Wheel bearing (closed 47x14x20) small model, various types:
Front BSA : B25/B31 Swinging arm, B40 all with full width hubs, B25/B44/B50/A65/A75 all with conical hubs, B31/B33/A7/A10 Swinging arm, B40/A50/A65 all with full width cast iron hubs, B44/A75 with full width TLS cast iron hubs,
Rear BSA : B25/B44/B50/A65/A75 all with conical hubs, A75 with spool hub
Front Triumph : 3T/T85 (1946-50), Pre Unit twins all with half width hubs, 350/500 Unit twins, Unit T120/TR6, T150(TLS) all with full width hubs, TR5T (1974), Unit T120/TR6, T150 all with conical hubs
Rear Triumph: 350/500 Unit twins, Pre Unit twins, Unit T120/TR6, T150 all with Spool Hub with bolt on sprocket & drum, TR5T (1974), Unit T120/TR6, T140/TR7, T150 all with conical hubs.
Part numbers: 42-5819, 37-0653, 37-653 and 06-5541.