Duplex sprockets 28B-2 DIN 8187

Zweifach Kettenräder 28B-2 DIN 8187
  • ISO-No.: 28B-2 (1 3/4“ x 1 1/4″ mm)
  • pitch: 44,45 mm
  • inner width: 30,99 mm
  • Roller-diameter : 27,94 mm
  • Tooth width bf2 88,4 mm
  • ba 5 mm (radius width)
  • rx 44 mm (min. tooth radius)
No. of teeth
 pitch circle tip circle hub pilot bore
 bore total weight
Ø Ø Ø Ø max. length approx
Material steel/C45 do dk dn d1 d2 L kg
8 116,15 132,0 74 25 46 120 4,75
9 129,96 148,4 88 25 52 120 6,66
10 143,85 162,3 100 25 61 120 8,79
11 157,77 176,3 112 25 64 120 11,19
12 171,74 189,3 125 25 78 120 13,91
13 185,75 204,2 130 25 80 120 16,25
14 199,76 218,2 130 25 80 120 18,81
15 213,79 232,3 145 30 91 120 22,64
16 227,84 246,3 160 30 105 120 26,52
17 241,90 260,0 160 30 105 120 29,74
18 255,98 274,0 160 30 105 120 33,17
19 270,06 289,0 180 30 110 120 38,14
20 284,15 303,0 180 30 110 120 42,02
21 298,24 317,0 180 30 110 120 49,10
22 312,34 331,0 180 30 110 120 50,40
23 326,44 345,0 180 30 110 120 54,92
24 340,55 359,0 180 30 110 120 60,67
25 354,66 373,0 180 30 110 120 64,62
26 368,77 387,0 180 30 110 120 69,28
27 382,88 401,0 180 30 110 120 75,15
28 397,00 416,0 180 30 110 120 80,28
29 411,12 430,0 180 30 110 120 89,41
30 425,24 444,0 180 30 110 120 92,17
31 439,37 458,0 200 30 125 120 99,11
32 453,49 472,0 200 30 125 120 110,66
33 467,62 486,0 200 30 125 120 115,61
34 481,75 500,0 200 30 125 120 120,44
35 495,88 514,0 200 30 125 120 127,7
36 510,01 529,0 200 30 125 120 133,99
37 524,13 543,0 200 30 125 120 144,35
38 538,27 557,0 200 30 125 120 149,90
39 552,40 571,0 200 30 125 120 155,10
40 566,54 585,0 200 30 125 120 167,15