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91 Series

Plate sizes: 4-1/2 x 6-1/4Bolt holes: 2-7/16 x 4-15/16 slotted to 3-3/8 x 5-1/4Diameter: 6, 8, 10, 12 inTread: 3 inCapacity: up to 6,000 lb
This 91 series aisle groups plate-mount casters built for bake carts, metalworking fixtures, and debris-heavy floors. You will see wheel diameters 6, 8, 10, 12 in, polyurethane, phenolic, and rubber treads, and capacities 750 to 6,000 lb across the SKUs listed below. 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.

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Wheel = wheel diameter · capacity is per caster.

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