Load Capacity:250 pounds | Wheel Diameter:4 inches | Wheel Tread Width:1-1/4 Inches | Mount Height String:5.0625 Inches | Plate Length String:3.625 Inches | Plate Width String:2.375 Inches | Stem outside diameter:N/A Inches | Stem length:N/A Inches | Color:Gray This E.R. Wagner plate caster has a TPR on polyolefin wheel, a stainless steel flat base with holes for bolting or welding to an object, and a swivel design to allow movement with a 360-degree change in direction. The dust cover protects the swivel ball race and wheel bearing by keeping lubricant inside the caster and preventing debris from entering. The plate caster's wheel consists of a dark gray TPR (thermoplastic rubber) tread bonded to a light gray polyolefin hub. The wheel provides a soft, quiet, cushioned ride, protects floors, and is resistant to most solvents. The wheel rolls with ease, and it is suitable for handling heavy or bulky loads. The wheel has a recommended operating temperature range of -40 to 180 degrees F. The donut tread, also called a crown tread, has a round cross-section and puts less of the wheel's width in contact with the floor, which facilitates wheel turning. The stainless-steel plate, or base, is durable and resistant to corrosion.Plate casters are wheeled mechanisms used to support and maneuver objects such as carts, racks, and dollies. Plate casters are named for their mounting system: they have a flat plate, usually with four bolt holes, that forms the top of the caster and attaches to the object. Plate casters vary in their maneuverability. Some are rigid and only roll at a fixed angle, while other casters swivel to allow a 360-degree change in direction. Plate casters may have brakes, and swivel casters may have locks to set them to a fixed angle. Casters may have single or twin (dual) wheels made from a variety of materials. Generally, wheels with hard tread material have a higher load capacity and roll easier than soft tread wheels, which provide quieter operation and cushioning. Load capacity for plate casters is also affected by tread width and wheel diameter. Plate casters are used on furniture, carts, shelving, appliances, scrap bins, production dollies, and utility trucks for material handling applications in a variety of industries. E.R. Wagner manufactures casters, wheels, hinges, stampings, and tubular products. The company, founded in 1900, is headquartered in Milwaukee, WI.
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