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12" Phenolic Kingpinless Casters

Plate sizes: 4-1/2 x 6-1/4, 5-1/4 x 7-1/4Bolt holes: 2-7/16 x 4-15/16 slotted to 3-3/8 x 5-1/4; 3-3/8 x 5-1/4 slotted to 4-1/8 x 6-1/8Diameter: 12 inTread: 3, 4 inCapacity: up to 8,000 lb
Casters on the 4-1/2 x 6-1/4 plate pattern suit heavy industrial carts that tear up kingpin races. Expect wheel diameters 12 in, phenolic treads, and capacities 3,000 to 8,000 lb. Bring plate and stem measurements when replacing unmarked casters so the new corners sit level. Larger plates spread bolt stress on thick frames under continuous tow abuse. Use kingpinless or heavy plate series when shock loads keep shearing kingpin races.

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