圆锥滚子轴承
圆锥滚子轴承可以分解成轴承组件，即内圈、滚子及保持架（通称为CONE）和外圈（通称为CUP），组件相关的尺寸已在ISO 或ABMA标准中标准化。
注：
根据设计要求，圆锥滚子轴承的内外圈滚道和滚子中心线的延长线相交于轴承轴线的一点，因为这一特点，滚子会沿着滚道表面的中心线旋转。
除了特别注明的以外，无论公制或英制系列（包括J 系列），子单元尺寸均已标准化。
当量负荷
动负荷
Pr= XFr + YFa
静负荷
Por = 0.5Fr + YoFa
当 Por < Fr 时，用Por = Fr
e, Y2及Yo 的值见下表
| 轴承 |
主要尺寸 |
推荐安装尺寸 |
| 型号 |
d |
D |
T |
B |
C |
R |
r |
da (最小) |
db (最大) |
Da (最大) |
| |
(最小轴配倒角) |
(最小座配倒角) |
| |
mm inch |
mm inch |
mm inch |
mm inch |
mm inch |
mm inch |
mm inch |
mm inch |
mm inch |
mm inch |
| LM11749/ |
17.462 |
39.878 |
13.843 |
14.605 |
10.688 |
1.3 |
1.3 |
21.5 |
21.6 |
37.1 |
| LM11710 |
0.6875 |
1.57 |
0.545 |
0.575 |
0.42 |
0.05 |
0.05 |
0.846 |
0.85 |
1.46 |
| LM11949/ |
19.05 |
45.237 |
15.494 |
16.637 |
12.065 |
1.3 |
1.3 |
23.5 |
23.6 |
41.4 |
| LM11910 |
0.75 |
1.781 |
0.61 |
0.655 |
0.475 |
0.05 |
0.05 |
0.925 |
0.93 |
1.63 |
| M12649/ |
21.43 |
50.005 |
17.526 |
18.288 |
13.97 |
1.3 |
1.3 |
25.5 |
25.4 |
46 |
| M12610 |
0.8437 |
1.9687 |
0.69 |
0.72 |
0.55 |
0.05 |
0.05 |
1.004 |
1 |
1.81 |
| M12649A/ |
21.43 |
50.005 |
17.0261 |
17.788 |
13.47 |
1.3 |
1.3 |
25.5 |
25.4 |
46 |
| M12610 |
0.8437 |
1.9687 |
0.6703 |
0.7 |
0.53 |
0.05 |
0.05 |
1.004 |
1 |
1.81 |
| LM12749/ |
21.986 |
45.237 |
15.494 |
16.637 |
12.065 |
1.3 |
1.3 |
27.5 |
25.9 |
41.4 |
| LM12710 |
0.8656 |
1.781 |
0.61 |
0.655 |
0.475 |
0.05 |
0.05 |
1.183 |
1.02 |
1.63 |
| LM12749/ |
21.986 |
45.974 |
15.494 |
16.637 |
12.065 |
1.3 |
1.3 |
26 |
25.9 |
42.4 |
| LM12711 |
0.8656 |
1.81 |
0.61 |
0.655 |
0.475 |
0.05 |
0.05 |
1.024 |
1.02 |
1.67 |
| L44643/ |
25.4 |
50.292 |
14.224 |
14.732 |
10.668 |
1.3 |
1.3 |
29.5 |
29.5 |
47 |
| L44610 |
1 |
1.98 |
0.56 |
0.58 |
0.42 |
0.05 |
0.05 |
1.161 |
1.16 |
1.85 |
| L44649/ |
26.988 |
50.292 |
14.224 |
14.732 |
10.668 |
3.5 |
1.3 |
31 |
31 |
47 |
| L44610 |
1.0625 |
1.98 |
0.56 |
0.58 |
0.42 |
0.14 |
0.05 |
1.22 |
1.22 |
1.85 |
| L45449/ |
29 |
50.292 |
14.224 |
14.732 |
10.668 |
3.5 |
1.3 |
33 |
33 |
48 |
| L45410 |
1.1417 |
1.98 |
0.56 |
0.58 |
0.42 |
0.14 |
0.05 |
1.299 |
1.3 |
1.89 |
| LM67048/ |
31.75 |
59.131 |
15.875 |
16.764 |
11.811 |
... |
1.3 |
36 |
36.1 |
55.9 |
| LM67010 |
1.25 |
2.328 |
0.625 |
0.66 |
0.465 |
... |
0.05 |
1.417 |
1.42 |
2.2 |
| LM48548/ |
34.925 |
65.088 |
18.034 |
18.288 |
13.97 |
... |
1.3 |
40 |
39.9 |
61 |
| LM48510 |
1.375 |
2.5625 |
0.71 |
0.72 |
0.55 |
... |
0.05 |
1.575 |
1.57 |
2.4 |
| L68149/ |
34.988 |
59.131 |
15.875 |
16.764 |
11.938 |
... |
1.3 |
45.5 |
39.1 |
55.9 |
| L68110 |
1.3775 |
2.328 |
0.625 |
0.66 |
0.47 |
... |
0.05 |
1.791 |
1.54 |
2.2 |
| L68149/ |
34.988 |
59.974 |
15.875 |
16.764 |
11.938 |
... |
1.3 |
39 |
39.1 |
55.9 |
| L68111 |
1.3775 |
2.3612 |
0.625 |
0.66 |
0.47 |
... |
0.05 |
1.535 |
1.54 |
2.2 |
| JL69349/ |
38 |
63 |
17 |
17 |
13.5 |
... |
1.3 |
42.5 |
41.4 |
61.2 |
| JL69310 |
1.4961 |
2.4803 |
0.6693 |
0.6693 |
0.5315 |
... |
0.05 |
1.673 |
1.63 |
2.41 |
| LM78349/ |
34.988 |
61.973 |
16.7 |
17 |
13.6 |
... |
1.5 |
46 |
40 |
54 |
| LM78310 |
1.3775 |
2.4399 |
0.6575 |
0.6693 |
0.5354 |
... |
0.059 |
1.811 |
1.575 |
2.126 |
| JL68145/ |
34.988 |
59.974 |
15.875 |
18.461 |
11.938 |
... |
1.3 |
45.5 |
39 |
53 |
| JL68111 |
1.3774 |
2.3612 |
0.625 |
0.7268 |
0.47 |
... |
0.512 |
1.791 |
1.535 |
2.087 |
| 329013 |
29 |
50.292 |
14.224 |
17.6 |
10.668 |
3.5 |
1.3 |
39.5 |
33 |
44.5 |
| 1.1417 |
1.98 |
0.56 |
0.6929 |
0.42 |
0.138 |
0.0512 |
1.555 |
1.299 |
1.752 |
| |
| 轴承 |
额定基本负荷 |
作用点 |
常数 |
轴向负荷系数 |
极限转速 |
重量 |
| 型号 |
Cr |
Cor |
a |
e |
Y2 |
Y0 |
脂 |
油 |
Ibs |
kg |
| |
KN |
KN |
mm |
rpm |
rpm |
| LM11749/ |
23.8 |
24.2 |
5.1 |
0.29 |
2.1 |
1.15 |
10000 |
13000 |
0.185 |
0.084 |
| LM11710 |
| LM11949/ |
28.5 |
28.9 |
5.6 |
0.3 |
2 |
1.1 |
9000 |
12000 |
0.268 |
0.122 |
| LM11910 |
| M12649/ |
38.5 |
40 |
6.4 |
0.28 |
2.16 |
1.19 |
8000 |
11000 |
0.372 |
0.169 |
| M12610 |
| M12649A/ |
37.6 |
40.8 |
6.4 |
0.28 |
2.16 |
1.19 |
8000 |
11000 |
0.36 |
0.163 |
| M12610 |
| LM12749/ |
29.6 |
34 |
5.3 |
0.31 |
1.96 |
1.08 |
8500 |
11000 |
0.271 |
0.123 |
| LM12711 |
| LM12749/ |
29.6 |
34 |
5.3 |
0.31 |
1.96 |
1.08 |
8400 |
11000 |
0.271 |
0.123 |
| LM12711 |
| L44643/ |
28.8 |
34 |
3.3 |
0.37 |
1.6 |
0.88 |
7400 |
10000 |
0.286 |
0.13 |
| L44610 |
| L44649/ |
28.8 |
34 |
3.3 |
0.37 |
1.6 |
0.88 |
7400 |
10000 |
0.264 |
0.12 |
| L44610 |
| L45449/ |
28 |
35.5 |
3.5 |
0.37 |
1.62 |
0.89 |
7200 |
9600 |
0.251 |
0.114 |
| L45410 |
| LM67048/ |
34.5 |
41.5 |
3.8 |
0.41 |
1.46 |
0.8 |
6300 |
8500 |
0.4 |
0.182 |
| LM67010 |
| LM48548/ |
47.5 |
47.5 |
3.1 |
0.38 |
1.59 |
0.88 |
5700 |
7600 |
0.548 |
0.249 |
| LM48510 |
| L68149/ |
35.5 |
47.5 |
2.5 |
0.42 |
1.44 |
0.79 |
6000 |
8000 |
0.385 |
0.175 |
| L68110 |
| L68149/ |
35.5 |
47.5 |
2.5 |
0.42 |
1.44 |
0.79 |
6100 |
8100 |
0.403 |
0.183 |
| L68111 |
| JL69349/ |
38.5 |
52.5 |
2.3 |
0.42 |
1.44 |
0.79 |
5700 |
7600 |
0.436 |
0.198 |
| JL69310 |
| LM78349/ |
38 |
50 |
14.4 |
0.44 |
1.4 |
0.74 |
5600 |
8000 |
0.603 |
0.204 |
| LM78310 |
| JL68145/ |
35 |
47 |
13.2 |
0.42 |
1.4 |
0.79 |
6000 |
8000 |
0.406 |
0.184 |
| JL68111 |
| 329013 |
26.8 |
34 |
10.8 |
0.37 |
1.6 |
0.89 |
14000 |
17000 |
0.256 |
0.116 |
注：
1. 这些最大的截面的半径会被轴承角磨平
2.负值表示中心点在锥形背面以内
