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AC7251BDF KOYO Angular Contact Ball Bearings

KOYO  angular contact ball bearings.

Single-row bearings can accommodate radial load and axial load in one direction.

DB and DF matched pair bearings and double-row bearings can accommodate radial load and axial load in both directions.

Two or more single-row angular contact ball bearings are often combined in order to increase the load rating or rigidity. In this case, two types of arrangements, back-to-back

arrangement (DB) and face-to-face arrangement (DF), are available. If the load rating of a single-row angular contact ball bearing is insufficient, use the tandem arrangement (DT).

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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:  

Bearing Types:
Self-aligning ball bearing
Cylindrical roller bearing
Spherical roller bearing
Tapered roller bearing
Angular contact ball
Needle roller
Deep groove ball bearing
Axial deep groove ball
Pillow block bearing and units
LM/Linear Guide
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