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| 首页 > 滚针轴承 > 带内圈的滚针轴承带密封 |
| 轴径 |
主要尺寸(mm) |
型号 |
基本额定载荷 |
极限转速1) |
| (mm) |
d |
F |
D |
C |
B |
rmin |
NA49..RS 单面密封 |
NA49..2RS 两面密封 |
重量≈g |
动C KN |
静 Co KN |
r/min |
| 10 |
10 |
14 |
22 |
13 |
14 |
0.3 |
NA 4900 RS |
NA 4900 2RS |
24.5 |
6.8 |
6.9 |
13000 |
| 12 |
12 |
16 |
24 |
13 |
14 |
0.3 |
NA 4901 RS |
NA 4901 2RS |
27.5 |
7.6 |
8.3 |
12000 |
| 15 |
15 |
20 |
28 |
13 |
14 |
0.3 |
NA 4902 RS |
NA 4902 2RS |
37 |
8.6 |
10.3 |
10000 |
| 17 |
17 |
22 |
30 |
13 |
14 |
0.3 |
NA 4903 RS |
NA 4903 2RS |
40 |
8.8 |
11 |
9000 |
| 20 |
20 |
25 |
37 |
17 |
18 |
0.3 |
NA 4904 RS |
NA 4904 2RS |
80 |
17.3 |
19.9 |
7500 |
| 25 |
25 |
30 |
42 |
17 |
18 |
0.3 |
NA 4905 RS |
NA 4905 2RS |
89.5 |
19.3 |
24.2 |
6500 |
| 30 |
30 |
35 |
47 |
17 |
18 |
0.3 |
NA 4906 RS |
NA 4906 2RS |
104 |
21.1 |
28.5 |
5500 |
| 35 |
35 |
42 |
55 |
20 |
21 |
0.6 |
NA 4907 RS |
NA 4907 2RS |
175 |
26.5 |
39.5 |
4800 |
| 40 |
40 |
48 |
62 |
22 |
23 |
0.6 |
NA 4908 RS |
NA 4908 2RS |
252 |
36 |
53 |
4200 |
| 45 |
45 |
52 |
68 |
22 |
23 |
0.6 |
NA 4909 RS |
NA 4909 2RS |
290 |
38 |
59 |
3900 |
| 50 |
50 |
58 |
72 |
22 |
23 |
0.6 |
NA 4910 RS |
NA 4910 2RS |
295 |
40 |
64 |
3500 |
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