 |
无挡边滚针轴承
Needle Roller Bearings without Rib
轴径
Shaft
Diameter
mm
|
型号
Designation
|
重量
Mass
g
|
尺寸Dimensions
|
基本额定载荷
Basic Load
Ratings
|
极限转速
Limiting
Speed
Rpm
|
|||||||
d
|
F
|
D
|
E
|
B
|
r
min.
|
动
Cr
Dynamic
|
静
Cor
Static
|
|||||
Mm
|
N
|
|||||||||||
6
|
NAO6×17×10
|
14
|
6
|
10
|
17
|
13
|
10
|
0.3
|
4.75
|
5.5
|
29000
|
|
9
|
NAO9×22×12
|
24
|
9
|
12
|
22
|
18
|
12
|
0.3 |
10
|
10000
|
25000
|
|
12
|
NAO12×24×13
|
30
|
12
|
16
|
24
|
20
|
13
|
0.3 |
8.9
|
11800
|
24000
|
|
|
*NAO12×24×20
|
44
|
12
|
16
|
24
|
20
|
20
|
0.3 |
13.3
|
19800
|
24000
|
|
|
NAO12×28×12
|
40
|
12
|
16
|
28
|
22
|
12
|
0.3 |
11.5
|
12500
|
2200
|
|
15
|
NAO15×28×13
|
29
|
15
|
20
|
28
|
24
|
13
|
0.3 |
9.8
|
14300
|
22000
|
|
|
NAO15×32×12
|
50
|
15
|
20
|
32
|
26
|
12
|
0.3 |
13.4
|
16200
|
21000
|
|
17
|
NAO17×30×13
|
42
|
17
|
22
|
30
|
26
|
13
|
0.3 |
10.4
|
15900
|
21000
|
|
|
NAO17×35×16
|
78
|
17
|
22
|
35
|
29
|
16
|
0.3 |
20
|
25500
|
19000
|
|
20
|
NAO20×35×17
|
76
|
20
|
25
|
35
|
29
|
17
|
0.3 |
14.9
|
26000
|
18000
|
|
|
NAO20×37×16
|
82
|
20
|
25
|
37
|
32
|
16
|
0.3 |
21
|
28000
|
18000
|
|
25
|
NAO25×40×17
|
88
|
25
|
30
|
40
|
35
|
17
|
0.3 |
19.6
|
34000
|
15000
|
|
|
NAO25×42×16
|
86
|
25
|
30
|
42
|
37
|
16
|
0.3 |
23.1
|
33500
|
15000
|
|
|
*NAO25×42×32
|
190
|
25
|
30
|
42
|
37
|
32
|
0.3 |
39.5
|
67000
|
13000
|
|
30
|
NAO30×45×13
|
77
|
30
|
35
|
45
|
40
|
13
|
0.3 |
16.2
|
28000
|
13000
|
|
|
NAO30×45×17
|
102
|
30
|
35
|
45
|
40
|
17
|
0.3 |
20.8
|
38500
|
13000
|
|
|
*NAO30×45×26
|
157
|
30
|
35
|
45
|
40
|
26
|
0.3 |
27.5
|
56000
|
13000
|
|
|
NAO30×47×16
|
109
|
30
|
35
|
47
|
42
|
16
|
0.3 |
24.4
|
37500
|
130000
|
|
|
NAO30×47×18
|
119
|
30
|
35
|
47
|
42
|
18
|
0.3 |
27.5
|
43000
|
130000
|
|
|
NAO30×52×18
|
177
|
30
|
35
|
52
|
44
|
18
|
0.3 |
28
|
45500
|
12000
|
|
35
|
NAO35×50×17
|
113
|
35
|
40
|
50
|
45
|
17
|
0.3 |
21.4
|
41500
|
12000
|
|
|
NAO35×55×20
|
190
|
35
|
40
|
55
|
47
|
20
|
0.3 |
32.5
|
57000
|
11000
|
|
40
|
NAO40×55×17
|
127
|
40
|
45
|
55
|
50
|
17
|
0.3 |
22.5
|
46000
|
10000
|
|
|
NAO40×65×20
|
279
|
40
|
50
|
65
|
58
|
20
|
0.3 |
35.5
|
62000
|
9000
|
|
50
|
NAO50×68×20
|
230
|
50
|
55
|
68
|
60
|
20
|
0.6
|
28.5
|
66000
|
8500
|
|
|
NAO50×78×20
|
410
|
50
|
60
|
78
|
68
|
20
|
1
|
43.5
|
85000
|
7500
|
|
70
|
NAO70×100×30
|
850
|
70
|
80
|
100
|
88
|
30
|
1 |
71
|
176000
|
6000
|
|
75
|
NAO75×105×25
|
696
|
75
|
85
|
105
|
93
|
25
|
1 |
57
|
136000
|
5500
|
|
80
|
NAO80×110×30
|
920
|
80
|
90
|
110
|
98
|
30
|
1 |
68
|
172000
|
5000
|
|
90
|
NAO90×120×30
|
1044
|
90
|
100
|
120
|
108
|
30
|
1 |
71
|
188000
|
4700
|
|
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、脂润滑时，极限转速为表列数值的60%。 3、*为双列，外圈带润滑油槽和油孔。
3. * The inner race is double-row, and a lubrication hole and groove on the outer race.
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