Find other wheel materials, sizes and all Service Caster products at our Amazon Storefront. per wheel (Weight capacity can vary depending on load, torque, speed, duty cycle, environment, and coefficient of friction) If you do not see the needed size listed, please contact us so we can assist you further. Click on the “by Service Caster” link above the main title on any Service Caster page listing. Shop Keyed Drive Wheels from CasterHQ - 10 x 3 Polyurethane Tread... Listing is for one (1) Service Caster 10 diameter by 3 tread width keyed drive wheel. Cast Iron Core Polyurethane Tread Swivel Caster| swivel wheel... Service Caster is unsurpassed in quality, reliability, and excellent customer service. Plain Bore Wheel With Set Screws 10" X 3" Polyurethane Tread Keyed Drive Wheel - 3/4" Bore Polyurethane Cast Iron Wheel Four different bore sizes are available - 3/4 (3/16 W x 3/32 D Keyway), 1 (1/4 W x 1/8 D Keyway), 1-1/4 (1/4 W x 1/8 D Keyway), and 1-1/2 (5/16 W x 5/32 D Keyway). The non-marking and non-sparking tread protects floors, rolls quiet and is resistant to most chemicals, while the high capacity load bearing wears like iron. Count on us to move you forward. Service Caster’s Green Polyurethane on Silver Cast Iron core wheels come in three different wheel sizes – 6 x 3, 8 x 3, and 10 x 3., Weight capacity: 2,250 lbs.