT RACE SURFACE, RIGID, RETAINER TYPE, CENTER WASHER HAS A SMALLER O.D. AND I.D. THAN OTHER WASHERS, INNER SLEEVE RESTS ON FACE OF CENTER WASHER.
EBSEPARATOR CAGE ROLLER ASSEMBLIES, SELF-CONTAINED IN THE OUTER RACE, WITH CYLINDRICAL SEPARABLE INNER RACE.
EECYLINDRICAL ROLLER BEARING, SINGLE-ROW, CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE.
EEMRCYLINDRICAL ROLLER BEARING, SINGLE-ROW, CYLINDRICAL INNER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE.
EUCYLINDRICAL ROLLER BEARING, SINGLE-ROW, CYLINDRICAL INNER RING, TWO LIP OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE.
EUMRCYLINDRICAL ROLLER BEARING, SINGLE-ROW, CYLINDRICAL INNER RING, TWO LIP OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE.
LBCYLINDRICAL ROLLER BEARING, SINGLE-ROW, ONE LIP INNER RING, CYLINDRICAL OUTER RING WITH 2 RETAINMENT RINGS, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
LJCYLINDRICAL ROLLER BEARING, SINGLE-ROW, ONE LIP INNER RING, ONE LIP OUTER RING WITH ONE RETAINING RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
LUCYLINDRICAL ROLLER BEARING, SINGLE-ROW, ONE LIP INNER RING, TWO LIP OUTER RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
LUMRCYLINDRICAL ROLLER BEARING, SINGLE-ROW, ONE LIP INNER RING, TWO LIP OUTER RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
LL.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, ONE LIP INNER RING, ONE LIP OUTER RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
LPUCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING WITH ONE LIP SEPARABLE, TWO LIP OUTER RING, TWO DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
LPUMRCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING WITH ONE LIP SEPARABLE, TWO LIP OUTER RING, TWO DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
MACS.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, EXTERNAL SELF-ALIGNING WITH RING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE.
MAS.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, EXTERNAL SELF-ALIGNING WITH ALIGNING RING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH 2 RETAINMENT RINGS, LOCATING, SELF-CONTAINED, RETAINER TYPE.
MCS.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE.
ML.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, ONE LIP OUTER RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
MLC.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, CYLINDRICAL INNER RING, ONE LIP OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE.
MN.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, TWO LIP OUTER RING WITH ONE LIP SEPARABLE, TWO DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
MNL.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, ONE LIP INNER RING, TWO LIP OUTER RING WITH ONE LIP SEPARABLE, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
MO.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, CYLINDRICAL INNER RING, TWO LIP OUTER RING WITH ONE LIP SEPARABLE, NON-LOCATING, SEPARABLE, RETAINER TYPE.
MS.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH 2 RETAINMENT RINGS, LOCATING, SELF-CONTAINED, RETAINER TYPE.
MU.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING WITH ONE LIP SEPARABLE, TWO LIP OUTER RING, TWO DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
MUC.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, CYLINDRICAL INNER RING, TWO LIP OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE.
MUL.CYLINDRICAL ROLLER BEARING, SINGLE-ROW, ONE LIP INNER RING, TWO LIP OUTER RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
PA.ROLLER ASSEMBLY WITH HEAVY DUTY PLANISHED OUTER RACE, ON INNER RACE.
SDT.ROLLER THRUST BEARING, SINGLE-ROW, SIMPLIFIED DOUBLE-ACTING, FLAT RACE SURFACE, RIGID, RETAINER TYPE, INNER AND OUTER SLEEVES.
T.ROLLER THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, FLAT RACE SURFACE, RIGID, RETAINER TYPE
UBCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH 2 RETAINMENT RINGS, LOCATING, SELF-CONTAINED, RETAINER TYPE.
UBMRCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH 2 RETAINMENT RINGS, LOCATING, SELF-CONTAINED, RETAINER TYPE
UECYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE.
UEMRCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE.
UJCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, ONE LIP OUTER RING, ONE RETAINMENT RING, LOCATING, NON-SEPARABLE, RETAINER TYPE.
ULCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, ONE LIP OUTER RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
ULMRCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, ONE LIP OUTER RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
ULPCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, TWO LIP OUTER RING WITH ONE LIP SEPARABLE, TWO DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
ULPMRCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, TWO LIP OUTER RING WITH ONE LIP SEPARABLE, TWO DIRECTION LOCATING, SEPARABLE, RETAINER TYPE.
UMBCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH 2 RETAINMENT RINGS, LOCATING, SELF-CONTAINED, RETAINER-LESS.
UMJCYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH ONE LIP, ONE RETAINMENT RING, LOCATING, SELF-CONTAINED, RETAINERLESS.

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