| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 23B-27-31140 | HOUSING,L.H. | 4001- | |
| 2 | 23B-27-31150 | HOUSING,R.H. | 4001- | |
| 3 | 07000-12145 | O-RING | 4001- | |
| 4 | 23B-27-31130 | SHAFT | 4001- | |
| 5 | 23B-27-11170 | SPACER | 4001- | |
| 6 | 07012-10145 | SEAL | 4001- | |
| 7 | 07000-12085 | O-RING | 4001- | |
| 8 | 01010-62250 | BOLT | 4001- | |
| 9 | 01643-32260 | WASHER | 4001- | |
| 10 | 23B-27-11250 | PIN | 4001- | |
| 11 | 23B-27-11260 | SPACER | 4001- | |
| 12 | 23B-27-11270 | COVER | 4001- | |
| 13 | 23B-27-11281 | BEARING | 4001- | |
| 14 | 07043-00108 | PLUG | 4001- | |
| 15 | 07144-10405 | BUSHING | 4001- | |
| 16 | 23B-27-11360 | PLUG | 4001- | |
| 17 | 07145-00045 | SEAL,DUST | 4001- | |
| 18 | 07020-00900 | FITTING,GREASE | 4001- | |
| 19 | 23B-27-11890 | LOCK | 4001- | |
| 20 | 23B-27-11190 | HOLDER | 4001- | |
| 21 | 23B-27-11860 | SHIM¤ 0.1MM | 4001- | |
| 23B-27-11870 | SHIM¤ 0.3MM | 4001- | ||
| 23B-27-11880 | SHIM¤ 0.5MM | 4001- | ||
| 22 | 01010-81230 | BOLT | 4001- | |
| 23 | 23B-27-11180 | CAP | 4001- | |
| 24 | 01010-81020 | BOLT | 4001- | |
| 25 | 01643-31032 | WASHER | 4001- | |
| 26 | 06002-32217 | BEARING | 4001- | |
| 27 | 06002-32216 | BEARING | 4001- |