Wheel Diameter: 3" (Click link to find similar sized casters)Tread Width: 1-1/4"Material: PolyU on PolyO (Gray)Load Rating (Per Item): 250 poundsFinish: ZincConnector Specs: Plate (2-1/2"x3-5/8"; holes: 1-3/4"x2-7/8" slotted to 3"; 5/16" bolt)Bearing: Plain boreLoad Height: 4"Swivel Radius: N/AShipping Weight: 2 lbs.Usually Ships in: 1 week (may be affected by quantity ordered)• Capacity up to 350 lbs. • Yoke is stamped and drawn from heavily embossed steel. • Case hardened double ball raceways provide extra capacity & durability • 1/2” king pin is hydraulically upset to increase shock absorbing capacity. • Large variety of fasteners for various applications. • Very durable, economical caster for hundreds of applications • Applications: Light-medium 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, etc.