| 轴径 d 范围 (mm/毫米) | 键槽宽 b | 键高 h | 轴槽深 t₁ | 毂槽深 t₂ | 轴槽深偏差 | 毂槽深偏差 | 槽底圆角 r |
|---|---|---|---|---|---|---|---|
| 6 ~ 8 | 2 | 2 | 1.2 | 1 | +0.1 / 0 | +0.1 / 0 | 0.08~0.16 |
| 8 ~ 10 | 3 | 3 | 1.8 | 1.4 | +0.1 / 0 | +0.1 / 0 | 0.08~0.16 |
| 10 ~ 12 | 4 | 4 | 2.5 | 1.8 | +0.1 / 0 | +0.1 / 0 | 0.16~0.25 |
| 12 ~ 17 | 5 | 5 | 3 | 2.3 | +0.1 / 0 | +0.1 / 0 | 0.16~0.25 |
| 17 ~ 22 | 6 | 6 | 3.5 | 2.8 | +0.1 / 0 | +0.1 / 0 | 0.16~0.25 |
| 22 ~ 30 | 8 | 7 | 4 | 3.3 | +0.2 / 0 | +0.2 / 0 | 0.25~0.4 |
| 30 ~ 38 | 10 | 8 | 5 | 3.3 | +0.2 / 0 | +0.2 / 0 | 0.25~0.4 |
| 38 ~ 44 | 12 | 8 | 5 | 3.3 | +0.2 / 0 | +0.2 / 0 | 0.25~0.4 |
| 44 ~ 50 | 14 | 9 | 5.5 | 3.8 | +0.2 / 0 | +0.2 / 0 | 0.25~0.4 |
| 50 ~ 58 | 16 | 10 | 6 | 4.3 | +0.2 / 0 | +0.2 / 0 | 0.25~0.4 |
| 58 ~ 65 | 18 | 11 | 7 | 4.4 | +0.2 / 0 | +0.2 / 0 | 0.25~0.4 |
| 65 ~ 75 | 20 | 12 | 7.5 | 4.9 | +0.2 / 0 | +0.2 / 0 | 0.4~0.6 |
| 75 ~ 85 | 22 | 14 | 9 | 5.4 | +0.2 / 0 | +0.2 / 0 | 0.4~0.6 |
| 85 ~ 95 | 25 | 14 | 9 | 5.4 | +0.2 / 0 | +0.2 / 0 | 0.4~0.6 |
| 95 ~ 110 | 28 | 16 | 10 | 6.4 | +0.2 / 0 | +0.2 / 0 | 0.4~0.6 |
| 110 ~ 130 | 32 | 18 | 11 | 7.4 | +0.3 / 0 | +0.3 / 0 | 0.7~1 |
| 130 ~ 150 | 36 | 20 | 12 | 8.4 | +0.3 / 0 | +0.3 / 0 | 0.7~1 |
| 150 ~ 170 | 40 | 22 | 13 | 9.4 | +0.3 / 0 | +0.3 / 0 | 0.7~1 |
| 170 ~ 200 | 45 | 25 | 15 | 10.4 | +0.3 / 0 | +0.3 / 0 | 0.7~1 |
| 200 ~ 230 | 50 | 28 | 17 | 11.4 | +0.3 / 0 | +0.3 / 0 | 0.7~1 |
| 230 ~ 260 | 56 | 32 | 20 | 12.4 | +0.3 / 0 | +0.3 / 0 | 1.2~1.6 |
| 260 ~ 290 | 63 | 32 | 20 | 12.4 | +0.3 / 0 | +0.3 / 0 | 1.2~1.6 |
| 290 ~ 330 | 70 | 36 | 22 | 14.4 | +0.3 / 0 | +0.3 / 0 | 1.2~1.6 |
| 330 ~ 380 | 80 | 40 | 25 | 15.4 | +0.3 / 0 | +0.3 / 0 | 2~2.5 |
| 380 ~ 440 | 90 | 45 | 28 | 17.4 | +0.3 / 0 | +0.3 / 0 | 2~2.5 |
| 440 ~ 500 | 100 | 50 | 31 | 19.5 | +0.3 / 0 | +0.3 / 0 | 2~2.5 |
轴径落在哪一段,就取该行的 键槽宽 b / 键高 h / 轴槽深 t₁ / 毂槽深 t₂;键宽 b 的极限偏差随联结类型变化(见上方查询结果)。表中 t₁、t₂ 为公称值,图上按 d−t₁、d+t₂ 标注。
平键 键槽的剖面尺寸 | 轴径 6~500mm(毫米) | 较松 / 一般 / 较紧 三种联结 | 公差配合查询 →