Patent ID: 6666581
Filing Date: 2003-12-23
Classification: B23Q,F16C,Y10T

Abstract:
A high speed bearing comprising:a spindle bearing surface formed about a spindle; a bearing cylinder having an outer surface and an inner bearing surface adapted to fit over said spindle bearing surface forming a machine bearing; a spiral groove arranged about said cylinder bearing surface forming a flat between spirals of said spiral groove, said spiral groove extending the length of said cylinder terminating through opposing end surfaces thereof; a first circular groove about said cylinder outer surface and a second circular groove about said inner bearing surface; an opening interconnecting said first and second circular grooves; a filter located in said opening; a lubricant supply arrangement supplying lubricant about said first circular groove for filtered passage to and about said second circular groove; whereby rotation of said spindle causes said spindle bearing surface to rotate against said flat and over said spiral groove causing said filtered lubricant to be moved through said spiral groove, about said spindle bearing surface and over said flat.