Material: Crafted from a polyurethane tread bonded to a durable cast iron core, these casters provide high weight capacity, floor protection, and smooth, quiet operation.

Bearings: Equipped with dual ball bearings for reduced vibration and seamless, mark-free gliding on various surfaces. Polyurethane ensures durability, long life, and excellent roll performance.

Versatile Applications: Ideal for both indoor and outdoor use in trolleys, workbenches, toolboxes, platform trucks, speakers, cabinets, furniture, shelves, coffee tables, display stands, dollies, and more.

Caster Dimensions:

• Top Plate: 3-5/8" x 2-3/8"
•  Hole Spacing: 2-3/4" x 1-3/4"
• Wheel Size: 3" x 1-1/4", 4"x1-1/4", 5"x1-1/4"
• Overall Height: 4.16" 

Load Capacity: 

• 3-inch caster: 350 lbs per wheel, 1400 lbs (set of 4)
• 4-inch caster: 400 lbs per wheel, 1600 lbs (set of 4)
• 5-inch caster: 500 lbs per wheel, 2000 lbs (set of 4)