3" x 1-1/4" Hollow Kingpin Swivel Caster | Polyurethane Wheel | 300 lbs Capacity

3" x 1-1/4" Hollow Kingpin Swivel Caster | Polyurethane Wheel | 300 lbs CapacityHollow Kingpin Casters are also known as Stemless Casters and Bolt Hole Casters This listing is for a 3" x 1-1/4" Hollow Kingpin Caster, also known as a Stemless Caster or a Bolt Hole Caster. This caster has a tubular rivet in the center of the caster to allow any stem type and size 1/2" diameter and under. This is made to accommodate your custom or unique stem size so you can quickly adapt and attach casters to your equipment or cart. Wheel Type:Polyurethane on Polyolefin Wheels is non-marking, non-marring, and will protect your equipment or cart. Polyurethane Wheels are easy to roll, quiet, and great for smooth concrete floors, wood, tile, linoleum, carpet, and most floor types. Polyurethane Wheels are resistant to chemicals, mild acids, oils, and water. TECHNICAL SPECIFICATIONS: CASTER TYPE: HOLLOW KINGPIN / STEMLESS CASTER / BOLT HOLE CASTER WHEEL DIAMETER: 3" WHEEL TREAD WIDTH: 1-1/4" HOLLOW KINGPIN BOLT-HOLE SIZE: 1/2" INNER DIAMETER BOLT HOLE (FITS ANY STEM 1/2" AND UNDER) OVERALL HEIGHT: 4-1/8" (FROM BOTTOM OF WHEEL TO TOP OF RACEWAY AFTER INSTALLATION) SWIVEL RADIUS: 4-7/8" WEIGHT CAPACITY: 300 LBS PER WHEEL