RWM Casters is the inventor of the Kingpinless™ caster and the recognized market leader for industrial casters.
Now copied worldwide, the Kingpinless™ caster is known today overseas as the “American-style caster.” Our original patented design, having never been improved upon by others, is the recognized best solution for demanding and abusive applications.
Don’t purchase an inferior knock-off—contact RWM Casters for the proven winning solution.
A Kingpinless raceway is constructed of a top plate with inner raceway and an outer raceway to which legs are welded for the wheel. The outer raceway is mated to the inner raceway using a series of ball bearings installed through a loading hole. This load hole is then sealed and the caster is permanently fixed together.
The Kingpinless design eliminates the leading cause of caster failure creating a far more robust product capable of handling heavier loads, more abusive applications, and higher towing speeds.The 47, 65, 70, 75, 76, 85, 95 and 125 Series Casters are RWM Kingpinless™ Casters.
We invented and patented this design, and it has proven itself to be the best solution for demanding applications, with a capacity of 350 to 40,000 lbs. This is the heavy-duty caster design that all other industrial caster manufacturers are now copying because it is simply unmatched in extending service life, reducing all possible causes for caster failure.
Kingpinless™ Caster Features & Design Benefits
Compared to the traditional casters, the KingpinlessTM caster is far superior, specially designed and constructed to eliminate the need for a kingpin. As the illustration to the left shows, the construction is fairly straightforward.
The RWM Casters-patented KingpinlessTM caster design is superior due to the offset, precision-machined raceway.
This feature exerts radial force evenly where there is full contact between the ball bearing and the raceway.
The result is that there are no direct “hammering” forces on the intersections of the raceways, which means:
- Vastly reduced raceway wear,
- Elimination of the “pull apart” forces of stress in the swivel section
- Smoother swiveling action
- Exceptional maneuverability
- Longer service life and less maintenance
- Extra impact resistance
- High radial force absorption
Our unique Kingpinless™ caster design adds more mass at key points. This, plus more thorough heat treatment, provides additional strength and combats brinelling into the core material.
