2-Inch Heavy Duty V/U Groove Roller Wheel Bearings - Detachable Material Handling Pulleys View product
2-Inch Heavy-Duty Detachable U-Groove Roller Wheel Bearings for Material Handling and Movement View product
2pcs 6x30x8mm U-Groove Metal Bearing Sliding Wheel with 5mm Rope Diameter for Hanging and Moving Pulley System View product