8" Never-Flat Wheel Swivel Caster

This 8" Never-Flat wheel swivel caster delivers all of the benefits of a fully pneumatic caster but it will never go flat! The unique open and closed micro-cellular polyurethane technology in the wheel (8" nominal; wheel size: 2.80/2.50-4) provides excellent protection for both your equipment and floors. Ideal for both off-road and indoor applications, these casters ensure that your equipment is always ready to roll without having to grab a compressor to fill up pneumatic wheels that will eventually lose air. Swivel rigs also feature sealed raceways for extra protection against the elements and longer caster life. Save time and ensure up-time with this Never-Flat solution.Caster Features: Sealed upper raceway keeps out dirt & debris (swivel models)  Double ball raceways for smooth swiveling action (swivel models)  Zerk fitting in swivel raceway for easy maintenance  3/16" thick steel leg construction  5/8" diameter kingpin (swivel models)  RoHS compliant industrial zinc finish for corrosion resistance  Never-Flat PF Wheel Features: Unique open and closed micro-cellular polyurethane wheel technology  Acts just like and provides benefits of a pneumatic tire... but will never go flat  Shock absorbing wheels provide ultimate cargo and floor protection  Quiet, smooth mobility  Painted hubs for extra protection  Zerk fitting for easy axle maintenance  Sealed precision ball bearings standard  Durometer: 80A ±5