This page offers all of our light to medium duty industrial and institutional caster yokes. These Caster Frames are made to fit all 1-1/4" Wide Caster Wheels. The plate size in this section if for the most common mounting plate size which is 2-3/8" x 3-5/8" overall size and a bolt hole pattern of 1-3/4" x 2-7/8" slotted to 3" x 3". We offer these frames in sizes from 3" up to 5" diameters and in both swivel and rigid options. All of our frames are zinc plated, have full dust covers to protect the raceway from dust and debris and include double ball raceways for easier maneuverability and durability to extend the life of your caster. This series is formed with extra thick steel to enhance the overall strength and appearance which is widely used in thousands of applications around the world.