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Dual Wheel 81 Series – 7000 Lbs Capacity- 6.25 x 7.5 Top Plate – Kingpinless

Series 81

Build

Swivel Section: The yoke and top plate of this caster are manufactured by a drop forged process using C-1045 steel. The swivel section is made of a top plate and yoke base that features a precision machined 4 inch single ball bearing and configuration load/thrust raceway (kingpinless style). This raceway design actually places the ¾ inch diameter load/thrust ball bearings in shear load, locking the swivel section together. There is a mechanical shield to protect contamination of the swivel section.
Kingpin: Kingpinless style design
Legs: 3/8 inch by 4 inch laser cut legs. Formed on a CNC press brake and continuously welded inside and outside to the yoke base
Axle: 1 inch, Grade 5 axle with fine threads plated finish.
Lubrication: Pre-lubricated before shipping
Wheels: 6 inches to 10 inches diameter are available in roller bearing,tapered bearing or precision ball bearing
Height: 9 inches -13 inches
Swivel Lead: 2.5 inches
Finish: Gold dichromate plating. Wet paint and powder coat are optional finishes.
Top Plate: 6.25” x 7.63”

Overview

The Dual Wheel 81 Series Kingpinless Extra-Heavy Duty Industrial Steel Casters feature a unique single ball race design, which provides a high strength swivel section. It is valued for its simplicity and providing a tough caster for difficult industrial applications where shock loading is prevalent. The top plate and yoke base are held in alignment with 3/4 inch high quality hardened ball bearings. The ease of swiveling leads to very long life-cycles and many years of low cost operation.