Case studies

JM, a company that sells bearings for skateboards Brand name: NINJA (“NINJA” is a registered trademark of JM Co., Ltd.)

As Seen on the NHK Show “Extreme Awesome Techniques!” Bearings Used in Skateboards"


Domestic and foreign manufacturers of machine tools and spindles

High Ability Series Development and Mass Production of Grease-Lubricated Angular Contact Ball Bearings with Lowered Temperature Rise for Machine Tool Spindles

Machine tool spindles

Domestic and foreign steel manufacturers (steel industry, steel production equipment) in possession of sintering equipment

Development of Intermediate Seals and Bearings for Sintering Machine Pallet Cars for Steel Production Equipment 2.5 Times Longer Unit Service Life and a Dramatic Increase in Productivity

Bearings for sintering machine pallet cars for steel production equipment

A company that digs tunnels

With a Diameter of 7.7 m, It's Among the Largest in Japan! Development of a Segmented Triple-Row Cylindrical Roller Bearing for Use in a Shield Excavator for High-Depth Underground Construction

Development of a segmented triple-row cylindrical roller bearing

Motor manufacturer

Stable insulation performance! The long-life product for electric pitting was realized by new ceramic ball bearing.

New Ceramic Ball Bearing for Motor

Robot parts manufacturer

Contributing to the further enhancement of robot performance! A bearing achieving both size reduction and higher capacity (longer life)

Ultra-Thin Deep Groove Ball Bearing
(high load capacity type)

Printing machinery manufacturer

80% less uneven rotation! (compared with a planetary gear) A precision reduction gear adopting Koyo bearing technology

Traction Drive Unit
(reduction gear for high-accuracy feed)

Major heavy industry manufacturers, chemical manufacturers, research institutions and many more

Practical realization of the world's first ceramic bearing in 1984 Reliable, corrosive-resistant and suitable for use in solutions

Corrosion Guard Pro Bearing

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