圓筒滾珠軸承NU系列內徑20~35mm
基本型號
主要寸法(mm)
基本定格荷重(kgf)
極限速率(rpm)
NU形
NJ形N形NF形
d
D
B
r
r1
dr
Dr
C
Co
脂潤滑
油潤滑
NU 204
NJ N NF
20
47
14
1.5
1
27
40
1540
930
15000
18000
NU 204EWS
NJ - -
47
14
1.5
1
26.5
-
2390
1530
12000
14000
NU2204
NJ - -
47
18
1.5
1
27
-
2060
1350
13000
16000
NU2204EWS
NJ - -
47
18
1.5
1
26.5
-
2840
1920
12000
14000
NU 304
NJ N NF
52
15
2
1
28.5
44.5
2140
1300
12000
15000
NU 304EWS
NJ - -
52
15
2
1
27.5
-
2920
1850
10000
12000
NU2340
NJ - -
52
21
2
1
28.5
-
3050
2040
11000
14000
NU2340EWS
NJ - -
52
21
2
1
27.5
-
3900
2670
10000
12000
NU1005
- - -
25
47
12
1
0.5
30.5
-
1320
850
15000
18000
NU 205
NJ N NF
52
15
1.5
1
32
45
1740
1120
13000
15000
NU 205EWS
NJ - -
52
15
1.5
1
31.5
-
2720
1840
10000
12000
NU2205
NJ - -
52
18
1.5
1
32
-
2330
1620
11000
14000
NU2205EWS
NJ - -
52
18
1.5
1
31.5
-
3250
2300
10000
12000
NU 305
NJ N NF
62
17
2
2
35
53
2910
1860
10000
12000
NU 305EWS
NJ - -
62
17
2
2
34
-
3850
2540
8000
10000
NU2305
NJ - -
62
24
2
2
35
-
4250
3000
9000
11000
NU2305EWS
NJ - -
62
24
2
2
34
-
5300
3800
8000
10000
NU 405
NJ N NF
80
21
2.5
2.5
38.8
62.8
4300
2730
8500
11000
NU1006
- - -
30
55
13
1.5
0.8
36.5
-
1820
1260
12000
15000
NU 206
NJ N NF
62
16
1.5
1
38.5
53.5
2310
1520
11000
13000
NU 206EWS
NJ - -
62
16
1.5
1
37.5
-
3600
2490
8500
10000
NU2206
NJ - -
62
20
1.5
1
38.5
-
3250
2350
10000
12000
NU2206EWS
NJ - -
62
20
1.5
1
37.5
-
4550
3300
8500
10000
NU 306
NJ N NF
72
19
2
2
42
62
3800
2550
8500
10000
NU 306EWS
NJ - -
72
19
2
2
40.5
-
4950
3400
7100
8500
NU2306
NJ - -
72
27
2
2
42
-
5100
3700
8000
9500
NU2306EWS
NJ - -
72
27
2
2
40.5
-
6900
5250
7100
8500
NU 406
NJ N NF
90
23
2.5
2.5
45
73
6300
4200
7500
9000
NU1007
- - -
35
62
14
1.5
0.8
42
-
2100
1490
11000
13000
NU 207
NJ N NF
72
17
2
1
43.8
61.8
3300
2240
9500
11000
NU 207EWS
NJ - -
72
17
2
1
44
-
4650
3300
7500
9000
NU2207
NJ - -
72
23
2
1
43.8
-
4800
3650
8500
10000
NU2207EWS
NJ - -
72
23
2
1
44
-
5700
4300
7500
9000
NU 307
NJ N NF
80
21
2.5
2
46.2
68.2
4600
3100
8000
9500
NU 307EWS
NJ - -
80
21
2.5
2
46.2
-
6500
4750
6300
7500
NU2307
NJ - -
80
31
2.5
2
46.2
-
6000
4350
7100
8500
NU2307EWS
NJ - -
80
31
2.5
2
46.2
-
9150
7300
6300
7500
NU 407
NJ N NF
100
25
2.5
2.5
53
83
7500
5150
6700
8000