GGB (USA, formerly Glacier Garlock Bearings) is producing a new specialized bearing material, DuraStrong. The initial application is for heavy-duty Class 7 and Class 8 truck kingpin bearings.

The company said DX10 kingpin bearings use the DuraStrong material to achieve significantly longer service life and higher load ratings -- up to 36,000 psi static, 20,000 psi dynamic, in addition to a wider operating temperature range from -40F to +350F. Installations can be greased or oiled, and are particularly suited for applications experiencing high loads and high levels of contamination.

In addition to kingpins, GGB is targeting applications for DuraStrong in piston pumps, agricultural and construction equipment, lifts and cranes, automotive oil pumps, and as small reciprocating bearings. In specific applications, they would replace rolling element, bimetal or bronze bearings and bushings.

The DX10 kingpin series is initially available as cylindrical bearings, with or without lubrication grooves, oil holes or lubrication pockets, as well as thrust washers.

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