Angular Contact Ball Bearings7300 Series-Shandong HZK Bearing Manufacturing Co., Ltd.

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Angular Contact Ball Bearings7300 Series

HZK Single-row angular contact ball bearings can only bear axial loads in one direction. When bearing radial loads, additional axial forces will be generated, and the corresponding reverse loads must be applied. Therefore, these bearings are generally used in pairs. Double-row angular contact ball bearings can bear large combined radial and axial loads and moment loads, mainly radial loads. They can limit the bidirectional axial displacement of the shaft or housing, and have a contact angle of 30 degrees.
HZK angular contact bearings are available in the following series:
1. Single-row: 78XX, 79XX, 70XX, 72XX, 73XX, 74XX
2. Miniature: 70X
3. Double-row: 52XX, 53XX, 32XX, 33XX, LD57, LD58
4.Four-point contact: QJ2XX, QJ3XX

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Product Details

Angular contact ball bearings are divided into the following models: angular contact ball bearings with α=15° (70000C type); angular contact ball bearings with α=25° (70000AC type); angular contact ball bearings with α=40° (70000B type); back-to-back double angular contact ball bearings [70000C (AC, B) / DB type]; face-to-face double angular contact ball bearings [70000C (AC, B) / DF type]; tandem double angular contact ball bearings [70000C (AC, B) / DT type]; double row angular contact ball bearings with ball filling gaps (00000 type); double row angular contact ball bearings without ball filling gaps (00000A type); double row angular contact ball bearings without ball filling gaps and with dust cover on one side (00000A-Z type); double row angular contact ball bearings without ball filling gaps and with dust cover on both sides (00000A-2Z); double-row angular contact ball bearings without ball gaps and with seals on one side (00000ARS); double-row angular contact ball bearings without ball gaps and with seals on both sides (00000A-2RS); four-point angular contact ball bearings (QJ0000), a total of 13 types

Model number	Basic dimensions(mm) d	Basic dimensions(mm) D	Basic dimensions(mm) B	Rated load (N) Cr	Rated load (N) Cor	Limiting speed (1) (rpm) Grease lubrication	Limiting speed (1) (rpm) oil lubrication	Weight ≈kg
7320A	100	215	47	207000	193000	2800	3800	7.29
7320B	100	215	47	190000	178000	2400	3400	7.43
7321A	105	225	49	208000	193000	2600	3600	9.34
7321B	105	225	49	191000	177000	2400	3200	9.43
7322A	110	240	50	220000	215000	2600	3400	11.1
7322B	110	240	50	201000	197000	2200	3000	11.2
7326A	130	280	58	273000	293000	2200	2800	17.5
7326B	130	280	58	250000	268000	1900	2600	17.6
7328A	140	300	62	300000	335000	2000	2600	21.4
7328B	140	300	62	275000	310000	1700	2400	21.6
7330A	150	320	65	315000	370000	1800	2400	26
7330B	150	320	65	289000	340000	1600	2200	25.9
7332A	160	340	68	345000	420000	1700	2200	30.7
7332B	160	340	68	315000	385000	1500	2000	30.8
7334A	170	360	72	390000	485000	1600	2200	35.8
7334B	170	360	72	355000	445000	1400	2000	35.6

Factory Display

Shandong HZK Bearing Factory, located in Panzhuang Industrial Park, Linqing City, Shandong Province, covers a total building area of over 10,000 square meters. HZK BEARING FACTORY mainly produces and sells spherical roller bearings, cylindrical roller bearings, deep groove ball bearings, tapered roller bearings, thrust self-aligning roller bearings, automotive wheel bearings, and more. The factory is equipped with fully automated workshops, heat treatment equipment, lathes, grinding machines, ultra-precision equipment, and assembly facilities. We utilize industry-leading production equipment and testing instruments, and have multi-story warehouses to fully guarantee bearing quality and delivery speed. HZK BEARING also customizes various non-standard products. We welcome customers to visit our factory for guidance, business negotiations, and mutual development.