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Jiangsu Yinghong Transmission Technology Co., Ltd. Home / Products / Deep Groove Ball Bearings / Bearing Steel Bearings / Thin-Section Series / 69 Series Thin-Section Deep Groove Ball Bearings

69 Series Thin-Section Deep Groove Ball Bearings

This series represents a highly versatile and widely utilized lightweight category within the realm of deep groove ball bearings. The product line offers a diverse range of models—spanning from the 6900 to the 6908 series—capable of accommodating steel balls of larger diameters. 

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Bearing Features

This design configuration serves to enhance both the dynamic and static load ratings of the bearing, while requiring only a marginal increase in installation space. By incorporating proven sealing mechanisms—such as open configurations, dust shields, or contact seals—the bearings effectively prevent lubricant leakage and block the ingress of external contaminants, thereby ensuring long-term, stable operation even under demanding working conditions. As a standardized, general-purpose series, it features high interchangeability, facilitating ease of maintenance and component replacement during the equipment's service life. Consequently, this series stands as the preferred component choice for a wide array of applications, including various power tools, household appliances (such as vacuum cleaners and washing machines), automotive components, small-to-medium-scale mechanical transmission systems, and textile machinery.

Technical Specifications

Bearing Reference  Boundary Diameters  Basic Dynamic  Basic Static  Limiting Speeds 
Flange Open  Shield  seal d(mm) D(mm) Df(mm) B/B1(mm) Bf(mm) rsmin(mm) Cr(kN) Cor(kN) Grease  Oil
F 6900 ZZ 2RS 10 22 25 6 1.5 0.3 2.7 1.27 2.1 2.3
F 6901 ZZ 2RS 12 24 26.5 6 1.5 0.3 2.88 1.47 1.8 2.1
F 6902 ZZ 2RS 15 28 30.5 7 1.5 0.3 4.32 2.26 1.5 1.7
F 6903 ZZ 2RS 17 30 32.5 7 1.5 0.3 4.59 2.57 1.4 1.6
F 6904 ZZ 2RS 20 37 40 9 2 0.3 6.38 3.68 1.2 1.3
F 6905 ZZ 2RS 25 42 45 9 2 0.3 7 4.54 1 1.1
F 6906 ZZ 2RS 30 47 50 9 2 0.3 7.24 5.01 0.9 1

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About Us

Jiangsu Yinghong Transmission Technology Co., Ltd. (YHU) was established in 2024 through the joint investment of Dongguan Yinghong, Linqing Boshuo, and Yancheng Jiwei. As a group-based enterprise specializing in the research, development, manufacturing, and service of transmission products, we leverage extensive industry experience and strong technical expertise to provide reliable, energy-efficient transmission solutions for customers worldwide.

The company covers more than 70 mu of land and operates nearly 10,000 square meters of manufacturing facilities. As a professional manufacturer of precision special bearings in China, we have introduced advanced Japanese precision manufacturing technology and equipped our facility with automated production lines and high-precision testing equipment. A comprehensive quality management system ensures consistent product quality and reliable performance.

As a National High-Tech Enterprise, Yinghong holds multiple invention and utility model patents and has obtained internationally recognized certifications including IATF 16949, RoHS, CE, and SGS. These certifications enable us to meet diverse customer requirements and provide effective solutions for demanding applications and complex technical challenges.

We specialize in the production of high-precision deep groove ball bearings and custom non-standard bearings under our registered trademark, “YHU”. Our main products include bearing steel bearings, stainless steel bearings, ceramic bearings, and plastic bearings.

YHU bearings are designed to deliver low noise, low vibration, low friction, high precision, great sealing performance, and high-speed operation. They also offer self-lubrication, corrosion resistance, rust resistance, acid and alkali resistance, chemical resistance, electrical insulation, non-magnetic properties, high-temperature resistance, low-temperature adaptability, and long service life, making them suitable for demanding operating environments.

Our bearings and bearing assemblies are widely used in electric motors, power tools, pneumatic tools, robotics, drones, household appliances, precision instruments, semiconductor equipment, medical devices, marine equipment, aerospace applications, financial equipment, textile machinery, fishing equipment, and a wide range of specialized industrial equipment.

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