KOYO Cylindrical roller bearings
| d |
D |
Boundary dimensions
(mm) |
Fw |
Ew |
Basic load ratings
(kN) Cr C0r |
Fatigue
load limit (kN) Cu |
Bearing No. 1) |
De- sign | (Refer.) Mass
NU (N) (kg) |
|||||
| B | r r1 min. min. | |||||||||||||
| 200 | 420
420 420 |
80
138 165 |
5
5 5 |
5
5 5 |
260
260 260 |
360
— — |
1
1 2 |
220
890 330 |
1
2 2 |
270
240 930 |
145
244 314 |
NU340
NU2340 NU3340 |
1~5
1~3 1 |
56.2
97.4 113 |
| 220 | 340
370 400 400 400 460 460 460 |
56
120 65 108 144 88 145 180 |
3
4 4 4 4 5 5 5 |
3
4 4 4 4 5 5 5 |
250
261 270 270 270 284 284 284 |
350
396 — — |
1
1 2 1 2 2 |
637
550 949 420 040 490 260 660 |
2 1 1 2 1 2 3 |
748
140 080 810 880 570 690 300 |
88.1
233 123 196 308 176 287 347 |
NU1044
NU3144 NU244 NU2244 NU3244 NU344 NU2344 NU3344 |
1, 3
1 1~5 1, 2 1 1~5 1, 3 1 |
18.5
53.2 38.5 60.9 78.8 74.4 119 148 |
| 240 | 360
360 440 440 440 500 500 |
56
92 72 120 160 95 155 |
3
3 4 4 4 5 5 |
3
3 4 4 4 5 5 |
270
276 295 295 295 310 310 |
385
430 |
1 1 2 1 2 |
673
970 170 790 450 790 710 |
1 1 2 3 1 3 |
822
450 340 320 460 950 320 |
95.0
156 150 246 358 211 346 |
NU1048
NU3048 NU248 NU2248 NU3248 NU348 NU2348 |
1, 3
1 1~5 1, 2 1 1~5 1, 3 |
20.1
33.0 52.1 82.5 107 94.6 152 |
| 260 | 360
360 400 480 480 480 |
46
60 65 80 130 174 |
2.1
2.1 4 5 5 5 |
2.1
2.1 4 5 5 5 |
285
285 296 320 320 320 |
420 — — |
1 2 2 |
566
700 819 380 240 680 |
1
1 2 3 |
777
020 979 580 950 680 |
88.8
114 110 171 305 373 |
NU1952
NU2952 NU1052 NU252 NU2252 NU3252 |
1
1 1, 3 1~5 1, 2 1 |
13.9
18.4 29.2 69.0 107 139 |
| 280 | 350
380 420 |
52
46 65 |
2
2.1 4 |
2
2.1 4 |
298
305 316 |
—
— — |
536
508 841 |
1 |
968
689 030 |
104
78.2 114 |
NU3856
NU1956 NU1056 |
1
1 1, 3 |
11.5
14.7 35.2 |
|
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