圓筒滾珠軸承NU系列內徑60~75mm
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
NU1012
- - -
60
95
18
2
1.5
69.5
-
3700
3050
6700
8400
NU 212
NJ N NF
110
22
2.5
2.5
73.5
97.5
6650
5150
6000
7100
NU 212EWS
NJ - -
110
22
2.5
2.5
72
-
9050
7000
4800
5600
NU2212
NJ - -
110
28
2.5
2.5
73.5
-
9350
7950
5300
6300
NU2212EWS
NJ - -
110
28
2.5
2.5
72
-
12100
10200
4800
5600
NU 312
NJ N NF
130
31
3.5
3.5
77
113
11600
8500
4800
5600
NU 312EWS
NJ - -
130
31
3.5
3.5
77
-
13900
10500
3800
4500
NU2312
NJ - -
130
46
3.5
3.5
77
-
16600
13500
4300
5200
NU2312EWS
NJ - -
130
46
3.5
3.5
77
-
20600
17500
3800
4500
NU 412
NJ N NF
150
35
3.5
3.5
83
127
15500
11300
4300
5200
NU1013
- - -
65
100
18
2
1.5
74.5
-
3800
3200
6300
7900
NU 213
NJ N NF
120
23
2.5
2.5
79.6
105.6
7800
6100
5300
6300
NU 213EWS
NJ - -
120
23
2.5
2.5
78.5
-
9950
7750
4300
5300
NU2213
NJ - -
120
31
2.5
2.5
79.6
-
11100
9650
4800
5900
NU2213EWS
NJ - -
120
31
2.5
2.5
78.5
-
13800
11800
4300
5300
NU 313
NJ N NF
140
33
3.5
3.5
83.5
121.5
13300
9950
4500
5300
NU 313EWS
NJ - -
140
33
3.5
3.5
82.5
-
16700
12800
3500
4300
NU2313
NJ - -
140
48
3.5
3.5
83.5
-
18500
15200
3800
4800
NU2313EWS
NJ - -
140
48
3.5
3.5
82.5
-
22900
19200
3500
4300
NU 413
NJ N NF
160
37
3.5
3.5
89.3
135.3
18100
13600
4000
4800
NU1014
- - -
70
110
20
2
1.5
80
-
5400
4450
6000
7100
NU 214
NJ N NF
125
24
2.5
2.5
84.5
110.5
7800
6100
5000
6000
NU 214EWS
NJ - -
125
24
2.5
2.5
83.5
-
11000
8900
4000
4800
NU2214
NJ - -
125
31
2.5
2.5
84.5
-
11100
9700
4600
5600
NU2214EWS
NJ - -
125
31
2.5
2.5
83.5
-
14400
12600
4000
4800
NU 314
NJ N NF
150
35
3.5
3.5
90
130
14700
11100
4000
5000
NU 314EWS
NJ - -
150
35
3.5
3.5
89
-
19000
14800
3300
4000
NU2314
NJ - -
150
51
3.5
3.5
90
-
20700
17300
3600
4500
NU2314EWS
NJ - -
150
51
3.5
3.5
89
-
25400
21500
3300
4000
NU 414
NJ N NF
180
42
4
4
100
152
22500
17200
3600
4300
NU1015
- - -
75
115
20
2
1.5
85
-
5550
4700
5600
6700
NU 215
NJ N NF
130
25
2.5
2.5
88.5
116.5
9350
7550
4800
5600
NU 215EWS
NJ - -
130
25
2.5
2.5
88.5
-
12100
10100
3900
4800
NU2215
NJ - -
130
31
2.5
2.5
88.5
-
12600
11100
4400
5300
NU2215EWS
NJ - -
130
31
2.5
2.5
88.5
-
15000
13400
3900
4800
NU 315
NJ N NF
160
37
3.5
3.5
95.5
139.5
17600
13600
3800
4500
NU 315EWS
NJ - -
160
37
3.5
3.5
95
-
22300
17600
3000
3800
NU2315
NJ - -
160
55
3.5
3.5
95.5
-
25400
21700
3400
4300
NU2315EWS
NJ - -
160
55
3.5
3.5
95
-
30500
26400
3000
3800
NU 415
NJ N NF
190
45
4
4
104.5
160.5
24300
18400
3400
4000