Material: Steel C45, not hardened. Pre-bored. Sprockets with 45 teeth and more are made from grey cast iron GG25. General dimensions: B1 = 5,3 mm, c = 1,0 mm, r3 = 10 mm. Other dimensions: See the table.
No. of Teeth | 21 |
---|---|
da (mm) | 68,0 |
d (mm) | 63,91 |
ND (mm) | 48 |
B (mm) | 12 |
L (mm) | 28 |
Weight (g) | 416 |