ProductsSprockets, Chains, AccessoriesSprockets B-1, B-2 and B-3Double-Sprockets B-2Double-Sprockets ZRS with One-Sided Hub, pre-bored B-2Double-Sprockets ZRS with One-Sided Hub, Pitch 1/2 x 5/16", ISO 08 B-2

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 with 45 teeth and above are made of grey cast iron GG25.

General dimensions: B1 = 7 mm, B2 = 21 mm c = 1,3 mm, r3 = 13 mm.
Other dimensions: See the table.

services: catalog

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.

see also:

part number Zähnezahl da
[mm]
d
[mm]
ND
[mm]
B
[mm]
L
[mm]
Gewicht
[kg]
Bemerkung
12510800 CAD 8 37,7 33,19 20 10 32 0,10 -
12510900 CAD 9 41,8 37,13 24 10 32 0,13 -
12511000 CAD 10 45,9 41,10 28 10 32 0,18 -
12511100 CAD 11 49,9 45,08 32 12 35 0,24 -
12511200 CAD 12 54,0 49,07 35 12 35 0,30 -
12511300 CAD 13 58,1 53,07 38 12 35 0,36 -
12511400 CAD 14 62,1 57,07 42 12 35 0,44 -
12511500 CAD 15 66,2 61,08 46 12 35 0,52 -
12511600 CAD 16 70,2 65,10 50 14 35 0,60 -
12511700 CAD 17 74,3 69,12 54 14 35 0,70 -
12511800 CAD 18 78,3 73,14 58 14 35 0,80 -
12511900 CAD 19 82,4 77,16 62 14 35 0,92 -
12512000 CAD 20 86,5 81,18 66 14 35 1,04 -
12512100 CAD 21 90,5 85,21 70 16 40 1,29 -
12512200 CAD 22 94,6 89,24 70 16 40 1,37 -
12512300 CAD 23 98,6 93,27 70 16 40 1,46 -
12512400 CAD 24 102,7 97,30 75 16 40 1,63 -
12512500 CAD 25 106,7 101,33 80 16 40 1,82 -
12512600 CAD 26 110,7 105,36 85 20 40 1,98 -
12512700 CAD 27 114,8 109,40 85 20 40 2,08 -
12512800 CAD 28 118,8 113,43 90 20 40 2,29 -
12512900 CAD 29 122,9 117,46 95 20 40 2,51 -
12513000 CAD 30 126,9 121,50 100 20 40 2,74 -
12513100 CAD 31 131,0 125,53 100 20 40 2,86 -
12513200 CAD 32 135,0 129,57 100 20 40 2,98 -
12513300 CAD 33 139,1 133,61 100 20 40 3,12 -
12513400 CAD 34 143,1 137,64 100 20 40 3,25 -
12513500 CAD 35 147,2 141,68 100 20 40 3,39 -
12513600 CAD 36 151,2 145,72 110 20 40 3,78 -
12513700 CAD 37 155,3 149,75 110 20 40 3,92 -
12513800 CAD 38 158,6 153,80 110 20 40 4,07 -
12513800G CAD 38 159,3 153,79 90 50 30 3,15 -
12513900 CAD 39 163,3 157,83 110 20 40 4,23 -
12514000 CAD 40 167,4 161,87 110 20 40 4,39 -
12514200 CAD 42 175,5 169,94 108 20 55 5,70 1)
12514500 CAD 45 187,6 182,06 90 24 50 3,32 *
12514501 CAD 45 187,6 182,06 108 20 55 6,22 1)
12514800 CAD 48 199,7 194,18 108 20 55 6,78 1)
12515000 CAD 50 207,8 202,26 108 20 55 7,18 1)
12515700 CAD 57 236,1 230,54 90 24 50 4,30 *
12515701 CAD 57 236,1 230,54 108 25 55 8,64 1)
12516000 CAD 60 248,3 242,66 108 25 55 9,36 1)
12517600 CAD 76 313,0 307,32 100 24 56 6,27 *
12517601 CAD 76 313,0 307,32 108 25 55 13,80 1)
12518300 CAD 95 389,8 384,11 100 24 56 8,25 *
12518800 CAD 114 466,6 460,91 100 24 63 10,51 *