Triple-strand sprocket DRS with hub 28 B-3 1 3/4" x 1 1/4" 21 teeth material steel
| No. of Teeth | 21 |
|---|---|
| da [mm] | 318,6 |
| d [mm] | 298,24 |
| ND [mm] | 180 |
| B [mm] | 30 |
| L [mm] | 180 |
| Weight [kg] | 74,5 |
| Remark | 1) |
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Material: Steel C45, not hardened. Pre-bored. Sprockets marked with 1) made from St52 with welded in hub.
General dimensions: B1 = 28.8 mm, B3 = 148 mm, c = 5 mm, r3 = 44 mm.
Other dimensions: See the table.