Bearing 21mm diameter 3/16" bore (B21A)

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.

Specification:
OD=21 mm|ID=3/16 inch|Thickness=6 mm

12 months