Featuring a double-ball raceway swivel and a brake, this plate caster is capable of handling loads up to 1,000 pounds. The mounting plate is 4 x 4 1/2 inches, with an outside bolt hole spacing of 2 5/8 x 3 5/8 inches, and 3/8-inch mounting bolt diameter. The phenolic wheel is two inches wide and five inches in diameter. The wheel replacement number is 5-5-339.