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Ball and Roller Bearing Company part number system

Part number system

PrefixSuffixDefinition
A.BALL THRUST BEARINGS, FLAT RACE SURFACE, FLAT SEAT, WITH BRONZE BALL RETAINER.
AA.BALL THRUST BEARINGS, GROOVED RACE SURFACE, FLAT SEAT, WITH SOLID MACHINED RETAINER, SPECIAL SERIES.
AH.BALL THRUST BEARING, GROOVED RACE SURFACE, FLAT SEAT, SOLID MACHINED RETAINER, HEAVY SERIES.
AL.BALL THRUST BEARING, GROOVED RACE SURFACE, FLAT SEAT, WITH SOLID MACHINED RETAINER, LIGHT SERIES.
AM.BALL THRUST BEARING, GROOVED RACE SURFACE, FLAT SEAT, WITH SOLID MACHINED RETAINER, MEDIUM SERIES.
B.LOCATING WASHER FOR USE WITH BALL THRUST BEARING (FOR TYPE BB BEARINGS) .
B.BALL THRUST BEARING, BANDED OUTSIDE DIAMETER, GROOVED RACE SURFACE, FLAT SEAT, NO RETAINER.
BB.BALL THRUST BEARING, GROOVED RACE SURFACE, SPHERICAL SEAT, SOLID MACHINED RETAINER, SPECIAL LIGHT SERIES.
BH.BALL THRUST BEARING, GROOVED RACE SURFACE, SPHERICAL SEAT, SOLID MACHINED RETAINER, HEAVY SERIES.
BL.BALL THRUST BEARING, GROOVED RACE SURFACE, SPHERICAL SEAT, SOLID MACHINED RETAINER, LIGHT SERIES.
BM.BALL THRUST BEARING, GROOVED RACE SURFACE, SPHERICAL SEAT, SOLID MACHINED RETAINER, MEDIUM SERIES.
C.BALL THRUST BEARING, GROOVED RACE SURFACE, FLAT SEAT, WITH BRONZE AND/OR PRESSED STEEL BALL RETAINER.
CH.BALL THRUST BEARING, DOUBLE DIRECTION GROOVED RACE SURFACE, FLAT SEAT. MIDDLE WASHER LOCKED TO SHAFT, HEAVY SERIES.
CL.BALL THRUST BEARING, DOUBLE DIRECTION, GROOVED RACE SURFACE, FLAT SEAT. MIDDLE WASHER LOCKED TO SHAFT, LIGHT SERIES.
CM.BALL THRUST BEARING, DOUBLE DIRECTION, GROOVED RACE SURFACE, FLAT SEAT. MIDDLE WASHER LOCKED TO SHAFT, MEDIUM SERIES.
D.BALL THRUST BEARING, BANDED OUTSIDE DIAMETER, GROOVED RACE SURFACE, FLAT SEAT, NO RETAINER.
DH.BALL THRUST BEARING, DOUBLE DIRECTION, GROOVED RACE SURFACE, SPHERICAL SEAT, MIDDLE WASHER LOCKED TO SHAFT, HEAVY SERIES.
DL.BALL THRUST BEARING, DOUBLE DIRECTION, GROOVED RACE SURFACE, SPHERICAL SEAT, MIDDLE WASHER LOCKED TO SHAFT, LIGHT SERIES.
DM.BALL THRUST BEARING, DOUBLE DIRECTION, GROOVED RACE SURFACE, SPHERICAL SEAT, MIDDLE WASHER LOCKED TO SHAFT, MEDIUM SERIES.
E.ROLLER THRUST BEARING, FLAT SEAT, FLAT RACE SURFACES AND WITH SPHERICAL SEAT.
EL.BALL THRUST BEARING, DOUBLE DIRECTION, GROOVED RACE SURFACE, FLAT SEAT, MIDDLE WASHER LOCKED IN HOUSING, LIGHT SERIES.
FL.BALL THRUST BEARING, DOUBLE DIRECTION, GROOVED RACE SURFACE, SPHERICAL SEAT, MIDDLE WASHER LOCKED IN HOUSING, LIGHT SERIES.
H.LOCATING WASHER FOR USE WITH BALL THRUST BEARINGS (FOR TYPE BH AND DH BEARINGS) .
L.LOCATING WASHER FOR USE WITH BALL THRUST BEARINGS (FOR TYPE BL, DL,AND FL BEARINGS).
M.LOCATING WASHER FOR USE WITH BALL THRUST BEARINGS (FOR TYPE BM AND DM BEARINGS) .
W.BALL THRUST BEARING, GROOVED RACE SURFACE, FLAT SEAT WITH BRONZE AND/OR PRESSED STEEL BALL RETAINER, MEDIUM SERIES.
XW.BALL THRUST BEARING, GROOVED RACE SURFACE, FLAT SEAT WITH BRONZE AND/OR PRESSED STEEL BALL RETAINER, LIGHT TO MEDIUM SERIES.

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