Jiangsu Yinghong Transmission Technology Co., Ltd. Home / Products / Flanged Bearings / Stainless Steel Flanged Bearings / SUS316 Flange Bearings / SF69 Series SUS316 Stainless Steel Flanged Bearings

SF69 Series SUS316 Stainless Steel Flanged Bearings

The 69 series belongs to the narrow-profile flanged bearing category, designed primarily for applications where a large inner diameter is required but the outer diameter is constrained. This series accommodates larger shaft diameters, while the integrated flange allows for positioning against the surrounding structure, eliminating the need for bulky bearing housings.

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Bearing Features

 Precision grinding optimizes the surface wear resistance of the SUS316 material—even under conditions of limited lubrication—while the flange provides an additional heat dissipation path, helping to minimize temperature rise during continuous, high-load operation. Visually, the bearings feature the distinctive silvery metallic finish of SUS316, conveying a sense of high-end precision; furthermore, the flatness of the flange surface prevents fluid accumulation at installation gaps, thereby reducing areas where bacteria could proliferate.

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 SF6900 ZZ 2RS 10 22 25 6 1.5 0.3 2.7 1.27 2.1 2.3
F SF6901 ZZ 2RS 12 24 26.5 6 1.5 0.3 2.88 1.47 1.8 2.1
F SF6902 ZZ 2RS 15 28 30.5 7 1.5 0.3 4.32 2.26 1.5 1.7
F SF6903 ZZ 2RS 17 30 32.5 7 1.5 0.3 4.59 2.57 1.4 1.6
F SF6904 ZZ 2RS 20 37 40 9 2 0.3 6.38 3.68 1.2 1.3
F SF6905 ZZ 2RS 25 42 45 9 2 0.3 7 4.54 1 1.1
F SF6906 ZZ 2RS 30 47 50 9 2 0.3 7.24 5.01 0.9 1

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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