1/2" (08B) British Standard pitch platewheel sprockets. Manufactured in Steel EN8, 080M40/080M46, C45
08B-1 21T Steel Platewheel (4SR21P)
08B-1 21T Steel Platewheel (4SR21P)
| Part No. | 7823-639 |
| Code | 4SR21P |
| No. Teeth | 21 |
| Outside dia. de | 89.7 |
| Pitch dia. Dp | 85.22 |
| Simplex D1 | 12 |
Every effort is taken to ensure the accuracy of the table data
Design variations and errors although rare may occur