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Polyurethane Wheels

Plate sizes: 4 x 4-1/2, 4-1/2 x 6-1/4Bolt holes: 2-7/16 x 4-15/16 slotted to 3-3/8 x 5-1/4; 2-5/8 x 3-3/8 slotted to 3 x 3Diameter: 4 to 10 inTread: 2, 3 inCapacity: up to 3,000 lb
Casters on the 4 x 4-1/2 plate pattern suit warehouse carts on epoxy and smooth concrete. Catalog chips cover wheel diameters 4 to 10 in, polyurethane treads, and capacities 600 to 3,000 lb. Harder poly rolls easier on smooth epoxy; softer poly cushions vibration on uneven slabs. Larger plates spread bolt stress on thick frames under continuous tow abuse. Bring plate and stem measurements when replacing unmarked casters so the new corners sit level.

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Wheel = wheel diameter · capacity is per caster.

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