Wheel Diameter: 3" (Click link to find similar sized casters)Tread Width: 1-1/4"Material: Polyolefin LDLoad Rating (Per Item): 250 poundsFinish: ZincConnector Specs: Plate (3-1/8"x4-1/8"; holes: 1-3/4"x3" slots to 2-3/8"x3-3/8"; 3/8" bolt)Bearing: Plain boreLoad Height: 3-3/4"Swivel Radius: 2-3/4"Shipping Weight: 1.2 lbs.Usually Ships in: 1 week (may be affected by quantity ordered)• Economy Series. • Capacity up to 250 lbs. • Case hardened double ball raceways. • Applications: Light-duty material handling equipment, food service carts & equipment, bakery racks & equipment, institutional carts & equipment, miscellaneous dollies, mobile cases, displays, mobile wire racking, stock carts, textile applications, warehouse & manufacturing applications.