Toggle navigation
Home
About SAK
Profile
Background
Professional Testing
Experience
Elite Team
Core Results
Philosophy
Products
Quality
OEM Service
Sales Center
Contact Us
Connection
News
English
Deutsch
Espanol
Home
>
SAK-Bearings
>
Roller Bearings
>
Cylindrical Roller Bearing
> Double Row Cylindrical Roller Bearings
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
NN4940
NN4940K
200
280
80
2.1
2.1
484
1040
3000
216
263
2
2
15.3
NNU4940
NNU4940K
200
280
80
2.1
2.1
484
1040
3000
222
269
2
2
15
NN3940
NN3940K
200
280
60
2.1
2.1
420
815
3000
216
263
2
2
10.6
NNU4840
NNU4840K
200
250
50
1.5
1.5
242
600
2400
212
242
1.5
1.5
5.75
NNU4144
NNU4144K30
220
370
150
4
4
1650
2900
1500
254
354
3
3
65
NNU3144
-
220
370
120
4
4
1050
1810
1500
241
346
3
3
52.3
NN3144
-
220
370
120
4
4
1050
1810
1500
241
346
3
3
51.9
NN4044
NN4044K
220
340
118
3
3
1190
2400
2600
238
320
2.5
2.5
39.8
NNU3044
-
220
340
90
3
3
809
1460
2600
238
320
2.5
2.5
30
NN3044
NN3044K
220
340
90
3
3
809
1460
2600
-
327
2.5
2.5
28.5
NNU5944X2
-
220
300
100
2.1
2.1
897
1930
2200
236.5
289
2
2
20.5
NN4944
NN4944K
220
300
80
2.1
2.1
512
1140
2800
236
283
2
2
16.6
NNU4944
NNU4944K
220
300
80
2.1
2.1
512
1140
2800
242
289
2
2
16.5
NN3944
NN3944K
220
300
60
2.1
2.1
440
895
2800
236
283
2
2
11.4
NNU4148
NNU4148K30
240
400
160
4
4
1980
3650
1400
278
384
3
3
85
NN3148
NN3148K
240
400
128
4
4
1170
2040
1400
262
376
3
3
64.2
NNU4048
-
240
360
118
3
3
1240
2600
2400
259
340
2.5
2.5
42.7
NN4048
NN4048K
240
360
118
3
3
1240
2600
2400
259
340
2.5
2.5
39.3
NNU3048
NNU3048K
240
360
92
3
3
842
1560
2400
259
340
2.5
2.5
30.8
NN3048
NN3048K
240
360
92
3
3
842
1560
2400
-
347
2.5
2.5
32
NNU5948X2
-
240
320
100
2.1
2.1
880
1960
1400
255
293
2
2
22.5
NN4948
NN4948K
240
320
80
2.1
2.1
528
1220
2600
257
302
2
2
17.9
NNU4948
NNU4948K
240
320
80
2.1
2.1
528
1220
2600
262
309
2
2
17.5
NN3948
NN3948K
240
320
60
2.1
2.1
460
975
2600
257
302
2
2
12.2
NN4848
-
240
300
60
1.1
1.1
358
930
2200
252
287
1
1
9.77
NNU4848
NNU4848K
240
300
60
2
2
358
930
2200
255
290
2
2
9.9
NNU4152
NNU4152K30
260
440
180
4
4
2200
3900
1300
300
424
3
3
110
NN3152
NN3152K
260
440
144
4
4
1480
2660
1300
282
415
3
3
89.1
NN4052
NN4052K
260
400
140
4
4
1550
3150
1500
282
376
3
3
59.7
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: