Carbon Graphite Bearings & Bushings

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Carbon Graphite Bearings & Bushings

Helwig Carbon Products has been manufacturing carbon graphite bushings and bearings for over 40 years.  Self lubricating carbon graphite bushings are ideal for applications where normal lubricants can not be used.  Even high temperature applications are not a problem for carbon graphite. We have a wide selection of grades and sizes in stock and have the ability to manufacture custom parts quickly. With our CNC equipment we manufacture a wide variety of shapes and routinely hold tolerances of 0.0005” (0.013 mm).

Advantages of Carbon Graphite Bushings & Bearings

  • Self lubricating
  • Low coefficient of friction
  • Non galling
  • Resistance to chemicals, corrosion, and oxidation
  • Compatible with food & pharmaceuticals
  • Low density
  • Low coefficient of thermal expansion
  • Excellent thermal shock
  • Good thermal conductivity
  • Good mechanical strength
  • High temperature resistance

Typical Applications

  • Temperatures above 400 deg F
  • Corrosive environments
  • Areas where conventional lubricants could contaminate product
  • Location is inaccessible for lubrication
  • Dusty environments where conventional bearings & lubricants would require protection
  • Chemical pumps
  • Food processing pumps
  • Process pumps in refineries
  • Cold and hot water pumps
  • Cryogenic applications