| 型号 | 主要尺寸(mm) | 额定负载(N) | ||
| Fw | D | C | Cr | |
| BK2216 | 22 | 28 | 16 | 11400 | BK2220 | 22 | 28 | 20 | 14500 |
| BK2512 | 25 | 32 | 12 | 10000 | BK2516 | 25 | 32 | 16 | 13600 |
| BK2520 | 25 | 32 | 20 | 17900 | BK2526 | 25 | 32 | 26 | 22500 |
| BK2538 | 25 | 32 | 38 | 30000 | BK2816 | 28 | 35 | 16 | 15400 |
| BK2820 | 28 | 35 | 20 | 18900 | BK3012 | 30 | 37 | 12 | 10100 |
| BK3016 | 30 | 37 | 16 | 15200 | BK3020 | 30 | 37 | 20 | 19700 |
