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Blue Polyurethane Casters, 4 x 4-1/2 Plate

These stainless steel casters use solid polyurethane (poly or urethane) wheels on a 4 x 4-1/2 in top plate. Casters in this collection range from 800 to 1,250 lb per caster. Wheels in this category range from 4 up to 8 in by 2 in wide, swivel and rigid. Stainless steel resists rust and stands up to washdown and cleaning chemicals. Solid polyurethane rolls quietly and resists water. Soft polyurethane on aluminum (~85 Shore A) or TPR is the better pick when the floor has chips or grit. Match the 4 x 4-1/2 in plate, bolt pattern, and overall height before you order. Choose swivel casters when the cart must turn in place, rigid casters for straight travel, and add a brake when the cart needs to stay put. Capacities below are per caster unless a listing says set. Read the listing for the exact wheel size, overall height, and mount shown. Stainless aisle: stainless steel casters. Polyurethane wheel aisle: polyurethane wheels.

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