| Part number (SKU) | 12788421 |
| Material | Steel (1045) |
| Surface | Blank |
| Number of strands | 2×1 |
| Hardened | Yes |
| Hub | Without |
| DIN ISO No. | 12 B-1 |
| No. of teeth | 21 |
| Outer diameter [da] | 136.0 [mm] |
| Pitch circle diameter [d] | 127.82 [mm] |
| Bore [B] | 25 [mm] |
| Diameter between tooth strands [dg] | 106 [mm] |
| Total length [A] | 44 [mm] |
| Center distance of tooth strands [L] | 32.9 [mm] |
| Weight | 3.42 [kg] |
If you need a rework or a custom-made-product please contact us directly with your inquiry.
The supplied 3D models, pictures and technical drawings are made with reasonable care.Nevertheless liability is excluded for the accuracy and correctness of this data.
Double sprocket ZREG for 2 single roller chains 12 B-1 21 teeth material steel teeth hardened PN: 12788421
Material: Steel C45, not hardened. Pre-bored. Teeth induction
hardened (approx. HRC 50). Pitch 3/4 x 7/16" General dimensions: B1 =
11,1 mm, c = 2,0 mm, r3 = 19 mm. Other dimensions: See the table.
$75.52
Availability: 1 in stock (backorders ship within 1-2 weeks)
| Quantity | Discount (%) | Price |
|---|---|---|
| 1 - 9 | — | $75.52 |
| 10 - 24 | 11.68 % | $66.70 |
| 25 - 49 | 18.56 % | $61.50 |
| 50+ | 23.36 % | $57.88 |
