滚针和推力球组合轴承
Combined Needle Roller and Thrust Ball Bearings
轴径
Shaft
Diameter
mm
|
型号
Designation
|
尺寸Dimensions
|
基本额定载荷
Basic Load
Ratings
|
极限转速 Limiting Speed rpm |
|||||||||||
油润滑
Oil
Lubrication
|
脂润滑
Grease
Lubrication
|
Fw
|
D
|
C
±0.25
|
C1
|
dw
|
rs
min.
|
径向
Radial
|
轴向
Axial
|
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mm
|
动 Cr
Dynamic
|
静 Cor
Static
|
动 Cr
Dynamic
|
静 Cor
Static
|
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K N
|
|||||||||||||||
7
|
NX7TN
|
NX7ZTN
|
7
|
14
|
18
|
4.7
|
7
|
0.3
|
2.850
|
2.650
|
3.150
|
4.300
|
15000 |
||
10
|
NX10
|
NX10Z
|
10
|
19
|
18
|
4.7
|
10
|
0.3
|
4.450
|
3.700
|
4.600
|
7.200
|
11000 |
||
12
|
NX12
|
NX12Z
|
12
|
21
|
18
|
4.7
|
12
|
0.3
|
4.800
|
4.300
|
4.850
|
8.200
|
9500 |
||
15
|
NX15
|
NX15Z
|
15
|
24
|
28
|
8
|
15
|
0.3
|
10.700
|
12.700
|
5.600
|
10.400
|
8000 |
||
17
|
NX17
|
NX17Z
|
17
|
26
|
28
|
8
|
17
|
0.3
|
11.900
|
15
|
5.800
|
11.500
|
7500 |
||
20
|
NX20
|
NX20Z
|
20
|
30
|
28
|
8
|
20
|
0.3
|
13.0
|
17.500
|
7
|
14.700
|
6500 |
||
25
|
NX25
|
NX25Z
|
25
|
37
|
30
|
8
|
25
|
0.3
|
14.9
|
22.400
|
11.100
|
24.300
|
4900 |
||
30
|
NX30
|
NX30Z
|
30
|
42
|
30
|
10
|
30
|
0.3
|
22.600
|
36
|
11.700
|
28
|
4300 |
||
35
|
NX35
|
NX35Z
|
35
|
47
|
30
|
10
|
35
|
0.3
|
24.300
|
41.500
|
12.400
|
32.500
|
3700 |
||
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、 轴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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