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SKF Tapered roller bearings Prefixes


A     Assembly Complete assembly cups, cones and spacers.
A     Cone/Cup Standard basic series part number.
B     Assembly Non-separable bearing with rollers assembled with the inner race.
BR   Cone/Cup Bearings.
FW   Assembly Front wheel applications.
GRW      Assembly Rear wheel applications.
H        Cone/Cup Heavy series. (Non-interchangeable with  other cones or cups with same basic  part number.)
HH     Cone/Cup Heavy-heavy series. (Non-interchange-able with other cones or cups with same  basic part number).
HM     Cone/Cup Heavy-medium series. (Non-inter- changeable with other cones or cups  with same basic part number).
JH      Cone/Cup Metric heavy series.
JHM     Cone/Cup Metric heavy-medium series.
JL      Cone/Cup Metric light series.
JLM     Cone/Cup Metric light-medium series.
JM      Cone/Cup Metric medium series.
L     Cone/Cup Light series.
LL     Cone/Cup Light/light series.
LM     Cone/Cup Light-medium series.
M     Cone/Cup Medium series.
KA ,KB,  KC , KD , KR ,   Separable bearing with rollers assembled with the inner race.

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