4" X 1.25" Black Polyurethane on Polyolefin Wheel - Swivel Caster | 260 lbs capacity

4" X 1.25" Black Polyurethane on Polyolefin Wheel - Swivel Caster | 260 lbs capacityCasterHQ's 'LD' Series swivel casters with 4 inch Polyurethane on Polyolefin core (PP) wheels feature a heat treated ball bearing raceway and a bright zinc plated finish. These casters are ideal for light and medium duty material handling, carts, equipment, and shop projects.Polyurethane wheels provide great protection for floors in commercial and industrial settings. Polyurethane on Polyolefin wheels feature an extreme resistance to water, oil, and grease. Being non-metallic, these polyurethane wheels are also spark proof. Top plate size: 2-1/2" x 3-5/8" with ball bearing swivel. Bolt hole pattern: 1-3/4" x 2-7/8" to 3". Mounting Height: 4-1/8" 325 lb capacity per caster.