12mm Bore Bearing - 50mm Steel Wire Rope Cable Track Pulley 12x50x13mm12mm Bore Round Track Pulley Bearing For Steel Cable and U Groove Roller Systems This 12mm bore round pulley bearing is made for guiding steel wire or cable in U groove tracks. Perfect for sliding doors, machinery setups, or cable driven systems where smooth rolling and durability matter. Size: 12mm x 50mm x 13mm (ID x OD x Width) Fits round wire, rope, or steel cable setups Heavy duty steel construction for long term wear Smooth U groove shape for
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