KOYO Single-row, matched pair angular contact ball bearings
Various part numbers in stock, welcome inquiry. Fast shipment within 2-3 working days.
| Boundary dimensions | Basic load ratings (kN) | Bearing | No. | (Refer.) | ||||
| (mm) | Single row Matched pair | Single row | Back-to-back DB | Face-to-face DF | Mass | |||
| Cr C0r Cr C0r | Single row | |||||||
| d | D | B | (kg) | |||||
| 310 | 429.5 | 60 | 352 | 435 | AC624360B | AC624360BDB | AC624360BDF | 24.5 |
| 320 | 449.5 | 56 | 398 | 513 | AC644556B | AC644556BDB | AC644556BDF | 27.4 |
| 340 | 479.5 | 65 | 442 | 595 | AC6848B | AC6848BDB | AC6848BDF | 35.7 |
| 350 | 559.5 | 86 | 659 | 952 | AC7056B | AC7056BDB | AC7056BDF | 81.6 |
| 360 | 509.5 | 70 | 475 | 656 | AC7251B | AC7251BDB | AC7251BDF | 42.9 |
| 539.5 | 82 | 577 | 824 | AC725482B | AC725482BDB | AC725482BDF | 63.5 | |
| 380 | 480 | 46 | 316 | 416 | 7876B | 7876BDB | 7876BDF | 18.8 |
| 519.5 | 65 | 424 | 590 | AC7652AB | AC7652ABDB | AC7652ABDF | 39.2 | |
| 540 | 82 | 520 | 747 | AC7654B | AC7654BDB | AC7654BDF | 58.3 | |
| 400 | 559.5 | 70 | 503 | 734 | AC8056B | AC8056BDB | AC8056BDF | 52.1 |
| 420 | 559.5 | 65 | 469 | 683 | AC8456B | AC8456BDB | AC8456BDF | 55.9 |
| 500 | 620 | 56 | 475 | 740 | 78/500 | 78/500DB | 78/500DF | 35.5 |
| 530 | 780 | 112 | 1 010 | 1 810 | 70/530 | 70/530DB | 70/530DF | 174 |
| 560 | 750 | 85 | 676 | 1 170 | 79/560B | 79/560BDB | 79/560BDF | 102 |
| 670 | 900 103 | 879 | 1 680 | 79/670B | 79/670BDB | 79/670BDF | 178 | |
WHCD Bearing Co.,Ltd is professional bearing supplier, engaged in bearing business with more than eighteen years, export to worldwide countries, as America, European, Middle-East, Southeast Asia …etc. with plenty long-term cooperation customers. WHCD Bearing company will provide professional and prompt solution for customers.Original Quality and Warranted, and Bearing experts team support customer service. Various bearing types for customer choose:

![`BTRUX3(UFZ1BYAU@}8]9BF](https://whcdbearings.com/wp-content/uploads/2023/06/BTRUX3UFZ1BYAU@89BF.png)
