- Patented Kingpinless(TM) single ball bearing precision machined raceway hardened to 53 Rockwell C. minimum
- 1/4" material thickness; Swivel section features 2-1/8" diameter raceway with 1/4" ball bearings
- Zinc plated to protect against corrosion
- 1200 pound capacity; Made in the USA
- 4-1/2" X 1/4" Top Plate with 2-5/8" X 3-5/8" Mounting hole spacing for 3/8" hardware
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