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75mm (3") Office Chair Casters · 80–750 lb · Rubber & Polyurethane · Grip Ring Stem

These 3 in office chair casters fit light carts, racks, and stands. Casters in this collection range from 80 to 150 lb per caster. Wheels are 3 in polyurethane, rubber, TPR, and nylon twin wheel in swivel models. Chair sets of 5 show the combined set rating on the title, so divide by 5 for the per caster load. Office chair casters use a 7/16 in grip ring stem that snaps into the chair base. Soft rubber or TPR tread is the better pick when the floor has chips or grit. Common uses include food service, bakeries, hospitals, schools, laboratories, and material handling carts. Threaded stem, grip-ring, and expanding rubber stems for round and square tubing all appear on light-duty builds. Match the stem size and thread before you order. Choose swivel casters when the cart must turn in place and rigid casters for straight travel. Chair aisle: office chair casters. Light duty hub: light duty casters.

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