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DuraStar 21 Series Casters · Up to 400 lb · 3"–5" · Rubber & Polyurethane

Diameter: 3, 3-1/2, 4, 5 inTread: 1-1/4 inCapacity: up to 350 lb
21 Series polyurethane, phenolic, and nylon casters sized for bake carts, metalworking fixtures, and debris-heavy floors. You will see wheel diameters 3, 3-1/2, 4, 5 in, polyurethane, phenolic, and nylon treads, and plate-mount frames across the SKUs listed below. Harder poly rolls easier on smooth epoxy; softer poly cushions vibration on uneven slabs. Replace worn corners in matched sets when possible so the cart tracks straight under load.

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Wheel = wheel diameter · capacity is per caster.

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