Description
| Type/Size | Keyseat |
| SD 1/2″ | 1/8″ X 1/16″ |
| SD 9/16 | 1/8″ X 1/16″ |
| SD 5/8″ | 3/16″ X 3/32″ |
| SD 11/16″ | 3/16″ X 3/32″ |
| SD 3/4″ | 3/16″ X 3/32″ |
| SD 13/16″ | 3/16″ X 3/32″ |
| SD 7/8″ | 3/16″ X 3/32″ |
| SD 15/16″ | 1/4″ X 1/8″ |
| SD 1″ | 1/4″ X 1/8″ |
| SD 1-1/8″ | 1/4″ X 1/8″ |
| SD 1-3/16″ | 1/4″ X 1/8″ |
| SD 1-1/4″ | 1/4″ X 1/8″ |
| SD 1-5/16″ | 5/16″ X 5/32″ |
| SD 1-3/8″ | 5/16″ X 5/32″ |
| SD 1-7/16″ | 3/8″ X 3/16″ |
| SD 1-1/2″ | 3/8″ X 3/16″ |
| SD 1-9/16″ | 3/8″ X 3/16″ |
| SD 1-5/8″ | 3/8″ X 3/16″ |
| SD 1-3/4″ | 3/8″ X 1/8″ |
| SD 1-7/8″ | 1/2″ X 1/16″ |
| SD 1-15/16″ | 1/2″ X 1/16″ |
SD Bushings only work with SD type sheaves / pulleys
