You're viewing caster wheel SKU 5-6-539-7 on CasterConnection.com.
This 6 x 2 Glass-Filled Nylon Wheel offers the same weight capacity as a steel wheel but is dramatically lighter and wont rust. They have an operating temperature of -45° to +350° Fahrenheit. Glass filled nylon wheels have good abrasion and compression resistance and they wont flat spot.
For more info, check out Caster Wheel Types.
. This wheel includes a 6203-RS Ball Bearing with a caster hub length of 2-7/16".