A-2
| ISO Chain N | P, mm | Pt, mm | d1 max, mm | d2 max, mm | b1 min, mm | b2 max, mm | b3 max, mm | h2 min, mm | Q min, KN |
| 12A-2 (2ПР-19,05-7500) | 19,05 | 22,78 | 11,91 | 5,94 | 12,57 | 48,10 | 49,40 | 18,00 | 62,30 |
| 16A-2 (2ПР-25,4-11400) | 25,40 | 29,29 | 15,88 |
7,92 |
15,75 | 61,70 | 62,90 | 23,50 | 111,20 |
| 32A-2 (2ПР-50,8-45360) | 50,80 | 58,55 | 28,58 | 14,27 | 31,55 | 122,30 | 126,50 | 48,20 | 444,80 |