Polyurethane Tread Aluminum Core Wheels Heavy Industrial Casters 8 Inch Aluminum Core Polyurethane Wheel Casters With Side Brakes Wheels For Trolley Wheel Diameter Ranges: 4/5/6/8, Wheel Tread Width: 2 Hamilton Caster - Casters, Industrial Casters, Industrial Wheels, Caster Wheels, Carts, Platform Trucks, In-Plant Trailers Axle Bore ：1/2, Hub Length: 2-7/16, Bearing Size: ¾”Roller Bearing Hamilton Unilast® Solid Polyurethane (75D) Wheel 8 Diameter x 2 Wide x 2 3/16 Hub Length with 1/2 Straight Roller Bearing Size: 8x2 Number of Wheels: 10Wheel material: Polyurethane Tread & Aluminum Core Cast Iron Core Polyurethane Tread Rigid Caster wheel| iron core fixed PU Wheel| supplier|Rigid Durometer: 92 Shore A (+/-5), Temperature range: -30° F to +180° F
