Sprocket KRF with hub 12 B-1 21 teeth material steel bore 38H7 keyway DIN 6885/1 2 set screw threads teeth induction hardened
| No. of Teeth | 21 |
|---|---|
| Bore H7[mm] | 38 |
| Type | A |
| da [mm] | 136,0 |
| d [mm] | 127,82 |
| ND [mm] | 90 |
| L [mm] | 40 |
| KH9 [mm] | 10 |
| T2 [mm] | 3,3 |
| M | M8 |
| Weight [kg] | 2,071 |
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Material: Steel C45, teeth induction hardened (approx. HRC 50). Ready-to-install, for various shaft diameters. Custom bore H7 - surface parameter Ra 1,6, keyway in accordance with DIN 6885/1 positioned beneath tip of tooth, 2 threads for set screws, one positioned for the keyway, one offset by 90°. General dimensions: B1 = 11,1 mm, c = 2 mm, r3 = 19 mm. Other dimensions: See the table.