Trend Tools B21A Bearing 21Mm Diameter 3/16" Bore

• Bearings are shielded to prevent penetration of dust and grease packed for life.
• They should not be cleaned with solvent or lubricated as this will dissolve the grease and cause premature bearing failure.
• Scrape off any resin build-up.
• Always check the tightness of the fixing screw before using cutter.

Specifications

• OD=21 mm
• ID=3/16 inch
• Thickness=6 mm