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Double Row Cylindrical Roller Bearings
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Bearing NO.
Boundary dimensions(mm)
Basic load ratings(kN)
Limiting speed(rpm)
Abutment and fillet dimensions(mm)
Weight (kg)
Cylindrical bore
Tapered bore
d
D
B/C
r 1.2min
r3.4min
Cr
Cor
Speed Ratings
da max
Da max
ra max
rb max
Refer
NN4826
-
130
165
35
1
1
107
238
5000
138
156
1
1
1.82
NN3926
NN3926K
130
180
37
1.5
1.5
173
325
4800
141
168
1.5
1.5
2.59
NNU4926
NNU4926K
130
180
50
1.5
1.5
187
390
4800
144
172
1.5
1.5
3.85
NN4926
NN4926K
130
180
50
1.5
1.5
187
390
4800
141
169
1.5
1.5
3.84
NN3026
NN3026K
130
200
52
1.1
2
284
475
4500
-
190
2
2
5.75
NNU3026
NNU3026K
130
200
52
2
2
284
475
4500
142
187
2
2
5.92
NNU3126
-
130
210
64
2
2
360
580
2800
142
196
2
2
8.49
NNU4126
NNU4126K30
130
210
80
2
1.1
561
965
2800
148
200
2
2
10.5
NN3928
NN3928K
140
190
37
1.5
1.5
201
375
4500
151
179
1.5
1.5
2.78
NNU4928
NNU4928K
140
190
50
1.5
1.5
190
400
4500
154
182
1.5
1.5
4.1
NN4928
NN4928K
140
190
50
1.5
1.5
190
400
4500
151
179
1.5
1.5
4.07
NN3028
NN3028K
140
210
53
2
2
297
520
4300
-
200
2
2
6.2
NNU3028
-
140
210
53
2
2
297
520
4300
152
196
2
2
6.38
NN3128
-
140
225
68
2.1
2.1
400
650
2600
155
209
2
2
10.1
NNU3128
-
140
225
68
2.1
2.1
400
650
2600
155
209
2
2
10.3
NNU4128
NNU4128K30
140
225
85
2.1
2.1
627
1040
2600
158
214
2
2
13
NN4830
NN4830K
150
190
40
1.1
1.1
194
450
4500
-
182.5
1
1
2.75
NN3930
NN3930K
150
210
45
2
2
262
490
4300
163
196
2
2
4.47
NNU4930
NNU4930K
150
210
60
2
2
330
655
4300
166
200
2
2
6.25
NN4930
NN4930K
150
210
60
2
2
330
655
4300
163
196
2
2
6.36
NN3030
NN3030K
150
225
56
2.1
2.1
330
570
4000
-
214
2
2
7.5
NNU3030
-
150
225
56
2.1
2.1
330
570
4000
165
209
2
2
7.81
NN3130
-
150
250
80
2.1
2.1
535
860
2400
165
234
2
2
15.4
NNU4130
NNU4130K30
150
250
100
2.1
2.1
748
1290
2400
174
239
2
2
18
NN4832
-
160
200
40
1
1
150
355
4000
169
191
1
1
2.95
NN3932
NN3932K
160
220
45
2
2
271
520
4000
173
206
2
2
5.02
NNU4932
NNU4932K
160
220
60
2
2
330
680
4000
176
210
2
2
6.6
NN4932
NN4932K
160
220
60
2
2
330
680
4000
173
206
2
2
6.77
NN3032
NN3032K
160
240
60
2.1
2.1
369
655
3800
-
229
2
2
9.1
NNU3032
-
160
240
60
2.1
2.1
369
655
3800
175
224
2
2
9.48
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