Description
| Timken Part Number | U399-904B4 | Timken Online description | U399-904B4 |
| Bore (mm) | 39.62 | Additional Information | U399/U360L |
| OD (mm) | 73.15 | Catalog Short description | Tapered Assembly |
| Width (mm) | 19.30 | Product group description | TRB – Inch Popular ‘R’ |
| Weight (kg) | 0.35 | Timken Product Code | 100033925 |