Featuring a centered steel hub with ball bearings and a 5/8 in. bore diameter, this pneumatic tire is durable and reliable for performance, and can withstand demanding applications. Not only that, with a 220 lbs. load capacity and swivel plate, this pneumatic caster is designed to provide reliable support and maneuverability for a range of manual applications at low speeds, ensuring efficient and effective use. In addition, the pneumatic tire provides a cushioned ride, providing shock absorption and quiet operation, ensuring a smooth and comfortable experience during use, making it ideal for applications where a cushioned ride is essential. Material: Rubber.