Material: Steel C45, not hardened. Pre-bored. Sprockets with 45 teeth and above are made of grey cast iron GG25. General dimensions: B1 = 7 mm, B3 = 34,9 mm, c = 1,3 mm, r3 = 13 mm. Other dimensions: See the table.
No. of Teeth | 21 |
---|---|
da (mm) | 90,1 |
d (mm) | 85,22 |
ND (mm) | 70 |
B (mm) | 20 |
L (mm) | 55 |
Weight (kg) | 1,79 |