1/2" (083) British Standard pitch sprockets which are narrower than the 08B but wider than the 081 1/2" sprockets. Manufactured in Steel EN8, 080M40/080M46, C45
083-1 21T Steel Sprocket (2SR21)
083-1 21T Steel Sprocket (2SR21)
| Part No. | 7823-512 |
| Code | 2SR21 |
| No. teeth | 21 |
| Outside dia. de | 91 |
| Pitch dia. dp | 85.22 |
| Boss dia. | 60 |
| Bore D1* | 12 |
| Overall Width A | 20 |
Every effort is taken to ensure the accuracy of the table data
Design variations and errors although rare may occur