
KSM Bearings, manufactured by Minamiguchi Seiko Co. Ltd., are high-quality Japanese bearings designed for reliable performance across automotive, industrial, and machinery applications.
Established in 1958, KSM is an ISO-certified manufacturer known for producing bearings to strict Japanese Industrial Standards. With dependable “Electric Motor Quality” performance, KSM bearings are built for smooth operation, durability, and consistent results.

KSM specialises in:
- Deep groove ball bearings
- Open, shielded ZZ, and sealed 2RS bearings
- Inch and R-Series bearings
- Angular contact bearings
- Thrust bearings
- Metric and imperial bearing sizes
With a broad range of bearing configurations available, KSM offers trusted solutions for high-speed applications, radial loads, axial loads, and specialised machinery needs.