Duplex 1/2" (08B) British Standard pitch sprocket. Manufactured in Steel EN8, 080M40/080M46, C45
08B-2 21T Duplex Steel Sprocket (4DR21)
08B-2 21T Duplex Steel Sprocket (4DR21)
| Part No. | 7823-118 |
| Code | 4DR21 |
| No. teeth | 21 |
| Outside dia. de | 89.7 |
| Pitch dia. dp | 85.22 |
| Boss dia. | 70 |
| Bore D1* | 16 |
| Overall Width A | 40 |
Every effort is taken to ensure the accuracy of the table data
Design variations and errors although rare may occur