PERFECT CASTER ROLLER FOR ANY DIY PROJECT: Great for projects that require smooth maneuvering. Phenolic treads are less damaging to floors than metal treads. MANY USES: Can be used for industrial & institutional industries, wire shelving, carts, racks, retail displays, and any DIY project. MEASUREMENTS: 3/4" Roller Bearing with 1/2" ID Bushing. Wheel Only Bearing: Roller Bearing, Phenolic Installation Hardware: Not included. CAPACITY: Support 1,000 lbs each or total support is 2,000 lbs. FAMILY OWNED BUSINESS: Creative Industrial Sales has been in business for over 30 years, we are a family owned business in America that supplies to all OEMs. Trust us to supply your projects with quality casters. 5" X 2" Phenolic Caster Wheel with Roller Bearing & Free 1/2" Bushing