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NK Series Needle Roller Bearing
without Inner Ring |
| 轴径 |
代号 |
重量
g |
尺
寸(mm) |
基本额定负荷 |
极限转速1)
n1 oil≈
min-1 |
备注 |
| mm |
Fw |
D |
C |
rs
min. |
动C
N |
静C0
N |
| 10 |
NK10/12TN |
10.1 |
10 |
17 |
12 |
0.3 |
4750 |
5500 |
29000 |
|
| NK10/16TN |
13.3 |
10 |
17 |
16 |
0.3 |
6200 |
7800 |
29000 |
|
| 12 |
NK12/12 |
12.1 |
12 |
19 |
12 |
0.3 |
6400 |
7100 |
27000 |
|
| NK12/16 |
15.9 |
12 |
19 |
16 |
0.3 |
9000 |
11000 |
27000 |
|
| 14 |
NK14/16 |
20.7 |
14 |
22 |
16 |
0.3 |
10100 |
11500 |
25000 |
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| NK14/20 |
25.5 |
14 |
22 |
20 |
0.3 |
12800 |
15600 |
25000 |
|
| 15 |
NK15/16 |
21.8 |
15 |
23 |
16 |
0.3 |
10700 |
12700 |
24000 |
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| NK15/20 |
26.6 |
15 |
23 |
20 |
0.3 |
13600 |
17200 |
24000 |
|
| 16 |
NK16/16 |
22.4 |
16 |
24 |
16 |
0.3 |
11300 |
13900 |
23000 |
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| NK16/20 |
28.4 |
16 |
24 |
20 |
0.3 |
14400 |
18800 |
23000 |
|
| 17 |
NK17/16 |
23.7 |
17 |
25 |
16 |
0.3 |
11900 |
15000 |
23000 |
|
| NK17/20 |
29.8 |
17 |
25 |
20 |
0.3 |
15100 |
20400 |
23000 |
|
| 18 |
NK18/16 |
24.9 |
18 |
26 |
16 |
0.3 |
12500 |
16200 |
22000 |
|
| NK18/20 |
31.4 |
18 |
26 |
20 |
0.3 |
15800 |
22000 |
22000 |
|
| 19 |
NK19/16 |
26.1 |
19 |
27 |
16 |
0.3 |
13000 |
17400 |
22000 |
|
| NK19/20 |
32.2 |
19 |
27 |
20 |
0.3 |
16500 |
23600 |
22000 |
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| 20 |
NK20/16 |
27 |
20 |
28 |
16 |
0.3 |
13000 |
17500 |
21000 |
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| NK20/20 |
33.9 |
20 |
28 |
20 |
0.3 |
16400 |
23800 |
21000 |
|
| 21 |
NK21/16 |
28.1 |
21 |
29 |
16 |
0.3 |
13500 |
18700 |
21000 |
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| NK21/20 |
35.2 |
21 |
29 |
20 |
0.3 |
17100 |
25500 |
21000 |
|
| 22 |
NK22/16 |
30 |
22 |
30 |
16 |
0.3 |
14000 |
19900 |
20000 |
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| NK22/20 |
37 |
22 |
30 |
20 |
0.3 |
17700 |
27000 |
20000 |
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| 24 |
NK24/16 |
31.9 |
24 |
32 |
16 |
0.3 |
15000 |
22300 |
18000 |
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| NK24/20 |
40 |
24 |
32 |
20 |
0.3 |
19000 |
30500 |
18000 |
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| 25 |
NK25/16 |
32.6 |
25 |
33 |
16 |
0.3 |
14900 |
22400 |
18000 |
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| NK25/20 |
42 |
25 |
33 |
20 |
0.3 |
18800 |
30500 |
18000 |
|
| 26 |
NK26/16 |
34 |
26 |
34 |
16 |
0.3 |
15300 |
23600 |
17000 |
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| NK26/20 |
42 |
26 |
34 |
20 |
0.3 |
19400 |
32000 |
17000 |
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| 1)对于脂润滑,允许值为表列数值的60%。 |
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