The Omega wheel can eliminate the need for spring casters. It achieves its high capacities and enhanced impact-absorbing ability with a patented web/spoke design. It flexes to cushion the load then rebounds to original shape. Resists tearing and chunking, and won't pick up metal chips.
Raceway Design:
Patented Kingpinless™ single ball bearing precision machined raceway hardened to 53 Rockwell C minimum. Swivel section features a 3" diameter raceway with 1/2" ball bearings. The notched yoke is standard.
Axle:
1/2" bolt, locking nut and lubrication fittings
Leg Thickness:
5/16" formed steel. Center leg support is added for increased strength
Wheels:
3/4" I.D. roller bearings that are prelubricated and rotate on individual spanner bushings or annular ball bearings
Mounting Plate Size:
4-1/2" x 6-1/2" x 5/16"
Bolt Hole Spacing:
2-7/16" x 4-15/16", slotted to 3-3/8" x 5-1/4"