Wheel Diameter: 5" (Click link to find similar sized casters)Tread Width: 1-1/4"Material: PolyU on PolyO (Gray)Load Rating (Per Item): 250 poundsFinish: ZincClick for Connector Details: Plate (4"x4-1/2"; holes: 2-5/8"x3-5/8" slots to 3"x3"; 3/8" bolt)Bearing: Prec Ball BrngsWheel Locks: Tread brakeMisc Options: Thread guardsLoad Height: 6-3/16"Swivel Radius: 4"Shipping Weight: 2.73 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.