Jiangsu Yinghong Transmission Technology Co., Ltd. Home / Products / Flanged Bearings / Stainless Steel Flanged Bearings / SUS304 Flange Bearings / SFR155 Series SUS304 Stainless Steel Flanged Bearings

SFR155 Series SUS304 Stainless Steel Flanged Bearings

Although SUS304 has a lower hardness than 420-grade steel, its yield strength is sufficient to handle the load requirements of most consumer electronics and light industrial products. The R155 flange increases the contact area with the mounting surface, thereby distributing the axial load and reducing pressure on the edges of the mounting holes.

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Bearing Features

 In environments with fluctuating temperatures, the linear expansion coefficient of SUS304 is comparable to that of most alloy steel and stainless steel brackets; this ensures that, as temperatures rise, the flanged bearing does not experience drastic changes in internal clearance or loosening of the flange due to unbalanced thermal expansion. Bearings of this type typically feature an exceptionally high-quality surface finish, offering not only an attractive appearance but also a premium industrial aesthetic when the flange connects to the equipment housing.

Technical Specifications

Bearing Reference Boundary Diameters Basic Dynamic Basic Static Limiting Speeds
Flange Open Shield d
inch
d
mm
D
inch
D
mm
Df
inch
Df
mm
B
inch
B
mm
Bf
inch
Bf
mm
B1
inch
B1
mm
Bf1
inch
Bf1
mm
rsmin
inch
rsmin
mm
Cr
kN
Cor
kN
Grease Oil
F SFR155 ZZ 0.1562 3.969 0.3125 7.938 0.359 9.119 0.1094 2.778 0.023 0.584 0.125 3.175 0.036 0.914 0.0039 0.1 0.363 0.147 5.5 6.2

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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