46.5mm Round Groove Nylon Pulley Wheels Roller Rolling Bearing for 6, 8,10mm Rope, with 608zz

Deep groove ball bearings, fashionable, slide flexible, compression wear. Suitable for furniture hardware accessories, mobile doors, glass sliding doors, aluminum doors and w Widely used in doors and windows to track and drive mechanical equipments. These gadgets can be used to build the track system or replace the wheels on the dolly. These good precision bearings provide high speed and the convenience of removal shields for cleaning and relubrication. Set of 5 pics !Product Size: 8mm(ID)*46.5mm(OD)*10.5mm(Thickness),U groove Size: 5mm(Width)*5mm(Depth)*36.5mm(diameter)