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10" x 3" Poly-on-Iron Casters

Plate sizes: 5-1/4 x 7-1/4, 6-1/4 x 7-1/2, 8-1/2 x 8-1/2Bolt holes: 3-3/8 x 5-1/4 slotted to 4-1/8 x 6-1/8; 7 x 7Diameter: 8, 10, 12 inTread: 3, 4, 5 inCapacity: up to 8,400 lb
5-1/4 x 7-1/4 inch top-plate casters for warehouse carts on epoxy and smooth concrete. Typical builds show wheel diameters 8, 10, 12 in, polyurethane and cast iron treads, and capacities 2,000 to 8,400 lb. When floors see chemicals or washdowns, prefer sealed bearings and non-absorbent wheel compounds. Larger plates spread bolt stress on thick frames under continuous tow abuse. Replace worn corners in matched sets when possible so the cart tracks straight under load.

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