The 623-2RS is a high-performance miniature deep groove ball bearing with a standard size of 3mm ID × 10mm OD × 4mm width, featuring a compact structure ideal for precision devices with limited space; it is equipped with double-sided metal shields to effectively block dust and impurities, offers outstanding high-temperature resistance that ensures stable lubrication and rotation even in relatively high-temperature environments without jamming or failure, and also provides excellent radial load capacity, high-speed adaptability and wear resistance with smooth operation, low noise and long service life, making it widely used in micro motors, precision instruments, small transmission mechanisms, electric toys and other small electromechanical equipment with certain temperature requirements.
| Parameter | Details |
| Bearing No. | 623-2RS |
| Bore(d) | 3 mm |
| Outer Diameter(D) | 10 mm |
| Width(B) | 4 mm |
| Seal | Double metal shields (ZZ) |
| Dynamic Load (Cr) | 360 N |
| Static Load (Cor) | 130 N |
| Material | GCr15 bearing steel |
Established in
Annual output of 100 million
Factory Area
Ningbo Zhenhai Hualei Bearing Co, Ltd was established in 2001 and is a professional manufacturer of miniature deep groove ball bearings. We provide a series of deep groove ball bearings with different models. We have registered trademark "HLGS", and our products have been widely used in a majority of areas, such as food machinery, household appliances, automotive electromechanical, electric tools, mechanical transmission devices, and motors.
We are always in line with the business philosophy of "sincere trust and efficient service'. After a decade of accumulation, we have established a good reputation with our customers. All products are strictly tested by advanced equipment, and our company strictly follows SO9001and ISO/TS 16949 management systems. In 2016, we established a subsidiary, Ningbo Hotex Mechanical & Electrical Technology Co., Ltd., as the Import & Export Department. We expect sincere cooperation with friends from the homeland and abroad.