| 軸徑 | 型號 | 主要尺寸(mm) | ||
| dr | dr 容許差 μm |
D | ||
| 20 | LFW20 | 20 | 0 -12 | 32 | 20 | LFWK20 | 20 | 0 -12 | 32 |
| 25 | LFW25 | 25 | 0 -12 | 40 | 25 | LFWK25 | 25 | 0 -12 | 40 |
| 30 | LFW30 | 30 | 0 -12 | 45 | 30 | LFWK30 | 30 | 0 -12 | 45 |
| 35 | LFW35 | 35 | 0 -15 | 52 | 35 | LFWK35 | 35 | 0 -15 | 52 |
| 40 | LFW40 | 40 | 0 -15 | 60 | 40 | LFWK40 | 40 | 0 -15 | 60 |
| 50 | LFW50 | 50 | 0 -15 | 80 | 50 | LFWK50 | 50 | 0 -15 | 80 |