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12" x 4" Polyurethane Casters

Plate sizes: 8-1/2 x 8-1/2Bolt holes: 7 x 7Diameter: 12 inTread: 3 inCapacity: up to 11,000 lb
Match a 8-1/2 x 8-1/2 top plate when bolting casters under tow-line carts and AGV fixtures. Typical builds show wheel diameters 12 in, polyurethane treads, and capacities 4,700 to 11,000 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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