Bearings
Aperture(d): 20 mm
Outer diameter (D): 37 mm
Width (B): 9 mm
Closure: Metal seal
Lubrication: Grease
Magnetic: Small
Hardness: 58HRC
Corrosion resistance: General

Lubrication: Grease lubrication
Bearing Type: Ball Bearing
Bearing characteristics: Smooth operation and high speed