Trend Router Cutter Bearing - for 1/4in shank mounting
High quality ball bearing for free running against an edge to prevent heat build up.
1/4in inside diameter for direct fit to router shanks and arbors.
1/2in outside diameter for matched fit to trimming and templating cutters.
Bearings are grease packed for maximum efficiency and lifespan.
Shielding to both sides of the bearing prevents penetration of dust for maximum performance.

Specification:
OD=1/2 inch
OD=12.7 mm
ID=1/4 inch
ID=6.35 mm
Thickness=3/16 inch
Bearing Code=R188-ZZ