Product Overview

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Dual Wheel Caster -- 2-85 Series -- View Larger Image
Dual Wheel Caster -- 2-85 Series-Image

RWM’s 2-85 Series Kingpinless™ Dual Wheel Casters feature all of the benefits of our patented Kingpinless™ raceway and offer twice the capacity load.


Raceway Design: Patented Kingpinless™ single ball bearing precision machined raceway hardened to 53 Rockwell C minimum. 4-1/4" diameter raceway with 5/8" ball bearings.
Capacity: 10,000 lbs.
Axle: 3/4" bolt and nut for 3" wide, 1" or 1-1/4" bolt and nut for 4" wide, 1-1/4" bolt and nut for 5" wide.
Finish: Laguna Blue paint
Wheels: 3" wide wheels are available with either a 1" roller bearing that rotates on 3/4" x 1" x 3-9/16" hardened and ground spanner bushings or 3/4" tapered bearings that rotate on a 3/4" axle. 4" and 5" wheels are available with either a 1-1/4" I.D. roller bearing which rotates on hardened and ground spanner bushings or 1- 1/4" tapered bearings which rotate on the axle. All wheels are equipped with lubrication fitting.
Mounting Plate Size: 6" x 7"
Bolt Hole Spacing: 4-5/8" x 5-1/2", slotted to 4- 3/8" to 5-5/8"
Mounting Bolt Diameter: 1/2"
Leg Thickness: 3/8" double welded
Mounting Plate Thickness:1/2"

Benfits of Kingpinless Raceway

Our patented offset precision-machined raceway exerts radial force evenly where there is full contact between the ball bearing and the raceway. RWM's unique design adds more mass at key points. This, plus more thorough heat treatment, provides additional strength and combats brinelling into the core material.

  • No direct "hammering" forces on the intersections of the raceways
  • Vastly reduced raceway wear
  • Elimination of the "pull apart" forces of stress in the swivel section
  • Smoother swiveling action
  • High maneuverability
  • Longer service life
  • Less maintenance
  • Extra impact resistance
  • High radial force absorption

Product Category
Caster Type
Rigid Plate Caster (optional feature); Swivel Plate Caster (optional feature); Wheel Caster
Wheel Type
Metal (optional feature); Plastic (optional feature); Phenolic (optional feature); Solid Poly (optional feature); Poly/Metal (optional feature); Rubber/Metal (optional feature); Omega
Maximum Load
1680 to 10000 lbs (762 to 4535 kg)
Wheel Diameter
6 to 16 inch (152 to 406 mm)
Wheel Width
3 to 6 inch (76.2 to 152 mm)

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View Entire Datasheet
Overall Height
Bearing Type
Plate Size
Bolt Pattern
Hardware / Stem Size