LUOYANG PRECISION BEARING FACTORY

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Double-row cylindrical roller bearing
FROM:Luoyang precision bearing factory    TIME:2009/6/18    HIT:819

This type of bearings is separable. As their rollers linearly come into contact with inner ring and outer ring with less coefficient of friction, these bearings have very good capacity of radial load, suitable for drives, automobiles, transmission shafts, gear shafts and so on.

Double-row cylindrical roller bearing
Bearing No.
Principal dimension
mm
Basic load ratings
KN
Weight
d
D
B
r s min
Cr
Cor
Kg
 NN3940
200
280
60
2.1
420
815
1.6
NNU3040
200
310
82
2.1
665
1170
22.7
NN3944
220
300
60
2.1
440
895
11.4
NNU3044
220
340
90
3
815
1480
30
NN4848
240
300
60
1.1
405
1030
9.77
NNU4148
240
400
160
4
1880
3530
81.8
NN3952
260
360
75
2.1
670
1380
21.4
NNU4052
260
400
140
4
1550
3250
65
NN4856
280
350
69
1.1
445
1160
15.3
NNU4956
280
380
100
2.1
960
2230
33
NNU4860
300
380
80
2.1
690
1760
21.7
NN3160
300
500
160
5
1760
3150
125
NNU4864
320
400
80
2.1
700
1840
22.8
NN3064
320
480
121
4
13520
2670
76.6
NN3968
340
460
90
3
905
2020
42.9
NN3972
360
480
90
3
930
2130
44.9
NN4072
360
540
180
5
2530
5450
132
NNU4976
380
520
140
4
1880
4600
88.8
NNU3176
380
620
194
5
2620
4950
228
NNU4840
400
500
100
2.1
905
2540
45.7
NNU3180
400
650
200
6
2770
5400
262
NN3984
4520
560
106
4
1280
2900
71.2
NN3088
440
650
157
6
2360
4900
177
NN3992
460
620
118
4
1610
3700
94.5
NN3096
480
700
165
6
2600
5550
211
NNU49/500
500
670
170
5
2720
7270
171
NN39/530
530
710
136
5
2040
4900
149
NN39/560
560
750
140
5
2370
4860
188
NNU49/600
600
800
200
5
3850
10500
284
NNU49/630
630
850
218
6
400
10800
356
NN49/670
670
900
230
6
4150
11500
419
NNU48/710
710
870
160
4
2640
8350
203
NNU49/800
800
1060
258
6
5700
16500
573
NNU48/850
850
1030
180
5
3400
11400
310

 

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