| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 425-15-23210 | GEAR | H20051- | |
| 2 | 421-15-13370 | BEARING | H20051- | |
| 3 | 421-15-13191 | CAGE | H20051- | |
| 4 | 421-15-05040 | SHIM KIT | H20051- | |
| 4A | 421-15-13512 | SHIM, T=1.0MM | H20051- | |
| 4B | 421-15-13522 | SHIM, T=0.3MM | H20051- | |
| 4C | 421-15-13532 | SHIM, T=0.2MM | H20051- | |
| 4D | 421-15-13542 | SHIM, T=0.15MM | H20051- | |
| 5 | 01010-81230 | BOLT | H20051- | |
| 6 | 01643-31232 | WASHER | H20051- | |
| 7 | 425-15-23220 | GEAR | H20051- | |
| 8 | 17A-09-11150 | BEARING | H20051- | |
| 9 | 425-15-23150 | CAGE | H20051- | |
| 10 | 07000-75305 | O-RING | H20051- | |
| 11 | 425-15-05040 | SHIM KIT | H20051- | |
| 11A | 425-15-23610 | SHIM, T=1.0MM | H20051- | |
| 11B | 425-15-23620 | SHIM, T=0.3MM | H20051- | |
| 11C | 425-15-23630 | SHIM, T=0.2MM | H20051- | |
| 11D | 425-15-23640 | SHIM, T=0.15MM | H20051- | |
| 12 | 425-15-05050 | SHIM KIT | H20051- | |
| 12A | 425-15-23950 | SHIM, T=1.0MM | H20051- | |
| 12B | 425-15-23960 | SHIM, T=0.3MM | H20051- | |
| 12C | 425-15-23970 | SHIM, T=0.2MM | H20051- | |
| 12D | 425-15-23980 | SHIM, T=0.15MM | H20051- | |
| 13 | 01010-81235 | BOLT | H20051- | |
| 14 | 01643-31232 | WASHER | H20051- | |
| 15 | 425-15-13191 | PLATE | H20051- | |
| 16 | 07000-02130 | O-RING | H20051- | |
| 17 | 01010-61635 | BOLT | H20051- | |
| 18 | 01643-31645 | WASHER | H20051- | |
| 19 | 425-15-22121 | SHAFT | H20051- | |
| 20 | 04020-01638 | PIN | H20051- |