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. | |||||||||||
| 100 | 150
180 180 180 180 180 215 215 215 215 215 |
24
34 34 46 46 60.3 47 47 73 73 82.6 |
1.5
2.1 2.1 2.1 2.1 2.1 3 3 3 3 3 |
1.1
2.1 2.1 2.1 2.1 2.1 3 3 3 3 3 |
113
— 119 120 119 120 — 127.5 129.5 127.5 129.5 |
—
160 — — — — 185.5 — — |
114
229 312 322 417 409 373 474 544 713 663 |
120
217 306 338 444 459 337 424 548 717 706 |
15.8
28.1 43.0 47.3 60.7 61.9 47.2 58.7 74.1 94.7 93.2 |
NU1020
N220 NU220R NU2220 NU2220R NU3220 N320 NU320R NU2320 NU2320R NU3320 |
1, 3
4, 5 1~3 1~3 1~3 1 4, 5 1~3 1~3 1~3 1 |
1.46 (3.38) 3.52
4.67 4.82 6.62 (7.59) 7.75 11.9 12.1 15.0 |
| 105 | 160
190 225 225 |
26
36 49 77 |
2
2.1 3 3 |
1.1
2.1 3 3 |
119.5
— — 135 |
—
168.8 195 — |
136
251 451 711 |
149
241 417 750 |
19.6
34.1 57.2 97.3 |
NU1021
N221 N321 NU2321 |
1, 3
4, 5 4, 5 1, 3 |
1.85 (4.44) (8.68)
15.6 |
| 110 | 170
200 200 200 200 200 240 240 240 240 |
28
38 38 53 53 69.8 50 50 80 80 |
2
2.1 2.1 2.1 2.1 2.1 3 3 3 3 |
1.1
2.1 2.1 2.1 2.1 2.1 3 3 3 3 |
125
— 132.5 132.5 132.5 132.5 — 143 143 143 |
—
178.5 — — — — 207 — — — |
168
300 366 416 479 533 502 564 755 843 |
171
290 365 442 517 607 467 525 789 880 |
21.7
40.1 51.1 58.8 69.9 80.6 62.9 70.0 102 112 |
NU1022
N222 NU222R NU2222 NU2222R NU3222 N322 NU322R NU2322 NU2322R |
1, 3
4, 5 1~3 1~3 1~3 1 4, 5 1~3 1~3 1~3 |
2.31 (5.24) 4.90
6.93 6.93 9.55 (10.4) 10.7 18.8 18.8 |
| 120 | 165
180 |
27 1.1 1.1 28 2 1.1 | 131.5
135 |
—
— |
146
173 |
188
181 |
23.1
22.6 |
NU2924
NU1024 |
1
1, 3 |
1.72
2.47 |
||
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