Heavy Duty Caster About The Heavy Duty Series Caster housing is a superior rig made of high gauge welded steel for extra strength with a built-in Zerk in the swivel for easy greasing of the double ball bearing raceway fittings. This series features the casters sizes ranging from 4"-8" sized, variety tread types of caster wheels. These casters' load capacity range from 200 lbs to over 1,300 LBS respectively. These casters have an ideal used for a variety of industries including Material Handling, Storage Racks, Tool Chests, Warehouse Trucks, Platform Trucks, Film & Entertainment Equipment, Garden, Construction, and Aviation Equipment. Available in Rigid, Swivel, Swivel + Brake, & PSL for 4-Position Swivel Locking. Standard with sealed precision ball bearings, metal sleeve inserts, and a plastic washer preventing dirt and dust from entering the casters. Polyurethane Green Cast Iron Caster The Top Plate Overall Size is: 4" x 4-1/2" Bolt Hole Spacing: 2-5/8" x 3-5/8" slotted to 3" x 3" Attaching Bolt Size: 3/8" Roller Bearings Included with Metal Sleeve Plastic Washer Included Company Backed 3 Year Company Backed for all ICONCASTERWHEELS Products. We stand behind our products. We offer a 3-year for all of our products. To view, all our products follow ICONCASTERWHEELS. Cast Iron Casters Polyurethane Cast Iron Wheels These industrial casters feature a Cast Iron Green Polyurethane Solid wheel (PCI) for a long lifespan, and to keep all floors clean and free of tread marks. Its Polyurethane material also allows it to resist most chemicals, oils, grease, and water making this caster ideal for a multitude of applications. We offer this in Swivel, Rigid, Top Lock Brake. About Our PCI Caster Works well in both indoor and outdoor environments; however, a cast iron core can rust if left outdoors in rain. These cast iron casters are durable and are able to withstand extreme temperatures, lowest -40°F to 160°F. The caster swivels 360-degrees. Casters Specifications Finish Bright Zinc Plating Swivel Double Ball Bearings with Harden Raceways for Extra- Strength Fork Leg Spacing 2.5" Construction 1/4" Thick Top Plate King Pin 5/8" Diameter Bolt and Nut Grease Fittings Provided in Swivel Raceway and Wheels Bearings Axel Nut 1/2" Diameter Axle with Locknut Pro-Tech Polyurethane Total Lock Brake Caster Made with durable and long-lasting pro-tech Polyurethane on a non-marking Polypropylene Core, these heavy-duty casters are designed to move heavy loads in material handling environments with ease and safety. Each caster offers easy and smooth maneuverability of large heavy loads. Its finely-made pro-tech Polyurethane tread on Polypropylen core is designed to keep all floors clean and tread mark-free, and its roller bearing with spanner bushing helps absorb shocks while simultaneously moving large loads. Total Lock Brake: The Total Brake Caster features a simple and easy-to-use brake that allows you to lock both the wheel and the swivel to keep your caster completely stationary. This brake option is the perfect solution for those seeking two brakes in one. Steel Caster Our Steel Tread Wheel Casters provides to be an excellent caster if you are seeking a caster with a long lifespan and is able to withstand heavy load capacity. Offers higher weight capacities while providing good floor protection and a smooth quiet rolling operation Its Steel material also allows it to resist most chemicals, oils, grease, and water making this caster ideal for a multitude of applications. We offer this in Swivel, Rigid, Top Lock Brake and Total Lock Brake Casters. Pro-Tech Polyurethane- Top Lock Brake Made with durable and long-lasting pro-tech Polyurethane on a non-marking Polypropylene Core, these heavy-duty casters are designed to move heavy loads in material handling environments with ease and safety. Each caster offers easy and smooth maneuverability of large heavy loads. Its finely-made pro-tech Polyurethane tread on Polypropylen core is designed to keep all floors clean and tread mark-free, and its roller bearing with spanner bushing helps absorb shocks while simultaneously moving large loads. Our state of the art casters are made to resist against most chemicals, oils, grease, and water in a multitude of industrial applications including mobile storage racks, mobile tool chests, platform carts, warehouse trucks, food industry, and other material handling applications. TOP LOCK BRAKE: When engaged, this brake will apply pressure to the top of the wheel, which creates friction and keeps the wheel stationary. Phenolic Casters This caster features a Phenolic wheel making it safe for use in a multitude of surface areas with its non-marking, heavy-duty material. This caster is made to last! Its bright Zinc Plating protects it from corrosion, and the Phenolic wheel makes it tough enough to hold heavy loads. Phenolic casters are mainly chosen for their inexpensive cost, durability, and high weight capacities. We offer swivel and rigid with top lock, total lock, or no brake options. Polyurethane - Cast Iron Caster Steel Casters Pro-Tech Polyurethane Maroon Phenolic Wheels