 |
Cylindrical Roller Bearings
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
|
原有型号
Original
Designation
|
|||||
d
|
f
|
D
|
B
|
r
min.
|
动 Cr
Dynamic
|
静 Cor
Static
|
|||||
Mm
|
N
|
||||||||||
20
|
NF204E
|
140
|
20
|
47
|
14
|
1
|
0.6
|
14700
|
7350
|
15000
|
12204E
|
|
NFP204E
|
140
|
20 |
47
|
14
|
1
|
0.6
|
14700
|
7350 |
15000 |
22204E
|
|
NUP204E
|
140
|
20 |
47
|
14
|
1
|
0.6
|
14700
|
7350 |
15000 |
92204E
|
|
NF304E
|
201
|
20 |
52
|
15
|
1.1
|
0.6
|
20500
|
10400
|
12000
|
12304E
|
|
NFP304E
|
201
|
20 |
52
|
15
|
1.1
|
0.6
|
20500
|
10400 |
12000 |
22304E
|
|
NUP304E
|
201
|
20 |
52
|
15
|
1.1
|
0.6
|
20500
|
10400 |
12000 |
92304E
|
25
|
NF205E
|
140
|
25
|
52
|
15
|
1
|
0.6
|
16800
|
8800
|
12000 |
12205E
|
|
NFP205E
|
140
|
25 |
52
|
15
|
1
|
0.6
|
16800
|
8800 |
12000 |
22205E
|
|
NUP205E
|
160
|
25 |
52
|
15
|
1
|
0.6
|
16800
|
8800 |
12000
|
92205E
|
|
NF305E
|
254
|
25 |
62
|
17
|
1.1
|
1.1
|
28600
|
15000
|
9500
|
12305E
|
|
NFP305E
|
254
|
25 |
62
|
17
|
1.1
|
1.1 |
28600
|
15000 |
9500 |
22305E
|
|
NUP305E
|
254
|
25 |
62
|
17
|
1.1
|
1.1 |
28600
|
15000 |
9500 |
92305E
|
30
|
NF206E
|
216
|
30 |
62
|
16
|
1
|
0.6
|
22400
|
12000
|
10000
|
12206E
|
|
NFP206E
|
219
|
30 |
62
|
16
|
1
|
0.6
|
22400
|
12000 |
10000 |
22206E
|
|
NUP206E
|
219
|
30 |
62
|
16
|
1
|
0.6
|
22400
|
12000 |
10000 |
92206E
|
|
NF306E
|
377
|
30 |
72
|
19
|
1.1
|
1.1
|
36900
|
20000
|
8500
|
12306E
|
|
NFP306E
|
395
|
30 |
72
|
19
|
1.1
|
1.1
|
36900
|
20000 |
8500 |
22306E
|
|
NUP306E
|
395
|
30 |
72
|
19
|
1.1
|
1.1
|
36900
|
20000 |
8500 |
92306E
|
35
|
NF207E
|
300
|
35 |
72
|
17
|
1.1
|
0.6
|
31900
|
17600
|
9000
|
12207E
|
|
NFP207E
|
321
|
35 |
72
|
17
|
1.1
|
0.6
|
31900
|
17600 |
9000 |
22207E
|
|
NUP207E
|
321
|
35 |
72
|
17
|
1.1
|
0.6
|
31900
|
17600 |
9000 |
92207E
|
|
NF307E
|
535
|
35 |
80
|
21
|
1.5
|
1.1
|
44600
|
25000
|
8000
|
12307E
|
|
NFP307E
|
575
|
35 |
80
|
21
|
1.5
|
1.1
|
44600
|
25000 |
8000 |
22307E
|
|
NUP307E
|
575
|
35 |
80
|
21
|
1.5
|
1.1
|
44600
|
25000 |
8000 |
92307E
|
40
|
NF208E
|
390
|
40 |
80
|
18
|
1.1
|
1.1
|
41800
|
24000
|
8500
|
12208E
|
|
NFP208E
|
396
|
40 |
80
|
18
|
1.1
|
1.1
|
41800
|
24000 |
8500 |
22208E
|
|
NUP208E
|
396
|
40 |
80
|
18
|
1.1
|
1.1
|
41800
|
24000 |
8500 |
92208E
|
|
NF208E
|
750
|
40 |
90
|
23
|
1.5
|
1.1
|
56100
|
32500
|
6700
|
12308E
|
|
NFP208E
|
750
|
40 |
90
|
23
|
1.5
|
1.1
|
56100
|
32500 |
6700 |
22308E
|
|
NUP208E
|
694
|
40 |
90
|
23
|
1.5
|
1.1
|
56100
|
32500 |
6700 |
92308E
|
、
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、
轴承的保持架如由塑料制成，在型号后加TN，允许工作温度：120℃连续，150℃临时，180℃短期。
3、 脂润滑时，极限转速为表列数值的60%。
|
