Bearing 1/4 inch 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.

Brand Name	Trend
Manufacturer Model No	TREB17
OD	17 mm
ID	6.35 mm
Thickness	7/32 inch
accessory_type	Bearing