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Metallurgy & Mine Bearings > Double row cylindrical roller bearings


Designation
Old code.
Principal Dimensions(mm)
Weight
(KG)
d
D
B
rsmin
r2smin
NN4830
-
150
190
40
1.1
1.1
2.8
NN4830K
-
150
190
40
1.1
1.1
2.75
NNU4930
4482930
150
210
60
2
2
6.3
NNU4930K
4382930
150
210
60
2
2
6.2
NN3030
3282130
150
225
56
2.1
2.1
7.8
NN3030K
3182130
150
225
56
2.1
2.1
7.7
NNU4130
-
150
250
100
2.1
2.1
18
NNU4130K
-
150
250
100
2.1
2.1
17.5
NNU4932
4482932
160
220
60
2
2
6.6
NNU4932K
4382932
160
220
60
2
2
6.5
NN3032
3282132
160
240
60
2.1
2.1
8.4
NN3032K
3182132
160
240
60
2.1
2.1
8.3
NNU4132
-
160
270
109
2.1
2.1
25
NNU4132K
-
160
270
109
2.1
2.1
24.5
NNU4934
4482934
170
230
30
2
2
7
NNU4934K
4382934
170
230
60
2
2
6.9
NN3034
3282134
170
260
67
2.1
2.1
13.3
NN3034K
3182134
170
260
67
2.1
2.1
12.9
NNU4134
-
170
280
109
2.1
2.1
26
NNU4134K
-
170
280
109
2.1
2.1
25.5
NNU4936
4482936
180
250
69
2
2
11
NNU4936K
4382936
180
250
69
2
2
10.5
NN3036
3282136
180
280
74
2.1
2.1
17
NN3036K
3182136
180
280
74
2.1
2.1
16.5
NNU4136
-
180
300
118
3
3
33
NNU4136K
-
180
300
118
3
3
32.5
NNU4938
4482938
190
260
69
2
2
11.5
NNU4938K
4382938
190
260
69
2
2
11
NN3038
3282138
190
290
75
2.1
2.1
18
NN3038K
3182138
190
290
75
2.1
2.1
17.5
NNU4138
-
190
320
128
3
3
41.5
NNU4138K
-
190
320
128
3
3
41
NNU4840
-
200
250
50
1.1
1.1
5.8
NNU4840K
-
200
250
50
1.1
1.1
5.75
NNU4940
4482940
200
280
80
2.1
2.1
15
NNU4940K
4382940
200
280
80
2.1
2.1
14.5
NN3040
3282140
200
310
82
2.1
2.1
22.5
NN3040K
3182140
200
310
82
2.1
2.1
22
NNU4140
-
200
340
140
3
3
52
NNU4140K
-
200
340
140
3
3
50

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