| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Timken / Carlisle | 2-BK-57-1 | Belt Metal Sheaves |
| | Timken / Carlisle | 2-BK-57-1 1/8 | Belt Metal Sheaves |
| | Timken / Carlisle | 2-BK-57-1 3/8 | Belt Metal Sheaves |
| | Timken / Carlisle | 2-BK-57-H | Belt Metal Sheaves |
| | Timken / Carlisle | 2-BK-57-P/B | Belt Metal Sheaves |
| | Timken / Carlisle | BK-57-1 | Belt Metal Sheaves |
| | Timken / Carlisle | BK-57-1 1/8 | Belt Metal Sheaves |
| | Timken / Carlisle | BK-57-15/16 | Belt Metal Sheaves |
| | Timken / Carlisle | BK-57-3/4 | Belt Metal Sheaves |
| | Timken / Carlisle | BK-57-5/8 | Belt Metal Sheaves |
| | Timken / Carlisle | BK-57-7/8 | Belt Metal Sheaves |
| | Timken / Carlisle | BK-57-H | Belt Metal Sheaves |
| | Timken / Carlisle | BK-57-P/B | Belt Metal Sheaves |
| Manufacturer | Timken / Carlisle |
| Pitch Diameter | 4.7 in (A/4L)/5.1 in (B/5L) |
