Sprocket KRS with hub 20 B-1 1 1/4x3/4" 21 teeth material steel
| No. of Teeth | 21 |
|---|---|
| da [mm] | 228,5 |
| d [mm] | 213,03 |
| ND [mm] | 140 |
| B [mm] | 25 |
| L [mm] | 55 |
| Weight [kg] | 9,06 |
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Material: Steel C45, not hardened. Pre-bored. Sprockets marked with * from grey cast iron GG25. Sprockets marked with 1) are from steel St52 with welded hub.
General dimensions: B1 = 18,5 mm, c = 3,5 mm, r3 = 32 mm.
Other dimensions: See the table.