Double-Sprockets ZRS with One-Sided Hub, Pitch 1/2 x 5/16", ISO 08 B-2
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 = 7 mm, B2 = 21 mm c = 1,3 mm, r3 = 13 mm.
Other dimensions: See the table.
| SKU | No. of Teeth | da [mm] | d [mm] | ND [mm] | B [mm] | L [mm] | Weight [kg] | Remark |
|---|---|---|---|---|---|---|---|---|
| 12510800 | 8 | 37,7 | 33,19 | 20 | 10 | 32 | 0,10 | - |
| 12510900 | 9 | 41,8 | 37,13 | 24 | 10 | 32 | 0,13 | - |
| 12511000 | 10 | 45,9 | 41,10 | 28 | 10 | 32 | 0,18 | - |
| 12511100 | 11 | 49,9 | 45,08 | 32 | 12 | 35 | 0,24 | - |
| 12511200 | 12 | 54,0 | 49,07 | 35 | 12 | 35 | 0,30 | - |
| 12511300 | 13 | 58,1 | 53,07 | 38 | 12 | 35 | 0,36 | - |
| 12511400 | 14 | 62,1 | 57,07 | 42 | 12 | 35 | 0,44 | - |
| 12511500 | 15 | 66,2 | 61,08 | 46 | 12 | 35 | 0,52 | - |
| 12511600 | 16 | 70,2 | 65,10 | 50 | 14 | 35 | 0,60 | - |
| 12511700 | 17 | 74,3 | 69,12 | 54 | 14 | 35 | 0,70 | - |
| 12511800 | 18 | 78,3 | 73,14 | 58 | 14 | 35 | 0,80 | - |
| 12511900 | 19 | 82,4 | 77,16 | 62 | 14 | 35 | 0,92 | - |
| 12512000 | 20 | 86,5 | 81,18 | 66 | 14 | 35 | 1,04 | - |
| 12512100 | 21 | 90,5 | 85,21 | 70 | 16 | 40 | 1,29 | - |
| 12512200 | 22 | 94,6 | 89,24 | 70 | 16 | 40 | 1,37 | - |
| 12512300 | 23 | 98,6 | 93,27 | 70 | 16 | 40 | 1,46 | - |
| 12512400 | 24 | 102,7 | 97,30 | 75 | 16 | 40 | 1,63 | - |
| 12512500 | 25 | 106,7 | 101,33 | 80 | 16 | 40 | 1,82 | - |
| 12512600 | 26 | 110,7 | 105,36 | 85 | 20 | 40 | 1,98 | - |
| 12512700 | 27 | 114,8 | 109,40 | 85 | 20 | 40 | 2,08 | - |
| 12512800 | 28 | 118,8 | 113,43 | 90 | 20 | 40 | 2,29 | - |
| 12512900 | 29 | 122,9 | 117,46 | 95 | 20 | 40 | 2,51 | - |
| 12513000 | 30 | 126,9 | 121,50 | 100 | 20 | 40 | 2,74 | - |
| 12513100 | 31 | 131,0 | 125,53 | 100 | 20 | 40 | 2,86 | - |
| 12513200 | 32 | 135,0 | 129,57 | 100 | 20 | 40 | 2,98 | - |
| 12513300 | 33 | 139,1 | 133,61 | 100 | 20 | 40 | 3,12 | - |
| 12513400 | 34 | 143,1 | 137,64 | 100 | 20 | 40 | 3,25 | - |
| 12513500 | 35 | 147,2 | 141,68 | 100 | 20 | 40 | 3,39 | - |
| 12513600 | 36 | 151,2 | 145,72 | 110 | 20 | 40 | 3,78 | - |
| 12513700 | 37 | 155,3 | 149,75 | 110 | 20 | 40 | 3,92 | - |
| 12513800G | 38 | 159,3 | 153,79 | 90 | 50 | 30 | 3,15 | * |
| 12513800 | 38 | 158,6 | 153,80 | 110 | 20 | 40 | 4,07 | - |
| 12513900 | 39 | 163,3 | 157,83 | 110 | 20 | 40 | 4,23 | - |
| 12514000 | 40 | 167,4 | 161,87 | 110 | 20 | 40 | 4,39 | - |
| 12514200 | 42 | 175,5 | 169,94 | 108 | 20 | 55 | 5,70 | 1) |
| 12514500 | 45 | 187,6 | 182,06 | 90 | 24 | 50 | 3,32 | * |
| 12514501 | 45 | 187,6 | 182,06 | 108 | 20 | 55 | 6,22 | 1) |
| 12514800 | 48 | 199,7 | 194,18 | 108 | 20 | 55 | 6,78 | 1) |
| 12515000 | 50 | 207,8 | 202,26 | 108 | 20 | 55 | 7,18 | 1) |
| 12515700 | 57 | 236,1 | 230,54 | 90 | 24 | 50 | 4,30 | * |
| 12515701 | 57 | 236,1 | 230,54 | 108 | 25 | 55 | 8,64 | 1) |
| 12516000 | 60 | 248,3 | 242,66 | 108 | 25 | 55 | 9,36 | 1) |
| 12517600 | 76 | 313,0 | 307,32 | 100 | 24 | 56 | 6,27 | * |
| 12517601 | 76 | 313,0 | 307,32 | 108 | 25 | 55 | 13,80 | 1) |
| 12518300 | 95 | 389,8 | 384,11 | 100 | 24 | 56 | 8,25 | * |
| 12518800 | 114 | 466,6 | 460,91 | 100 | 24 | 63 | 10,51 | * |