 
滚针和推力滚子组合轴承
NKXR…Z 系列
|
轴径
Shaft Diameter
mm |
型号
Designation
|
带罩壳轴承代号
Designation with Dust Shield |
尺寸Dimensions |
基本额定载荷
Basic Load Ratings |
极限转速
Limiting Speed
rpm |
|
Fw |
D |
D1
max. |
D2
max. |
C
-0.25 |
C1
-0.2 |
C2
|
dw
E8 |
rs min. |
径向
Radial |
轴向
Axial |
|
mm |
动 Cr
DyRNAVmic |
静 Cor
Static
|
动 Cr
DyRNAVmic
|
静 Cor
Static
|
|
N |
|
15 |
NKXR15 |
NKXR15Z |
15 |
24 |
28.1 |
29.2 |
23 |
9 |
6.5 |
15 |
0.3 |
10.7 |
12.7 |
14.4 |
28.5 |
13000 |
|
17 |
NKXR17 |
NKXR17Z |
17 |
26 |
30.1 |
31.2 |
25 |
9 |
8 |
17 |
0.3 |
11.9 |
15.0 |
15.9 |
33.5 |
12000 |
|
20 |
NKXR20 |
NKXR20Z |
20 |
30 |
35.1 |
36.2 |
30 |
10 |
10.5 |
20 |
0.3 |
16.4 |
23.8 |
24.9 |
53.0 |
10000 |
|
25 |
NKXR25 |
NKXR25Z |
25 |
37 |
42.1 |
43.2 |
30 |
11 |
9.5 |
25 |
0.6 |
18.8 |
30.5 |
33.5 |
76.0 |
8500 |
|
30 |
NKXR30 |
NKXR30Z |
30 |
42 |
47.1 |
48.2 |
30 |
11 |
9.5 |
30 |
0.6 |
22.6 |
36.0 |
35.5 |
86.0 |
7500 |
|
35 |
NKXR35 |
NKXR35Z |
35 |
47 |
52.1 |
53.2 |
30 |
12 |
9 |
35 |
0.6 |
24.3 |
41.5 |
39.0 |
101 |
6500 |
|
40 |
NKXR40 |
NKXR40Z |
40 |
52 |
60.1 |
61.2 |
32 |
13 |
10 |
40 |
0.6 |
26.0 |
47.0 |
56.0 |
148 |
6000 |
|
45 |
NKXR45 |
NKXR45Z |
45 |
58 |
65.2 |
66.5 |
32 |
14 |
9 |
45 |
0.6 |
27.5 |
53.0 |
59.0 |
163 |
5000 |
|
50 |
NKXR50 |
NKXR50Z |
50 |
62 |
70.2 |
71.5 |
35 |
14 |
10 |
50 |
0.6 |
38.0 |
74.0 |
61.0 |
177 |
4800 |
说明：
1、 表中所列基本额定载荷、极限转速和重量，仅供选择参考用。
2、 承的保持架如由塑料制成，允许工作温度：120℃连续，180℃短期。
3、 脂润滑时，极限转速为表列数值的60%。
4、 内圈须单独定货。
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