triplex sprockets 20B-3 DIN 8187
- ISO-No.: 20B-3 (1 1/4“ x 3/4“)
- pitch: 31,75 mm
- inner width: 19,56 mm
- Roller-diameter: 19,05 mm
- Tooth widthbf3 91,0 mm
- ba 3,5 mm (radius width)
- rx 32,0 mm (min. tooth radius)
No. of teeth | pitch circle | tip circle | hub | pilot bore | bore | total | weight |
Ø | Ø | Ø | Ø | max. | length | approx | |
z | d0 | dk | dn | d1 | d2 | L | kg |
Material steel/C45 | |||||||
8 | 82,96 | 98,1 | 53 | 20 | 33 | 110 | 2,15 |
9 | 92,80 | 108,0 | 63 | 20 | 40 | 110 | 3,05 |
10 | 102,70 | 117,9 | 70 | 20 | 44 | 110 | 4,04 |
11 | 112,68 | 127,8 | 80 | 20 | 47 | 115 | 5,19 |
12 | 122,70 | 137,8 | 90 | 20 | 53 | 115 | 6,55 |
13 | 132,70 | 147,8 | 100 | 20 | 59 | 115 | 8,06 |
14 | 142,70 | 157,8 | 110 | 20 | 63 | 115 | 9,71 |
15 | 152,70 | 167,9 | 120 | 20 | 64 | 115 | 11,50 |
16 | 162,80 | 177,9 | 120 | 25 | 64 | 115 | 13,06 |
17 | 172,80 | 187,9 | 120 | 25 | 64 | 115 | 14,65 |
18 | 182,90 | 198,0 | 120 | 25 | 64 | 115 | 16,54 |
19 | 192,90 | 208,1 | 120 | 25 | 64 | 115 | 18,45 |
20 | 203,00 | 218,1 | 120 | 25 | 64 | 115 | 20,48 |
21 | 213,00 | 228,2 | 140 | 25 | 90 | 115 | 23,38 |
22 | 223,10 | 238,3 | 140 | 25 | 90 | 115 | 25,64 |
23 | 233,20 | 248,3 | 140 | 25 | 90 | 115 | 28,00 |
24 | 243,20 | 258,4 | 140 | 25 | 90 | 115 | 30,49 |
25 | 253,30 | 268,5 | 140 | 25 | 90 | 115 | 33,09 |
26 | 263,40 | 278,6 | 150 | 25 | 92 | 115 | 36,23 |
27 | 273,50 | 288,6 | 150 | 25 | 92 | 115 | 39,06 |
28 | 283,60 | 298,7 | 150 | 25 | 92 | 115 | 42,00 |
29 | 293,70 | 308,8 | 150 | 25 | 92 | 115 | 45,10 |
30 | 303,80 | 318,9 | 150 | 25 | 92 | 115 | 48,23 |
31 | 313,90 | 329,0 | 150 | 30 | 92 | 115 | 52,30 |
32 | 323,90 | 339,1 | 150 | 30 | 92 | 115 | 54,91 |
33 | 334,00 | 349,2 | 150 | 30 | 92 | 115 | 57,75 |
34 | 334,10 | 359,3 | 150 | 30 | 92 | 115 | 62,06 |
35 | 354,20 | 369,4 | 150 | 30 | 92 | 115 | 65,80 |
36 | 364,30 | 379,5 | 150 | 30 | 92 | 115 | 69,66 |
37 | 374,40 | 389,5 | 150 | 30 | 92 | 115 | 73,10 |
38 | 384,50 | 399,6 | 150 | 30 | 92 | 115 | 77,72 |
39 | 394,60 | 409,7 | 150 | 30 | 92 | 115 | 82,00 |
40 | 404,70 | 419,8 | 150 | 30 | 92 | 115 | 86,24 |
38 | 384,50 | 400,0 | 180 | 56 | 110 | 110 | 52,00 |
45 | 455,20 | 470,3 | 180 | 56 | 110 | 110 | 71,50 |
57 | 576,40 | 592,0 | 180 | 60 | 110 | 125 | 115,00 |
76 | 768,20 | 784,0 | 200 | 60 | 120 | 140 | 165,00 |