| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 23B-27-31140 | HOUSING,L.H. | 51501- | |
| 2 | 23B-27-31150 | HOUSING,R.H. | 51501- | |
| 3 | 07000-12145 | O-RING | 51501- | |
| 4 | 23B-27-31130 | SHAFT | 51501- | |
| 5 | 23B-27-11170 | SPACER | 51501- | |
| 6 | 07012-10145 | SEAL | 51501- | |
| 7 | 07000-12085 | O-RING | 51501- | |
| 8 | (01010-62250) | BOLT | 51501- | |
| 9 | (01643-32260) | WASHER | 51501- | |
| 10 | 23B-27-11250 | PIN | 51501- | |
| 11 | 23B-27-11260 | SPACER | 51501- | |
| 12 | 23B-27-11270 | COVER | 51501- | |
| 13 | 23B-27-11281 | BEARING | 51501- | |
| 14 | 07043-00108 | PLUG | 51501- | |
| 15 | 07144-10405 | BUSHING | 51501- | |
| 16 | 23B-27-11360 | PLUG | 51501- | |
| 17 | 07145-00045 | SEAL,DUST | 51501- | |
| 18 | 07020-00900 | FITTING,GREASE | 51501- | |
| 19 | 23B-27-11890 | LOCK | 51501- | |
| 20 | 23B-27-11190 | HOLDER | 51501- | |
| 21 | 23B-27-11850 | SHIM, 0.05MM | 53022- | |
| 21 | 23B-27-11860 | SHIM, 0.1MM | 51501- | |
| 21 | 23B-27-11870 | SHIM, 0.3MM | 51501- | |
| 21 | 23B-27-11880 | SHIM, 0.5MM | 51501- | |
| 22 | 01010-81230 | BOLT | 51501- | |
| 23 | 23B-27-11180 | CAP | 51501- | |
| 24 | 01010-81020 | BOLT | 51501- | |
| 25 | 01643-31032 | WASHER | 51501- | |
| 26 | 06002-32217 | BEARING | 51501- | |
| 27 | 06002-32216 | BEARING | 51501- |