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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
NN3072
3282172
360
540
134
5
5
106
NN3072K
3182172
360
540
134
5
5
105
NNU4072
-
360
540
180
5
5
141
NNU4072K
-
360
540
180
5
5
140
NNU4172
-
360
600
243
5
5
277
NNU4172K
-
360
600
243
5
5
275
NNU4876
-
380
480
100
1.5
2.1
45
NNU4876K
-
380
480
100
1.5
2.1
44
NNU4976
4482976
380
520
140
4
4
89
NNU4976K
4382976
380
520
140
4
4
87.5
NN3076
3282176
380
560
135
5
5
112
NN3076K
3182176
380
560
135
5
5
110
NNU4076
-
380
560
180
5
5
153
NNU4076K
-
380
560
180
5
5
150
NNU4176
-
380
620
243
5
5
288
NNU4176K
-
380
620
243
5
5
285
NNU4184K
-
420
700
280
6
6
440
NNU4888
-
440
540
100
1.5
1.5
51
NNU4888K
-
440
540
100
1.5
1.5
50
NNU4988
4482988
440
600
160
4
4
132
NNU4988K
4382988
440
600
160
4
4
130
NN3088
3282188
440
650
157
6
6
173
NN3088K
3182188
440
650
157
6
6
170
NNU4088
-
440
650
212
6
6
218
NNU4088K
-
440
650
212
6
6
215
NNU4188
-
440
720
280
6
6
455
NNU4188K
-
440
720
280
6
6
450
NNU4892
-
460
580
118
3
3
75.5
NNU4892K
-
460
580
118
3
3
75
NNU4992
4482992
460
620
160
4
4
136
NNU4992K
4382992
460
620
160
4
4
135
NN3092
3282192
460
680
163
6
6
197
NN3092K
3182192
460
680
163
6
6
195
NNU4092
-
460
680
218
6
6
242
NNU4092K
-
460
680
218
6
6
240
NNU4192
-
460
760
300
7.5
7.5
538
NNU4192K
-
460
760
300
7.5
7.5
535
NNU4996
4482996
480
650
170
5
5
162
NNU4996K
4382996
480
650
170
5
5
160
NN3096
3282196
480
700
165
6
6
203
NN3096K
3182196
480
700
165
6
6
200
NNU4096
-
480
700
218
6
6
277

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