▸ Material: Made of High Strength 45# Steel.The Carrying Capacity of Each Heavy Track Wheel is 660LB
▸ Size: Wheel Diameter 1.9"(D) x 1.06"(W) Wheel Width, Shaft Diameter 0.39", Slot Width 0.75", Groove Depth 0.39".
▸ V-Groove Rail Wheels are Used in a Variety of Applications Such as sliding Track Doors and Mechanical Carts, etc.
▸ 2 Rolling Bearings Built in Track Wheel, Makes it Sliding with Good Performance
▸ Packaging: 2 Pcs V-Groove Track Wheel (Color Galvanizing)