Double-Strand Sprockets ZRF, Teeth Hardened, ISO 10 B-2, Pitch 5/8 x 3/8“
Material: Steel C45.
Ready-to-install, for various shaft diameters. Teeth milled and induction hardened (approx. HRC 50), 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°. Delivery with 2 screws ISO 4029 (DIN 916).
| SKU | Number of teeth | Bore H7 [mm] | Type | da [mm] | d [mm] | ND [mm] | L [mm] | KH9 [mm] | T2 [mm] | M | Weight [kg] |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 12681120 | 11 | 20 | A | 63,0 | 56,34 | 37 | 45 | 6 | 2,8 | M5 | 0,427 |
| 12681125 | 11 | 25 | B | 63,0 | 56,34 | 42 | 45 | 8 | 3,3 | M6 | 0,401 |
| 12681130 | 11 | 30 | B | 63,0 | 56,34 | 45 | 45 | 8 | 3,3 | M6 | 0,346 |
| 12681220 | 12 | 20 | A | 68,0 | 61,34 | 42 | 45 | 6 | 2,8 | M5 | 0,555 |
| 12681225 | 12 | 25 | A | 68,0 | 61,34 | 44 | 45 | 8 | 3,3 | M6 | 0,510 |
| 12681230 | 12 | 30 | B | 68,0 | 61,34 | 49 | 45 | 8 | 3,3 | M6 | 0,473 |
| 12681320 | 13 | 20 | A | 73,0 | 66,32 | 47 | 45 | 6 | 2,8 | M5 | 0,695 |
| 12681325 | 13 | 25 | A | 73,0 | 66,32 | 47 | 45 | 8 | 3,3 | M6 | 0,629 |
| 12681330 | 13 | 30 | A | 73,0 | 66,32 | 49 | 45 | 8 | 3,3 | M6 | 0,577 |
| 12681420 | 14 | 20 | A | 78,0 | 71,34 | 52 | 45 | 6 | 2,8 | M5 | 0,849 |
| 12681425 | 14 | 25 | A | 78,0 | 71,34 | 52 | 45 | 8 | 3,3 | M6 | 0,783 |
| 12681430 | 14 | 30 | A | 78,0 | 71,34 | 52 | 45 | 8 | 3,3 | M6 | 0,709 |
| 12681520 | 15 | 20 | A | 83,0 | 76,36 | 57 | 45 | 6 | 2,8 | M5 | 1,021 |
| 12681525 | 15 | 25 | A | 83,0 | 76,36 | 57 | 45 | 8 | 3,3 | M6 | 0,954 |
| 12681530 | 15 | 30 | A | 83,0 | 76,36 | 57 | 45 | 8 | 3,3 | M6 | 0,878 |
| 12681535 | 15 | 35 | A | 83,0 | 76,36 | 57 | 45 | 10 | 3,3 | M8 | 0,784 |
| 12681620 | 16 | 20 | A | 88,0 | 81,37 | 60 | 45 | 6 | 2,8 | M5 | 1,17 |
| 12681625 | 16 | 25 | A | 88,0 | 81,37 | 60 | 45 | 8 | 3,3 | M6 | 1,11 |
| 12681630 | 16 | 30 | A | 88,0 | 81,37 | 60 | 45 | 8 | 3,3 | M6 | 1,03 |
| 12681635 | 16 | 35 | A | 88,0 | 81,37 | 60 | 45 | 10 | 3,3 | M8 | 0,94 |
| 12681720 | 17 | 20 | A | 93,0 | 86,39 | 60 | 45 | 6 | 2,8 | M5 | 1,29 |
| 12681725 | 17 | 25 | A | 93,0 | 86,39 | 60 | 45 | 8 | 3,3 | M6 | 1,23 |
| 12681730 | 17 | 30 | A | 93,0 | 86,39 | 60 | 45 | 8 | 3,3 | M6 | 1,15 |
| 12681735 | 17 | 35 | A | 93,0 | 86,39 | 60 | 45 | 10 | 3,3 | M8 | 1,06 |
| 12681820 | 18 | 20 | A | 98,3 | 91,42 | 70 | 45 | 6 | 2,8 | M5 | 1,58 |
| 12681825 | 18 | 25 | A | 98,3 | 91,42 | 70 | 45 | 8 | 3,3 | M6 | 1,51 |
| 12681830 | 18 | 30 | A | 98,3 | 91,42 | 70 | 45 | 8 | 3,3 | M6 | 1,44 |
| 12681835 | 18 | 35 | A | 98,3 | 91,42 | 70 | 45 | 10 | 3,3 | M8 | 1,34 |
| 12681840 | 18 | 40 | A | 98,3 | 91,42 | 70 | 45 | 12 | 3,3 | M10 | 1,23 |
| 12681920 | 19 | 20 | A | 103,3 | 96,45 | 70 | 45 | 6 | 2,8 | M5 | 1,71 |
| 12681925 | 19 | 25 | A | 103,3 | 96,45 | 70 | 45 | 8 | 3,3 | M6 | 1,65 |
| 12681930 | 19 | 30 | A | 103,3 | 96,45 | 70 | 45 | 8 | 3,3 | M6 | 1,57 |
| 12681935 | 19 | 35 | A | 103,3 | 96,45 | 70 | 45 | 10 | 3,3 | M8 | 1,48 |
| 12681940 | 19 | 40 | A | 103,3 | 96,45 | 70 | 45 | 12 | 3,3 | M10 | 1,37 |
| 12682020 | 20 | 20 | A | 108,4 | 101,49 | 75 | 45 | 6 | 2,8 | M5 | 1,94 |
| 12682025 | 20 | 25 | A | 108,4 | 101,49 | 75 | 45 | 8 | 3,3 | M6 | 1,88 |
| 12682030 | 20 | 30 | A | 108,4 | 101,49 | 75 | 45 | 8 | 3,3 | M6 | 1,80 |
| 12682035 | 20 | 35 | A | 108,4 | 101,49 | 75 | 45 | 10 | 3,3 | M8 | 1,71 |
| 12682040 | 20 | 40 | A | 108,4 | 101,49 | 75 | 45 | 12 | 3,3 | M10 | 1,60 |
| 12682120 | 21 | 20 | A | 113,4 | 106,52 | 75 | 45 | 6 | 2,8 | M5 | 2,10 |
| 12682125 | 21 | 25 | A | 113,4 | 106,52 | 75 | 45 | 8 | 3,3 | M6 | 2,03 |
| 12682130 | 21 | 30 | A | 113,4 | 106,52 | 75 | 45 | 8 | 3,3 | M6 | 1,95 |
| 12682135 | 21 | 35 | A | 113,4 | 106,52 | 75 | 45 | 10 | 3,3 | M8 | 1,86 |
| 12682140 | 21 | 40 | A | 113,4 | 106,52 | 75 | 45 | 12 | 3,3 | M10 | 1,75 |
| 12682220 | 22 | 20 | A | 118,0 | 111,55 | 80 | 45 | 6 | 2,8 | M5 | 2,35 |
| 12682225 | 22 | 25 | A | 118,0 | 111,55 | 80 | 45 | 8 | 3,3 | M6 | 2,28 |
| 12682230 | 22 | 30 | A | 118,0 | 111,55 | 80 | 45 | 8 | 3,3 | M6 | 2,21 |
| 12682320 | 23 | 20 | A | 123,4 | 116,58 | 80 | 45 | 6 | 2,8 | M5 | 2,52 |
| 12682325 | 23 | 25 | A | 123,4 | 116,58 | 80 | 45 | 8 | 3,3 | M6 | 2,45 |
| 12682330 | 23 | 30 | A | 123,4 | 116,58 | 80 | 45 | 8 | 3,3 | M6 | 2,37 |
| 12682335 | 23 | 35 | A | 123,4 | 116,58 | 80 | 45 | 10 | 3,3 | M8 | 2,28 |
| 12682340 | 23 | 40 | A | 123,4 | 116,58 | 80 | 45 | 12 | 3,3 | M10 | 2,17 |
| 12682420 | 24 | 20 | A | 128,3 | 121,62 | 80 | 45 | 6 | 2,8 | M5 | 2,69 |
| 12682425 | 24 | 25 | A | 128,3 | 121,62 | 80 | 45 | 8 | 3,3 | M6 | 2,63 |
| 12682430 | 24 | 30 | A | 128,3 | 121,62 | 80 | 45 | 8 | 3,3 | M6 | 2,55 |
| 12682525 | 25 | 25 | A | 134,0 | 126,66 | 80 | 45 | 8 | 3,3 | M6 | 2,81 |
| 12682530 | 25 | 30 | A | 134,0 | 126,66 | 80 | 45 | 8 | 3,3 | M6 | 2,74 |
| 12682535 | 25 | 35 | A | 134,0 | 126,66 | 80 | 45 | 10 | 3,3 | M8 | 2,64 |
| 12682540 | 25 | 40 | A | 134,0 | 126,66 | 80 | 45 | 12 | 3,3 | M10 | 2,53 |