| id: | 30 mm |
| od: | 47 mm |
| hi: | 20 mm |
| pt: | plastic |
| CG 253756 |
| NACHI 30BG04S21DST |
| id: | 32 mm |
| od: | 52 mm |
| hi: | 20 mm |
| KR WBZ1324FZ |
| KR WBZ1324UG |
| KR WBZ1324YU |
| NSK 32BD5220 |