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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
NNU4096K
-
480
700
218
6
6
275
NNU4196
-
480
790
308
7.5
7.5
594
NNU4196K
-
480
790
308
7.5
7.5
590
NNU49/500
44829/500
500
670
170
5
5
166
NNU49/500K
43829/500
500
670
170
5
5
165
NN30/500
32821/500
500
720
167
6
6
212
NN30/500K
-
500
720
167
6
6
210
NNU40/500
-
500
720
218
6
6
288
NNU40/500K
-
500
720
218
6
6
285
NNU41/500
-
500
830
325
7.5
7.5
715
NNU41/500K
-
500
830
325
7.5
7.5
710
NNU49/530
44829/530
530
710
180
5
5
202
NNU49/530K
43829/530
530
710
180
5
5
200
NN30/530
32821/530
530
780
185
6
6
272
NN30/530K
31821/530
530
780
185
6
6
270
NNU40/530
-
530
780
250
6
6
423
NNU40/530K
-
530
780
250
6
6
420
NNU41/530
-
530
870
335
7.5
7.5
795
NNU41/530K
-
530
870
335
7.5
7.5
790
NN39/560
-
560
750
140
5
5
188
NNU49/560
44829/560
560
750
190
5
5
237
NNU49/560K
43829/560
560
750
190
5
5
235
NN6/560
-
560
780
180
6
6
266
NN30/560
32821/560
560
820
195
6
6
318
NN30/560K
31821/560
560
820
195
6
6
315
NNU40/560
-
560
820
258
6
6
478
NNU40/560K
-
560
820
258
6
6
475
NNU41/560
-
560
920
355
7.5
7.5
935
NNU41/560K
-
560
920
355
7.5
7.5
930
NN49/600
42829/600
600
800
200
5
5
278
NNU49/600
44829/600
600
800
200
5
5
283
NNU49/600K
43829/600
600
800
200
5
5
280
NN30/600
32821/600
600
870
200
6
6
385
NN30/600K
31821/600
600
870
200
6
6
355
NNU40/600
-
600
870
272
6
6
535
NNU40/600K
-
600
870
272
6
6
530
NNU41/600
-
600
980
375
7.5
7.5
1110
NNU41/600K
-
600
980
375
7.5
7.5
1100
NNU49/630
44829/630
630
850
218
6
6
358
NNU49/630K
43829/630
630
850
218
6
6
355
NN30/630
32821/630
630
920
212
7.5
7.5
434
NN30/630K
31821/630
630
920
212
7.5
7.5
430
NNU40/630
-
630
920
290
7.5
7.5
640
NNU40/630K
-
630
920
290
7.5
7.5
635

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