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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
| Prefix | Suffix | Definition | | 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. | | E | B | SEPARATOR CAGE ROLLER ASSEMBLIES, SELF-CONTAINED IN THE OUTER RACE, WITH CYLINDRICAL SEPARABLE INNER RACE. | | E | E | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE. | | E | EMR | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, CYLINDRICAL INNER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE. | | E | U | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, CYLINDRICAL INNER RING, TWO LIP OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE. | | E | UMR | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, CYLINDRICAL INNER RING, TWO LIP OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE. | | L | B | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, ONE LIP INNER RING, CYLINDRICAL OUTER RING WITH 2 RETAINMENT RINGS, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE. | | L | J | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, ONE LIP INNER RING, ONE LIP OUTER RING WITH ONE RETAINING RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE. | | L | U | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, ONE LIP INNER RING, TWO LIP OUTER RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE. | | L | UMR | CYLINDRICAL 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. | | LP | U | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING WITH ONE LIP SEPARABLE, TWO LIP OUTER RING, TWO DIRECTION LOCATING, SEPARABLE, RETAINER TYPE. | | LP | UMR | CYLINDRICAL 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 | | U | B | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH 2 RETAINMENT RINGS, LOCATING, SELF-CONTAINED, RETAINER TYPE. | | U | BMR | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH 2 RETAINMENT RINGS, LOCATING, SELF-CONTAINED, RETAINER TYPE | | U | E | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE. | | U | EMR | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING, NON-LOCATING, SEPARABLE, RETAINER TYPE. | | U | J | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, ONE LIP OUTER RING, ONE RETAINMENT RING, LOCATING, NON-SEPARABLE, RETAINER TYPE. | | U | L | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, ONE LIP OUTER RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE. | | U | LMR | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, ONE LIP OUTER RING, ONE DIRECTION LOCATING, SEPARABLE, RETAINER TYPE. | | U | LP | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, TWO LIP OUTER RING WITH ONE LIP SEPARABLE, TWO DIRECTION LOCATING, SEPARABLE, RETAINER TYPE. | | U | LPMR | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, TWO LIP OUTER RING WITH ONE LIP SEPARABLE, TWO DIRECTION LOCATING, SEPARABLE, RETAINER TYPE. | | UM | B | CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH 2 RETAINMENT RINGS, LOCATING, SELF-CONTAINED, RETAINER-LESS. | | UM | J | CYLINDRICAL 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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