Triple-strand sprocket DRS with hub 20 B-3 1 1/4" x 3/4" 12 teeth material steel
No. of Teeth | 12 |
---|---|
da [mm] | 137,2 |
d [mm] | 122,67 |
ND [mm] | 90 |
B [mm] | 20 |
L [mm] | 115 |
Weight [kg] | 7,45 |
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Material: Steel C45, not hardened. Pre-bored. Sprockets marked with * from grey cast iron GG25. Sprockets marked with 1) made from St52 with welded in hub.
General dimensions: B1 = 18.2 mm, B3 = 91 mm, c = 3.5 mm, r3 = 32 mm.
Other dimensions: See the table.