Set of 5 ball bearing pulleys 6 x 30 x 13 mm – U-groove – Reinforced nylon and steel – Ideal for sliding doors and camera systems

Deep groove ball bearings, trendy, flexible, compression wear resistant. Suitable for furniture accessories, garage door pulleys, sliding doors, glass sliding doors, aluminum doors, etc. This U-groove pulley is made of reinforced nylon + bearing steel. The 5 U-groove wheels are ideal DIY gadgets for building camera track systems and can also replace cart wheels that use skateboard/skateboard wheels with a 6mm center bore. Product dimensions: 6mm (inner diameter) x 30mm (diameter) exterior) x 13 mm (thickness), 5 pieces