Elevator Roller Wheel Slotted Pulley, Rolling Wheel, Groove Guide Wheel, Hanging Wheel, 8mm Load Bearing Pulley Nylon pulley as a tower crane accessories have been widely used in the lifting equipment, with its unique advantages gradually replace the old metal pulley. Chiloskit Pulley Wheel Blocks Wire Rope Wheel, Crossing Guide Wheel, Nylon Hanging Wheel, 6200 Bearing Pulley, Elevator Roller Wheel V Groove (10 x 90 x 11.5mm Good wear resistance, long service life. Hitachi Elevator Hall Door Layer Door Traction Door Head Wire Rope Rope... Nylon pulley is light weight, easy to install at high altitude. Mitsubishi elevator wire rope wheel 66*11*6200 floor door hanging wheel Made of the special plastic, durable, affordable and wearproof.