SPROCKET 28B-1
Specifications
| ISO-Nr.: | 28В-1 |
|---|---|
| Step, mm: | 44,45 |
| Distance between chain plates, mm: | 30,99 |
| Diameter of the chain roller, mm: | 27,94 |
| Width of crown (bf1), mm: | 29,4 |
| Chamfer of tooth profile (ba), mm: | 5,0 |
| The minimum tooth radius (rx), mm: | 44,0 |
| Material: | Steel C45 |
| Number of teeth (z) | Diameter of dividing circle (d0), mm | Diameter of the tip of the teeth (dk), mm | Diameter of the rough hole (d1), mm | Weight, kg |
| 8 | 116,15 | 132 | 25 | 1,71 |
| 9 | 129,96 | 148,4 | 25 | 2,26 |
| 10 | 143,85 | 162,3 | 25 | 2,88 |
| 11 | 157,77 | 176,3 | 25 | 3,53 |
| 12 | 171,74 | 189,3 | 25 | 4,26 |
| 13 | 185,75 | 204,2 | 25 | 5,12 |
| 14 | 199,76 | 218,2 | 25 | 6,03 |
| 15 | 213,79 | 232,3 | 25 | 7,01 |
| 16 | 227,84 | 246,3 | 30 | 8,02 |
| 17 | 241,9 | 260 | 30 | 9,14 |
| 18 | 255,98 | 274 | 30 | 10,34 |
| 19 | 270,06 | 289 | 30 | 11,61 |
| 20 | 284,15 | 303 | 30 | 12,95 |
| 21 | 298,24 | 317 | 30 | 14,37 |
| 22 | 312,34 | 331 | 30 | 15,86 |
| 23 | 326,44 | 345 | 30 | 17,42 |
| 24 | 340,55 | 359 | 30 | 19,05 |
| 25 | 354,66 | 373 | 30 | 20,76 |
| 26 | 368,77 | 387 | 30 | 22,54 |
| 27 | 382,88 | 401 | 30 | 24,39 |
| 28 | 397 | 416 | 30 | 26,32 |
| 29 | 411,12 | 430 | 30 | 28,1 |
| 30 | 425,24 | 444 | 30 | 30,38 |
| 31 | 439,37 | 458 | 30 | 32,51 |
| 32 | 453,49 | 472 | 30 | 34,74 |
| 33 | 467,62 | 486 | 30 | 37,01 |
| 34 | 481,75 | 500 | 30 | 39,38 |
| 35 | 495,88 | 514 | 30 | 41,82 |
| 36 | 510,01 | 529 | 30 | 44,32 |
| 37 | 524,13 | 543 | 30 | 46,91 |
| 38 | 538,27 | 557 | 30 | 49,55 |
| 39 | 552,4 | 571 | 30 | 53,01 |
| 40 | 566,54 | 585 | 30 | 55,07 |
| 45 | 637,22 | 656 | 30 | 70,13 |
| 50 | 707,91 | 726 | 30 | 87,01 |
| 57 | 806,9 | 825 | 40 | 113,56 |
| 60 | 849,32 | 869 | 40 | 126,08 |
| 54 | 655,3 | 670,2 | 30 | 61,14 |
| 55 | 667,4 | 682,3 | 30 | 63,48 |
| 56 | 679,5 | 694,4 | 30 | 65,86 |
| 57 | 691,7 | 706,5 | 30 | 68,28 |
| 58 | 703,7 | 718,6 | 30 | 70,7 |
| 59 | 715,9 | 730,7 | 30 | 73,26 |
| 60 | 727,9 | 742,8 | 30 | 75,82 |
| 62 | 752,24 | 767,2 | 40 | 80,95 |
| 64 | 776,5 | 791,3 | 40 | 86,01 |
| 65 | 788,6 | 803,4 | 40 | 89,14 |
| 66 | 800,1 | 815,6 | 40 | 92,5 |
| 68 | 824,9 | 839,8 | 40 | 98,16 |
| 70 | 849,2 | 864,2 | 40 | 103,77 |
| 72 | 873,5 | 888,4 | 40 | 108,98 |
| 75 | 909,8 | 924,8 | 40 | 116,1 |
| 76 | 921,9 | 936,9 | 40 | 122,54 |
| 80 | 970,4 | 985,4 | 40 | 135,99 |
| 85 | 1031,1 | 1046 | 40 | 153,79 |
| 95 | 1152,33 | 1167,3 | 40 | 192,67 |

