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
NNU4052
NNU4052K
260
400
140
4
4
1550
3150
1500
289
384
3
3
63.5
NN3052
NN3052K
260
400
104
4
4
1030
1920
2200
282
376
3
3
47.7
NNU3052
NN3052K
260
400
104
4
4
1020
1930
2200
-
384
3
3
46
NNU4952X2
-
260
360
102
2.1
2.1
990
2200
1800
283
349
2
2
32
NN4952
NN4952K
260
360
100
2.1
2.1
748
1700
2400
277
342
2
2
28.3
NNU4952
NNU4952K
260
360
100
2.1
2.1
748
1700
2400
288
349
2
2
30.5
NN3952
NN3952K
260
360
75
2.1
2.1
670
1380
2400
277
342
2
2
21.4
NNU4156
NNU4156K30
280
460
180
5
5
2550
4750
1200
318
440
4
4
120
NN3156
NN3156K
280
460
146
5
5
1520
2790
1200
306
431
4
4
95.7
NNU4056
NNU4056K
280
420
140
4
4
1650
3150
1400
309
404
3
3
66.5
NNU3056
-
280
420
106
4
4
1080
2080
2000
302
395
3
3
51.4
NN3056
NN3056K
280
420
106
4
4
1080
2080
2000
-
404
3
3
49.5
NN4956
NN4956K
280
380
100
2.1
2.1
765
1800
1600
297
361
2
2
32.9
NNUP4956
-
280
380
100
2.1
2.1
765
1800
1600
-
369
2
2
33.5
NNU4956
NNU4956K
280
380
100
2.1
2.1
765
1800
2200
308
369
2
2
32.5
NN3956
NN3956K
280
380
75
2.1
2.1
695
1460
2200
297
361
2
2
22.7
NN4856
-
280
350
69
1.1
1.1
445
1160
1700
293
336
1
1
15.3
NNU4856
NNU4856K
280
350
69
2
2
445
1160
1700
298
340
2
2
15.5
NNU4160
NNU4160K30
300
500
200
5
5
2860
5300
1100
344
480
4
4
155
NNU3160
-
300
500
160
5
5
1760
3150
1100
327
470
4
4
126
NN3160
NN3160K
300
500
160
5
5
1760
3150
1100
327
470
4
4
125
NN4060
NN4060K
300
460
160
4
4
1920
4100
1300
323
435
3
3
97.6
NNU4060
NNU4060K
300
460
160
4
4
1920
4100
1300
333
444
3
3
96
NN3060
NN3060K
300
460
118
4
4
1250
2400
1900
-
444
3
3
68.5
NNU5960X2
-
300
420
150
1.5
1.5
1870
4500
1600
328
412
1.5
1.5
55.5
NN4960
NN4960K
300
420
118
3
3
1020
2360
2000
320
398
2.5
2.5
51.6
NNU4960
NNU4960K
300
420
118
3
3
1020
2360
2000
335
406
2.5
2.5
50
NNU4860
NNU4860K
300
380
80
2.1
2.1
583
1560
1600
320
369
2
2
22
NNU4164
NNU4164K30
320
540
218
5
5
3410
6200
1000
365
520
4
4
200
NNU3164
NNU3164K
320
540
176
5
5
2090
3750
1000
347
509
4
4
154
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: