Federal-Mogul Corporation

United States

aluminum bearing

aluminum bearing

Bearing shells produced in steel and lined with aluminumtin or aluminumtinsilicon have extremely effective anti-friction properties combined with high wear strength and exceptional resistance to corrosion. The fairly soft tin provides good conformability of the bearing to the crankshaft and is an excellent surface for embedment of dirt particles occurring as wear debris and primary dirt in the engine oil. Silicon, as an alloying element in aluminum bearings, is necessary when using cast iron crankshafts, especially “soft” shafts. The silicon smoothes the crankshaft surface to overcome any folded and smeared metal that might be covering up carbon inclusions.
Besides being a standard material for main bearings, steelaluminum is also used for connecting rod bearings. Its use is restricted by the limited specific load-carrying capacity of this group of materials, but new advancements in bearing alloys provide remarkable fatigue strength allowing the use of AlSnSi alloys in nearly all gasoline-engine applications.
Mass balance systems, axial guides for crankshafts and other, very diverse applications also use aluminum bearings in the form of shells, thrust washers or bushings.
All new Federal-Mogul Powertrain aluminum bearing alloys are now free from lead, cadmium and other environmentally harmful substances.

  • Product Category : Bearings, Bushings and Washers
  • Markets : Light Vehicle Heavy-Duty

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Contact Details

Southfield, MI 48033, United States

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