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Wheel Bearing Casters

Plate sizes: 4-1/2 x 6-1/4, 5-1/4 x 7-1/4, 6-1/4 x 7-1/2, 6-1/2 x 7-1/2, 8-1/2 x 8-1/2Bolt 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 6-1/8; 4-1/2 x 6; 7 x 7Diameter: 3-1/4 to 12 inTread: 2, 3, 4, 5 inCapacity: up to 30,000 lb
Casters on the 4-1/2 x 6-1/4 plate pattern suit warehouse carts on epoxy and smooth concrete. Expect wheel diameters 3-1/4 to 12 in and polyurethane, cast iron, and steel treads. Harder poly rolls easier on smooth epoxy; softer poly cushions vibration on uneven slabs. Pair swivel and rigid casters for tracking, or use total locks where the cart must park on a grade. These medium-duty options cover everyday warehouse carts on epoxy and smooth concrete without jumping to extreme forged series.

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Wheel = wheel diameter · capacity is per caster.

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