双列圆柱滚子轴承
更新时间 2022-04-29 16:33
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圆柱滚子轴承是一种可分离型轴承，便于安装和拆卸。圆柱滚子与滚道是线型接触，负荷能力大，能承较大的径向负荷和冲压负荷，也适用于高速旋转，此类轴承具有单列、双列、四列等多种变形结构。该类轴承主要用于各类电机、发电机、燃气轮机、机床主轴、减速装置，装卸搬运机械。四列圆滚子轴承主要用于轧钢机。
|
型号
|
d
|
D
|
B
|
H
|
T
|
r min
|
动载荷(C)
|
静载荷(Co)
|
脂润滑
|
油润滑
|
重量(kg)
|
|
NNU4920
|
100
|
140
|
40
|
|
|
1.1
|
125
|
244
|
4300
|
5100
|
|
|
NN3020
|
100
|
150
|
37
|
|
|
1.5
|
146
|
245
|
4000
|
4800
|
1.88
|
|
NNU4921
|
105
|
145
|
40
|
|
|
1.1
|
132
|
270
|
4100
|
4800
|
1.96
|
|
NN3021
|
105
|
160
|
41
|
|
|
2
|
192
|
310
|
3800
|
4100
|
2.96
|
|
NNU4922
|
110
|
150
|
40
|
|
|
1.1
|
132
|
258
|
3900
|
4600
|
2.04
|
|
NN3022
|
110
|
170
|
45
|
|
|
2
|
226
|
365
|
3600
|
4300
|
3.76
|
|
NNU4924
|
120
|
165
|
45
|
|
|
1.1
|
170
|
328
|
3600
|
4200
|
2.76
|
|
NNU4124
|
120
|
200
|
80
|
|
|
1.112
|
|
|
|
|
11
|
|
NN3024
|
120
|
180
|
46
|
|
|
2
|
232
|
390
|
3300
|
3900
|
4.1
|
|
NNU4926
|
130
|
180
|
50
|
|
|
1.5
|
187
|
368
|
3300
|
3900
|
3.79
|
|
NN3026
|
130
|
200
|
52
|
|
|
2
|
284
|
475
|
3100
|
3600
|
6.04
|
|
NNU4928
|
140
|
190
|
50
|
|
|
1.5
|
188
|
394
|
3000
|
3600
|
4.11
|
|
NN3028
|
140
|
210
|
53
|
|
|
2
|
297
|
515
|
2800
|
3300
|
6.48
|
|
NNU4930
|
150
|
210
|
60
|
|
|
2
|
325
|
655
|
2800
|
3300
|
6.2
|
|
NN3030
|
150
|
225
|
56
|
|
|
2.1
|
330
|
570
|
2600
|
3100
|
7.88
|
|
NNU4932
|
160
|
220
|
60
|
|
|
2
|
330
|
653
|
2600
|
3100
|
6.53
|
|
NN3032
|
160
|
240
|
60
|
|
|
2.1
|
369
|
635
|
2500
|
2900
|
6.57
|
|
NNU4934
|
170
|
230
|
60
|
|
|
2
|
336
|
672
|
2500
|
2900
|
6.85
|
|
NN3034
|
170
|
260
|
67
|
|
|
2.1
|
440
|
775
|
2300
|
2700
|
13
|
|
NNU4936
|
180
|
250
|
69
|
|
|
2
|
380
|
830
|
2300
|
2700
|
10.2
|
|
型号
|
d
|
D
|
B
|
H
|
T
|
r min
|
动载荷(C)
|
静载荷(Co)
|
脂润滑
|
油润滑
|
重量(kg)
|
|
NN3036
|
180
|
280
|
74
|
|
|
2.1
|
561
|
994
|
2200
|
2600
|
17
|
|
NNU4938
|
190
|
260
|
69
|
|
|
2
|
402
|
856
|
2200
|
2600
|
10.6
|
|
NN3038
|
190
|
290
|
75
|
|
|
2.1
|
580
|
1040
|
2000
|
2400
|
18
|
|
NNU4940
|
200
|
280
|
80
|
|
|
2.1
|
484
|
1010
|
2100
|
2400
|
14.9
|
|
NN3040
|
200
|
310
|
82
|
|
|
2.1
|
644
|
1140
|
1900
|
2300
|
23
|
|
NNU4944
|
220
|
300
|
80
|
|
|
2.1
|
510
|
1140
|
1900
|
2200
|
16.2
|
|
NNU4944
|
220
|
300
|
80
|
|
|
2.1
|
510
|
1140
|
1900
|
2200
|
16.2
|
|
NN3044
|
220
|
340
|
90
|
|
|
3
|
800
|
1460
|
1700
|
2100
|
32.9
|
|
NNU4948
|
240
|
320
|
80
|
|
|
2.1
|
528
|
1160
|
1700
|
2000
|
17.4
|
|
NNU4148
|
240
|
400
|
160
|
|
|
4
|
|
|
|
|
85
|
|
NN3048
|
240
|
360
|
92
|
|
|
3
|
835
|
1688
|
1600
|
1900
|
|
|
NNU4952
|
260
|
360
|
100
|
|
|
2.1
|
745
|
1800
|
1600
|
1800
|
30.2
|
|
NNU4152
|
260
|
440
|
104
|
|
|
4
|
|
|
|
|
110
|
|
NN3052
|
260
|
400
|
104
|
|
|
4
|
1020
|
1910
|
1500
|
1700
|
48
|
|
NNU4956
|
280
|
380
|
100
|
|
|
2.1
|
764
|
1710
|
1400
|
1700
|
32.2
|
|
NNU4156
|
280
|
460
|
180
|
|
|
5
|
|
|
|
|
120
|
|
NN3056
|
280
|
420
|
106
|
|
|
4
|
1080
|
2060
|
1300
|
1600
|
51.7
|
|
NNU4960
|
300
|
420
|
118
|
|
|
3
|
1020
|
2300
|
1300
|
1500
|
50
|
|
NNU4160
|
300
|
500
|
200
|
|
|
5
|
|
|
|
|
155
|
|
NN3060
|
300
|
460
|
118
|
|
|
4
|
1250
|
2370
|
1200
|
1500
|
71.5
|
|
型号
|
d
|
D
|
B
|
H
|
T
|
r min
|
动载荷(C)
|
静载荷(Co)
|
脂润滑
|
油润滑
|
重量(kg)
|
|
NNU4964
|
320
|
440
|
118
|
|
|
3
|
1060
|
2430
|
1200
|
1400
|
52.7
|
|
NNU4164
|
320
|
540
|
218
|
|
|
5
|
|
|
|
|
200
|
|
NN3064
|
320
|
480
|
121
|
|
|
4
|
1320
|
2580
|
1100
|
1300
|
77.2
|
|
NNU4968
|
340
|
460
|
118
|
|
|
3
|
1100
|
2580
|
1100
|
1300
|
58.5
|
|
NNU3068
|
340
|
520
|
180
|
|
|
4
|
1650
|
3180
|
1100
|
1300
|
140
|
|
NNU4972
|
360
|
480
|
118
|
|
|
3
|
1120
|
2690
|
1100
|
1300
|
61
|
|
NNU4172
|
360
|
600
|
243
|
|
|
5
|
|
|
1000
|
1200
|
275
|
|
NNU4876
|
380
|
480
|
100
|
|
|
1.5/2.1
|
1120
|
2870
|
|
|
44
|
|
NNU4976
|
380
|
520
|
140
|
|
|
4
|
145
|
3500
|
1000
|
1200
|
91.5
|
|
NNU4980
|
400
|
540
|
140
|
|
|
4
|
1470
|
3680
|
940
|
1100
|
92.5
|
|
NNU4884
|
420
|
520
|
100
|
|
|
1.5/2.1
|
1170
|
3180
|
|
|
48
|
|
NNU4984
|
420
|
560
|
140
|
|
|
4
|
1510
|
3830
|
900
|
1100
|
99
|
|
NNU4184
|
420
|
700
|
280
|
|
|
6
|
|
|
|
|
|
|
NNU4988
|
440
|
600
|
160
|
|
|
4
|
2050
|
4970
|
850
|
1000
|
140
|
|
NNU4892
|
460
|
580
|
118
|
|
|
3
|
1190
|
3050
|
|
|
75
|
|
NNU4992
|
460
|
620
|
160
|
|
|
4
|
2220
|
5850
|
800
|
950
|
132
|
|
NNU4896
|
480
|
600
|
118
|
|
|
3
|
|
|
|
|
78
|
|
NNU4996
|
480
|
650
|
170
|
|
|
5
|
2280
|
5900
|
770
|
910
|
165
|
|
NNU4196
|
480
|
790
|
308
|
|
|
7.5
|
6810
|
13820
|
|
|
603
|
|
NNU49/500
|
500
|
670
|
170
|
|
|
5
|
2330
|
5890
|
730
|
860
|
175
|
