| BS4018 | Seal and Bearing Retainer | 4 Point | 36mm x 4-Pin (Span) |  |
| BS4008 | Seal and Bearing Retainer | 4 Point | 40mm x 4-Pin |  |
| BS4009 | Seal and Bearing Retainer | 4 Point | 40mm x 4-Pin (Span) |  |
| BS4010 | Seal and Bearing Retainer | 6 Point | 44mm x 6 point |  |
| BS4011 | Seal and Bearing Retainer | 6 Point | 47mm x 6 point |  |