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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
NU3140M
3032140
200
340
112
3
3
233
1190
1850
1900
2400
218
320
2.5
2.5
41.4
NJ1040EM
42140EH
200
310
51
2.1
2.1
227
450
720
1900
2400
216
293
2
2
14.7
NU1040M
32140
200
310
51
2.1
2.1
227
450
720
1900
2400
216
293
2
2
14.3
NJ2940M
2042940
200
280
48
2.1
2.1
222
365
630
2200
2800
213
263
2
2
9.7
NU2940M
2032940
200
280
48
2.1
2.1
220
365
630
2200
2800
213
263
2
2
9.24
NU1940M
1032940
200
280
38
2.1
2.1
220
268
425
2200
2800
216
263
2
2
7.22
NU3344M/HC
220
460
180
284
2130
3300
800
1100
245
431
4
4
140.6
NU2344EM
32644EH
220
460
145
5
5
284
1780
2620
1000
1300
245
431
4
4
120
N2344EM
2644EH
220
460
145
5
5
407
1780
2620
1000
1300
245
431
4
4
114
NJ2244M
42544
220
400
108
4
4
270
1140
1810
1300
1600
241
376
3
3
63
NU2244M
32544
220
400
108
4
4
270
1140
1810
1300
1600
241
376
3
3
61.8
NJ244M
42244
220
400
65
4
4
270
760
1200
1500
1800
241
376
3
3
35.4
NU244M
32244
220
400
65
4
4
270
760
1200
1500
1800
241
376
3
3
34.7
N244M
2244
220
400
65
4
4
350
760
1200
1500
1800
241
376
3
3
36.7
NJ1044M
42144
220
340
56
3
3
250
500
750
1800
2200
238
320
2.5
2.5
19.6
NU1044M
32144
220
340
56
3
3
250
500
750
1800
2200
238
320
2.5
2.5
18.2
NU2944M
2032944
220
300
48
2.1
1.5
240
280
370
660
1900
2400
236
233
283
286
2
1.5
9.93
NU1944M
1032944
220
300
38
2.1
1.5
240
280
295
495
1900
2400
236
233
283
286
2
1.5
7.88
NU2348M
32648
240
500
155
5
5
310
2000
2990
1000
1300
266
470
4
4
152
NU348M
32348
240
500
95
5
5
310
1400
2200
1000
1300
266
470
4
4
96.3
N348M
2348
240
500
95
5
5
430
1400
2200
1000
1300
266
470
4
4
94.6
NJ2248M
42548
240
440
120
4
4
295
1440
2320
1000
1300
262
415
3
3
86.7
NU2248M
32548
240
440
120
4
4
295
1440
2320
1000
1300
262
415
3
3
84.9
NUP248M
92248
240
440
72
4
4
295
935
1340
1300
1600
262
415
3
3
51.4
NJ248M
42248
240
440
72
4
4
295
935
1340
1300
1600
262
415
3
3
51
NU248M
32248
240
440
72
4
4
295
985
1540
1300
1600
262
415
3
3
46.9
NU1048M
32148
240
360
56
3
3
270
530
820
1700
2000
259
340
2.5
2.5
21.2
NU2948M
2032948
240
320
48
2.1
2.1
260
385
710
2000
2400
253
302
2
2
10.7
NU1948M
1032948
240
320
38
2.1
2.1
260
315
550
2000
2400
253
302
2
2
8.68
NU2352M
32652
260
540
165
6
6
336
2230
3350
900
1200
292
503
5
5
190
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