|
滚针-推力球轴承
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NX NX...Z
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NX,NX...Z
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轴径 |
轴 承 型 号 |
外 型 尺 寸 |
|
|
油润滑 |
脂润滑 |
FW |
D |
C |
C1 |
dw |
rs |
|
|
|
|
mm |
-0.25 |
|
|
7 |
NX 7 TN*) |
NX 7 Z TN*) |
7 |
14 |
18 |
4.7 |
7 |
0.3 |
|
|
10 |
NX 10 |
NX 10 Z |
10 |
19 |
18 |
4.7 |
10 |
0.3 |
|
|
12 |
NX 12 |
NX 12 Z |
12 |
21 |
18 |
4.7 |
12 |
0.3 |
|
|
15 |
NX 15 |
NX 15 Z |
15 |
24 |
28 |
8 |
15 |
0.3 |
|
|
17 |
NX 17 |
NX 17 Z |
17 |
26 |
28 |
8 |
17 |
0.3 |
|
|
20 |
NX 20 |
NX 20 Z |
20 |
30 |
28 |
8 |
20 |
0.3 |
|
|
25 |
NX 25 |
NX 25 Z |
25 |
37 |
30 |
8 |
25 |
0.3 |
|
|
30 |
NX 30 |
NX 30 Z |
30 |
42 |
30 |
10 |
30 |
0.3 |
|
|
35 |
NX 35 |
NX 35 Z |
35 |
47 |
30 |
10 |
35 |
0.3 |
|
|
|
下表接上表
|
基本额定负荷 |
极限转速2
n1oil ≈ min-1 |
安装尺寸 |
适合的内圈3) |
止动环4) |
|
dFB |
|
|
|
|
|
|
|
|
|
|
径向 |
轴向1) |
|
C |
D1 |
da |
ra |
|
|
-0.5 |
max. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
动 |
静 |
动 |
静 |
|
|
|
|
|
|
|
|
|
|
|
|
C |
C0 |
C |
C0 |
|
|
|
|
|
|
|
|
|
|
|
|
N |
N |
N |
N |
|
|
|
|
2850 |
2650 |
3450 |
4000 |
15000 |
10 |
16.5 |
9.6 |
0.3 |
-- |
WR 14 |
4450 |
3700 |
5100 |
6700 |
11000 |
10 |
21.9 |
14.6 |
0.3 |
IR6X 10X10 |
WR 19 |
4800 |
4300 |
5300 |
7700 |
9500 |
10 |
23.7 |
16.6 |
0.3 |
IR8X12X10 |
WR 21 |
10700 |
12700 |
6100 |
9700 |
8000 |
12.2 |
26.5 |
19 |
0.3 |
IR 12X15X16 |
WR 24 |
11900 |
15000 |
6400 |
10700 |
7500 |
12.2 |
28.5 |
21 |
0.3 |
IR 14X17X17 |
WR 26 |
13000 |
17500 |
7700 |
13700 |
6500 |
12.2 |
33.6 |
25 |
0.3 |
IR 17X20X16 |
WR 30 |
14900 |
22400 |
12200 |
22600 |
4900 |
14.2 |
40.4 |
31.6 |
0.3 |
IR 20X25X16 |
WR 37 |
22600 |
36000 |
12800 |
26000 |
4300 |
14.2 |
45.1 |
36.5 |
0.3 |
IR 25X30X20 |
WR 42 |
24300 |
41500 |
13600 |
30000 |
3700 |
14.2 |
50.1 |
40.5 |
0.3 |
IR 30X35X20 |
WR 47 |
*)TN=塑料保持架,允许工作温度:120℃连续地,150℃临时地,180℃短期地。1)最小的轴向负荷,Fa=C(轴向)的1%到2%。2)脂
润滑,允许值勤为表中数值的60%。3)内圈和止动环必须分别地订购。4)如两轴承要调至最小的中心距,其止动环必须缩短。