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Product Details
Needle roller bearings with three-point contact ball bearings withstand heavy radial loads and bidirectional axial loads at the same time during high-speed rotation.
?Noninterchangeable inner rings are separated at the center of the ball raceway surface, and must be firmly tightened against shaft in the axial direction.
?Axial clearance is 0.1-0.3 mm.
?When the axial load exceeds 25% of the radial load, the radial load will be induced onto the angular contact ball bearing and the bearing life will be affected. Therefore, the relationship between the two loads must be carefully considered.
Principal dimensions |
Basic load ratings |
Fatigue load limit |
Speed ratings |
Designation |
||||||||||
radial dynamic |
radial static |
axial dynamic |
axial static |
radial |
axial |
Reference speed |
Limiting speed |
|||||||
ID |
OD |
H |
C |
C |
C 0 |
C |
C 0 |
P u |
P u |
|||||
mm |
kN |
kN |
r/min |
|||||||||||
12 |
24 |
17.5 |
16 |
8.09 |
9.65 |
2.07 |
1.92 |
1.14 |
0.083 |
22000 |
26000 |
NKIB 5901 |
||
15 |
28 |
20 |
18 |
11.2 |
15.3 |
2.27 |
2.37 |
1.83 |
0.099 |
19000 |
22000 |
NKIB 5902 |
||
17 |
30 |
20 |
18 |
11.4 |
16.3 |
2.24 |
2.74 |
1.96 |
0.116 |
18000 |
20000 |
NKIB 5903 |
||
20 |
37 |
25 |
23 |
21.6 |
28 |
3.79 |
4.21 |
3.35 |
0.176 |
15000 |
17000 |
NKIB 5904 |
||
22 |
39 |
25 |
23 |
23.3 |
32 |
4.14 |
4.93 |
3.9 |
0.205 |
14000 |
15000 |
NKIB 59/22 |
||
25 |
42 |
25 |
23 |
24.2 |
34.5 |
4.24 |
5.26 |
4.15 |
0.224 |
13000 |
15000 |
NKIB 5905 |
||
30 |
47 |
25 |
23 |
25.5 |
39 |
4.54 |
6.32 |
4.65 |
0.268 |
11000 |
13000 |
NKIB 5906 |
||
35 |
55 |
30 |
27 |
31.9 |
54 |
5.83 |
8.42 |
6.7 |
0.355 |
9500 |
11000 |
NKIB 5907 |
||
40 |
62 |
34 |
30 |
42.9 |
71 |
7.17 |
10.9 |
8.8 |
0.467 |
8000 |
9500 |
NKIB 5908 |
||
45 |
68 |
34 |
30 |
45.7 |
78 |
7.47 |
12 |
9.65 |
0.513 |
7500 |
8500 |
NKIB 5909 |
||
50 |
72 |
34 |
30 |
47.3 |
85 |
7.74 |
13.7 |
10.6 |
0.579 |
7000 |
8000 |
NKIB 5910 |
||
55 |
80 |
38 |
34 |
57.2 |
106 |
9.27 |
16.7 |
13.2 |
0.697 |
6300 |
7000 |
NKIB 5911 |
||
60 |
85 |
38 |
34 |
60.5 |
114 |
9.58 |
18 |
14.3 |
0.77 |
6000 |
6700 |
NKIB 5912 |
||
65 |
90 |
38 |
34 |
61.6 |
120 |
9.96 |
19.2 |
14.6 |
0.816 |
5600 |
6300 |
NKIB 5913 |
||
70 |
100 |
45 |
40 |
84.2 |
163 |
13.2 |
25 |
20.8 |
1.05 |
5000 |
5600 |
NKIB 5914 |
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