Duplex 1/2" (08B) British Standard pitch sprocket. Manufactured in Steel EN8, 080M40/080M46, C45
08B-2 57T Duplex Steel Sprocket (4DR57)
08B-2 57T Duplex Steel Sprocket (4DR57)
| Part No. | 7823-148 |
| Code | 4DR57 |
| No. teeth | 57 |
| Outside dia. de | 236.4 |
| Pitch dia. dp | 230.54 |
| Boss dia. | 108 |
| Bore D1* | 25 |
| Overall Width A | 55 |
Every effort is taken to ensure the accuracy of the table data
Design variations and errors although rare may occur