Improvements in seal bearings agru00eccolas for operation in oil lubrication regime in permanent

摘要

"Improvements in seal bearings agru00eccolas for RA operation in oil lubrication regime in permanent.Of a kind used in farm implements, consisting of rubber rings that work on metal rings made of spheroidal graphite cast iron.With the active faces of metal rings being stoned and application both in the end how along an axis of the bearings.