滾針-推力圓柱滾針軸承 |
NKXR NKXR...Z |
無或帶固定罩殼 NKXR,NKXR...Z |
|
|
軸徑 |
軸 承 型 號 |
外 型 尺 寸 |
||||||||||
|
帶罩殼軸承 |
FW |
D |
D1 |
D2 |
C |
C1 -0.25 |
C2 -0.2 |
dw E8 |
rs min. |
||
mm |
||||||||||||
15 |
NKXR
15 |
NKXR
15 Z |
15 |
24 |
28 |
29.2 |
23 |
9 |
6.5 |
15 |
0.3 |
|
17 |
NKXR 17 |
NKXR 17 Z |
17 |
26 |
30 |
31.2 |
25 |
9 |
8 |
17 |
0.3 |
|
20 |
NKXR 20 |
NKXR 20 Z |
20 |
30 |
35 |
36.2 |
30 |
10 |
10.5 |
20 |
0.3 |
|
25 |
NKXR 25 |
NKXR 25 Z |
25 |
37 |
42 |
43.2 |
30 |
11 |
9.5 |
25 |
0.6 |
|
30 |
NKXR 30 |
NKXR 30 Z |
30 |
42 |
47 |
48.2 |
30 |
11 |
9.5 |
30 |
0.6 |
|
35 |
NKXR 35 |
NKXR 35 Z |
35 |
47 |
52 |
53.2 |
30 |
12 |
9 |
35 |
0.6 |
|
40 |
NKXR 40 |
NKXR 40 Z |
40 |
52 |
60 |
61.2 |
32 |
13 |
10 |
40 |
0.6 |
|
45 |
NKXR 45 |
NKXR 45 Z |
45 |
58 |
65 |
66.5 |
32 |
14 |
9 |
45 |
0.6 |
|
50 |
NKXR 50 |
NKXR 50 Z |
50 |
62 |
70 |
71.5 |
35 |
14 |
10 |
50 |
0.6 |
下表接上表
基本額定負荷 |
極限轉速2) n1 oil ≈ min-1 |
安裝尺寸 |
適合的內圈3) d F B |
||||
徑向 |
軸向1) |
da |
ra
max. |
||||
動 C N |
靜 C0 N |
動 C N |
靜 C0 N |
||||
10700 |
12700 |
14400 |
28500 |
11000 |
23.7 |
0.3 |
IR 12X15X16 |
11900 |
15000 |
15900 |
33500 |
10000 |
25.7 |
0.3 |
IR 14X17X17 |
16400 |
23800 |
24900 |
53000 |
8500 |
30.7 |
0.3 |
IR 17X20X20 |
18800 |
30500 |
33500 |
76000 |
7000 |
37.7 |
0.3 |
IR 20X25X20 |
22600 |
36000 |
35500 |
86000 |
6000 |
42.7 |
0.3 |
IR 25X30X20 |
24300 |
41500 |
39000 |
101000 |
5500 |
47.7 |
0.6 |
IR 30X35X20 |
26000 |
47000 |
56000 |
148000 |
4800 |
55.7 |
0.6 |
IR 35X40X20 |
27500 |
53000 |
59000 |
163000 |
4400 |
60.6 |
0.6 |
IR 40X45X20 |
38000 |
74000 |
61000 |
177000 |
4000 |
65.5 |
0.6 |
IR 45X50X25 |
*)TN=塑料保持架,允許工作溫度:
潤滑,允許值為表中數值的25%。3)內圈和止動環必須分別地訂購。