Improving workability by mounting with set screw and no need for collars to fix or locate bearings.
PDF Catalog download ↓


  1. Secure fastening by Set screw prevents creeping between shaft and bore
  2. Free from abrasion powder caused by creeping
    Suitable for use in such environment like clean room where powder dust is not allowed
  3. Excellent corrosion resistance

Product Specifications

Standard Specifications
Inner and Outer Rings AISI440C
Balls*1 AISI440C
Retainer AISI304
Shield AISI304
Set screw AISI304 equivalent
Lubricant*2 Heat-resistant grease

Special specifications also available in short delivery
*1 Ceramic balls (Silicon Nitride Si3N4)
*2 Heat- and chemical-resistant fluorine grease, food grade grease, and other special greases



Food processing machinery, cleaning equipment, LCD and semiconductor manufacturing equipment, carrier device in watery environment, other equipment used in high temperature and humidity environment


Please refer to the chart for the tightening torque.Too much torque may damage the bearing.Adhesive bond is not recommended that may increase the tightening force and result in the breakage of bearing.

●Recommended tightening torque

Set screw size Tightening torque N・m
M3 0.7
M4 1.8
M5 3.0
M6 4.0