High-speed ball-bearings manufactured particularly for XRAY. ID x OD x thickness (") = 1/4" x 3/8" x 1/8". Set of 2 pieces. Top-quality professional ball-bearings for super-free, super-smooth operation. These best quality ball-bearings are degreased and gently oiled with AeroShell Fluid 12 oil for optimum smoothness, long life, highest threshold and optimum performance.
