Ball Bearing Idler Sprockets

| Part Number | Chain Size | Number of Teeth | Bore Size | A | B | Style |
| 35BB20H | 35 | 20 | 1/2" | 7/16" | 11/16" | Style 1 |
| 35BB20H | 35 | 20 | 5/8" | 7/16" | 11/16" | Style 1 |
| 41BB17H | 41 | 17 | 1/2" | 7/16" | 11/16" | Style 1 |
| 41BB17H | 41 | 17 | 5/8" | 7/16" | 11/16" | Style 1 |
| 40BB17H | 40 | 17 | 1/2" | 7/16" | 11/16" | Style 1 |
| 40BB17H | 40 | 17 | 5/8" | 7/16" | 11/16" | Style 1 |
| 40BB18H | 40 | 18 | 1/2" | 7/16" | 11/16" | Style 1 |
| 40BB18H | 40 | 18 | 5/8" | 7/16" | 11/16" | Style 1 |
| 50BB15H | 50 | 15 | 1/2" | 7/16" | 11/16" | Style 1 |
| 50BB15H | 50 | 15 | 5/8" | 7/16" | 11/16" | Style 1 |
| 50BB17H | 50 | 17 | 1/2" | 7/16" | 11/16" | Style 1 |
| 50BB17H | 50 | 17 | 5/8" | 7/16" | 11/16" | Style 1 |
| 60BB13H | 60 | 13 | 1/2" | 7/16" | 11/16" | Style 2 |
| 60BB13H | 60 | 13 | 5/8" | 7/16" | 11/16" | Style 2 |
| 60BB15H | 60 | 15 | 1/2" | 7/16" | 11/16" | Style 2 |
| 60BB15H | 60 | 15 | 5/8" | 7/16" | 11/16" | Style 2 |
| 80BB12H | 80 | 12 | 3/4" | 9/16" | - | Style 3 |