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Roller Bearings
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Cylindrical Roller Bearing
> Single Row Cylindrical Roller Bearings
Single Row Cylindrical Roller Bearings
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Description And Technical diameters
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Inquiry
Bearing NO.
Boundary dimensions(mm)
Basic load ratings(kN)
Limiting speed(rpm)
Abutment and fillet dimensions(mm)
Weight (kg)
New
Old
d
D
B
r 1.2min
r3、4min
Fw
Ew
Cr
Cor
Grease
Oil
da min
db min
Da max
Db max
ra max
rb max
Refer
NU32/530
30322/530
530
980
355
9.5
9.5
645
9150
17400
420
520
582
921
8
8
1230
N31/530
30027/530
530
870
272
7.5
7.5
801
6500
11200
480
560
611
834
6
6
680
N30/530
30021/530
530
780
185
6
6
724
4000
8200
560
670
587
754
5
5
310
NU20/530
20321/530
530
780
145
6
6
591
3500
7100
560
670
570
754
5
5
255
NU10/530
321/530
530
780
112
6
6
593
2200
4050
670
800
570
754
5
5
190
NUP29/530
20929/530
530
710
106
5
5
573
2180
4600
700
850
566
690
4
4
125
NU29/530
20329/530
530
710
106
5
5
573
2180
4600
750
900
566
690
4
4
119
NU19/530
10329/530
530
710
82
5
5
575
1460
2910
750
900
566
690
4
4
92
NJ28/530
20428/530
530
650
72
3
3
560.5
1170
2750
750
900
544
636
2.5
2.5
52
NF28/530
20128/530
530
650
72
3
3
622
1160
2800
750
900
544
636
2.5
2.5
52.2
NU12/560
10322/560
560
1030
206
9.5
9.5
668
6970
10200
480
560
600
990
8
8
805
NU20/560
20321/560
560
820
150
6
6
626
3650
6890
530
630
586
794
5
5
290
NJ10/560
421/560
560
820
115
6
6
625
2120
3980
630
750
586
794
5
5
210
NU10/560
321/560
560
820
115
6
6
625
2120
3980
630
750
586
794
5
5
210
NU19/560
10329/560
560
750
85
5
5
608
1510
3100
670
800
592
715
4
4
110
NU28/560
20328/560
560
680
72
3
3
594
985
2610
700
850
585
653
2.5
2.5
55.6
NJ18/560
10428/560
560
680
56
3
3
591
780
1750
700
850
584
647
2.5
2.5
44.5
N30/600
30321/600
600
870
200
6
6
814
4890
9860
500
600
626
844
5
5
415
NU20/600
20321/600
600
870
155
6
6
661
3970
7800
500
600
626
844
5
5
325
NU10/600
321/600
600
870
118
6
6
661
2650
5050
600
700
626
844
5
5
245
NUP29/600
20929/600
600
800
118
5
5
649
2760
6500
630
750
620
780
4
4
165
NU29/600
20329/600
600
800
118
5
5
649
2760
6500
630
750
620
780
4
4
157
NF19/600
10129/600
600
800
90
5
5
655
1590
3400
630
750
736
780
4
4
135
NUP19/600
10929/600
600
800
90
5
5
655
1590
3400
630
750
642
780
4
4
140
NU19/600
10329/600
600
800
90
5
5
655
1590
3400
630
750
642
780
4
4
130
NU28/600
20328/600
600
730
78
3
3
635
1180
3050
670
800
626
716
2.5
2.5
68
NU18/600
10328/600
600
730
60
3
3
632
865
1990
670
800
625
716
2.5
2.5
50.5
NU30/630
30321/630
630
920
212
7.5
7.5
699
6230
1420
450
530
666
887
6
6
490
NU20/630
20321/630
630
920
170
7.5
7.5
699
4500
9000
480
560
666
887
6
6
285
NUP10/630
10921/630
630
920
128
7.5
7.5
702
3200
6000
450
530
666
887
6
6
285
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