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Fabricated with a super heavy-duty three-spring system, this is our premium shock-absorbing caster for extremely heavy loads. Upper raceway top plate and base plate are flame cut from 1" thick steel and precisely machined by CNC lathe to very close tolerances and dimensions. Pressure fitting is supplied in base plate for lubrication. Both upper main load bearing and lower thrust bearing utilize heavy-duty tapered roller bearings for maximum mobility under heavy loads and to withstand lateral forces. Extra-large 1-1/4" king bolt is threaded and securely fastened at both ends to ensure a solid fit.The stud is welded to the top plate to prevent loosening, while the nut is tightened to exact specifications. Standard finish is Laguna Blue.
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