KOYO angular contact ball bearings
d | Boundary dimensions
(mm) |
r1 1) min. |
Basic load ratings (kN)
Single row Matched pair Cr C0r Cr C0r |
Fatigue load limit (kN) Cu
(Single row) (Matched pair) |
Single row |
Bearing No.
Back-to-back Face-to-face DB DF |
(Refer.)
Mass Single row (kg) |
||||||||
D B C | r
min. |
||||||||||||||
240 | 320
320 329.5 360 360 |
38
38 40 56 56 |
—
— —
— — |
2.1
2.1 2.1 3 3 |
1.1
1.1 1.1 1.1 1.1 |
241
214 247 364 325 |
255
223 265 375 338 |
391
348 401 591 528 |
510
446 529 751 677 |
7.85
6.90 8.10 12.3 11.1 |
15.7
13.8 16.2 24.6 22.2 |
7948
7948B AC4833B 7048 7048B |
7948DB
7948BDB AC4833BDB 7048DB 7048BDB |
7948DF
7948BDF AC4833BDF 7048DF 7048BDF |
8.00 8.00 9.80
19.7 20.1 |
250 | 340
349.5 |
35
46 |
38 | 2.1
2.1 |
1.5
1.1 |
216
275 |
230
303 |
351
446 |
460
606 |
6.90
9.05 |
13.8
18.1 |
AC5034B
AC503546B |
AC5034BDB —
AC503546BDB AC503546BDF |
9.6
13.2 |
|
260 | 360
360 369.5 379.5 400 400 |
46
46 46 56 65 65 |
—
— — — — |
2.1
2.1 2.1 3 4 4 |
1.1
1.1 2.1 1.1 1.5 1.5 |
314
280 308 330 407 364 |
360
315 353 387 478 431 |
510
455 501 536 661 592 |
720
629 706 774 956 862 |
10.6
9.25 10.3 11.2 13.6 12.2 |
21.1
18.5 20.6 22.4 27.1 24.4 |
7952
7952B AC523746B AC5238B 7052 7052B |
7952DB
7952BDB AC523746BDB AC5238BDB 7052DB 7052BDB |
7952DF
7952BDF AC523746BDF AC5238BDF 7052DF 7052BDF |
13.8
13.9 15.5 20.6 28.7 29.3 |
270 | 379.5 | 46 | — | 2.1 | 1.1 | 315 | 367 | 511 | 735 | 10.5 | 21.1 | AC5438B | AC5438BDB AC5438BDF | 24.3 | |
280 | 380
380 389.5 400 420 420 |
46
46 46 52 65 65 |
—
— —
— — — |
2.1
2.1 2.1 4 4 4 |
1.1
1.1 SP 1.5 1.5 1.5 |
318
283 321 335 415 384 |
372
325 381 401 507 453 |
516
460 522 544 675 623 |
744
651 763 803 1 010 906 |
10.6
9.25 10.8 11.2 14.0 13.1 |
21.2
18.5 21.5 22.5 27.9 26.2 |
7956
7956B AC563946AB AC5640B 7056 7056B |
7956DB
7956BDB AC563946ABDB AC5640BDB 7056DB 7056BDB |
7956DF
7956BDF AC563946ABDF AC5640BDF 7056DF 7056BDF |
14.2
14.7 16.5 20.5 30.4 31.0 |
285 | 380
380 |
46
46 |
—
— |
3
2 |
1.1
2 |
257
255 |
296
291 |
418
414 |
592
582 |
8.40
8.25 |
16.8
16.5 |
AC5738
AC5738B |
AC5738DB
AC5738BDB |
AC5738DF
AC5738BDF |
14.1
14.2 |
290 | 409.5 419.5 | 56
60 |
—
— |
3
4 |
1.1
1.5 |
357
365 |
438
455 |
579
593 |
875
910 |
12.1
12.5 |
24.2
25.0 |
AC584156B
AC5842B |
AC584156BDB AC5842BDB | AC584156BDF AC5842BDF | 22.5
26.5 |
300 | 419.5 460 | 56
74 |
—
— |
3
4 |
1.1
1.5 |
354
478 |
436
613 |
576
776 |
873
1 230 |
11.9
16.3 |
23.8
32.5 |
AC604245B
7060B |
AC604256BDB 7060BDB | AC604256BDF 7060BDF | 23
44.9 |
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