标准：摘自GB/T6403.2-1986
| 直径D或d |
t |
r |
R |
B |
f |
b |
| ≤50 |
0.8 |
1 |
1 |
- |
- |
- |
| ≤50 |
1 |
1.6 |
1.6 |
- |
- |
- |
| ≤50 |
1.6 |
3 |
6 |
5 |
1.6 |
4 |
| ＞50～120 |
2 |
4 |
10 |
8 |
2 |
6 |
| ＞50～120 |
2.5 |
5 |
16 |
10 |
2 |
8 |
| ＞50～120 |
3 |
6 |
20 |
12 |
2.5 |
10 |
| ＞120 |
4 |
8 |
25 |
16 |
3 |
12 |
| ＞120 |
5 |
10 |
32 |
20 |
3 |
16 |
| ＞120 |
6 |
12 |
40 |
25 |
4 |
20 |
平面上用的机床导轨用的润滑槽形式与尺寸
| B |
α |
t |
半圆形润滑槽的t |
半圆形润滑槽的r |
| — |
— |
— |
1 |
1.6 |
| — |
— |
— |
1.6 |
2.5 |
| — |
— |
— |
2 |
4 |
| 4 |
15 |
3 |
— |
— |
| 6 |
15 |
3 |
— |
— |
| 10 |
30 |
4 |
— |
— |
| 12 |
30 |
4 |
— |
— |
| 16 |
45 |
5 |
— |
— |
注：推力轴承润滑槽形式图下箭头说明运动方向为单向或双向。标准中未注明尺寸的棱边，按小于0.5mm倒圆。
