Welcome to SDVV BEARING GROUP LIMITED
EN
ES
PT
FR
RU
Toggle navigation
Home
About Us
Product
Ball Bearings
Roller Bearings
Track Rollers
Insert Bearings
Plain Bearings
Bearing Housings
Bearing Accessories
Super-precision Bearings
Special Bearings
Linear Motion Bearings
Linear Guideway
Ball Screws
Support Unit
Application
Automotive Bearings
Motorcycle Bearings
Lumber and Mining Equipment
Renewable Energy
Food Processing Bearings
Agricultural Bearings
Home Electrical Appliance
Electrical Motor and Gear Box/Speed Reducer
News
Contact
Languages
EN
ES
PT
FR
RU
WHATSAPP
+86-15550482941
Our mail
manager@sdvvbearing.com
Working time
Be on call 24 hours a day
Home
About Us
Product
Ball Bearings
Roller Bearings
Track Rollers
Insert Bearings
Plain Bearings
Bearing Housings
Bearing Accessories
Super-precision Bearings
Special Bearings
Linear Motion Bearings
Linear Guideway
Ball Screws
Support Unit
Application
Automotive Bearings
Motorcycle Bearings
Lumber and Mining Equipment
Renewable Energy
Food Processing Bearings
Agricultural Bearings
Home Electrical Appliance
Electrical Motor and Gear Box/Speed Reducer
News
Contact
Our services
NN Double Row Cylindrical Roller Bearings
Home
>
SDVV-Bearings
>
Roller Bearings
>
Cylindrical Roller Bearings
> NN Double Row Cylindrical Roller Bearings
NN Double Row Cylindrical Roller Bearings
Send Inquiry
PDF
Description And Technical diameters
select
Inquiry
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
NN3040
NN3040K
200
310
82
2.1
2.1
644
1140
2000
-
299
2
2
22
NNU3040
NNU3040K
200
310
82
2.1
2.1
644
1140
2000
216
293
2
2
22.9
NN4040
NN4040K
200
310
109
2.1
2.1
890
1730
2000
216
293
2
2
30.4
NNU4040X2
-
200
310
115
2.1
2.1
1010
1860
2000
225
299
2
2
31.5
NNU4140
NNU4140K30
200
340
140
3
3
1470
2550
1700
231
327
2.5
2.5
51
NN3944
NN3944K
220
300
60
2.1
2.1
440
895
2800
236
283
2
2
11.4
NNU4944
NNU4944K
220
300
80
2.1
2.1
512
1140
2800
242
289
2
2
16.5
NN4944
NN4944K
220
300
80
2.1
2.1
512
1140
2800
236
283
2
2
16.6
NNU5944X2
-
220
300
100
2.1
2.1
897
1930
2200
236.5
289
2
2
20.5
NN3044
NN3044K
220
340
90
3
3
809
1460
2600
-
327
2.5
2.5
28.5
NNU3044
-
220
340
90
3
3
809
1460
2600
238
320
2.5
2.5
30
NN4044
NN4044K
220
340
118
3
3
1190
2400
2600
238
320
2.5
2.5
39.8
NN3144
-
220
370
120
4
4
1050
1810
1500
241
346
3
3
51.9
NNU3144
-
220
370
120
4
4
1050
1810
1500
241
346
3
3
52.3
NNU4144
NNU4144K30
220
370
150
4
4
1650
2900
1500
254
354
3
3
65
NNU4848
NNU4848K
240
300
60
2
2
358
930
2200
255
290
2
2
9.9
NN4848
-
240
300
60
1.1
1.1
358
930
2200
252
287
1
1
9.77
NN3948
NN3948K
240
320
60
2.1
2.1
460
975
2600
257
302
2
2
12.2
NNU4948
NNU4948K
240
320
80
2.1
2.1
528
1220
2600
262
309
2
2
17.5
NN4948
NN4948K
240
320
80
2.1
2.1
528
1220
2600
257
302
2
2
17.9
NNU5948X2
-
240
320
100
2.1
2.1
880
1960
1400
255
293
2
2
22.5
NN3048
NN3048K
240
360
92
3
3
842
1560
2400
-
347
2.5
2.5
32
NNU3048
NNU3048K
240
360
92
3
3
842
1560
2400
259
340
2.5
2.5
30.8
NN4048
NN4048K
240
360
118
3
3
1240
2600
2400
259
340
2.5
2.5
39.3
NNU4048
-
240
360
118
3
3
1240
2600
2400
259
340
2.5
2.5
42.7
NN3148
NN3148K
240
400
128
4
4
1170
2040
1400
262
376
3
3
64.2
NNU4148
NNU4148K30
240
400
160
4
4
1980
3650
1400
278
384
3
3
85
NN3952
NN3952K
260
360
75
2.1
2.1
670
1380
2400
277
342
2
2
21.4
NNU4952
NNU4952K
260
360
100
2.1
2.1
748
1700
2400
288
349
2
2
30.5
NN4952
NN4952K
260
360
100
2.1
2.1
748
1700
2400
277
342
2
2
28.3
Previous
1
2
3
4
5
6
7
...
9
10
Next
×
Please contact us if you have any enquiries.
Bearing No:
Contacts :
Country :
Phone number :
Company name :
E-mail :
Remark :
Verification: