GGB Bearing Technology, formerly Glacier Garlock Bearings, today introduced a line of fluid film bearings to complement its extensive plain bearing offerings. Designed primarily for use in large electrical generators and motors, turbines, compressors and pumps, these hydrodynamic bearings offer significant advantages over large roller bearings in high-load, high-speed applications.


Because they use a thin layer of pressurized lubricant between the bearing surfaces, there is no metal-to-metal contact, resulting in little to no maintenance and virtually infinite life. They also have an inherent dampening effect for quieter, smoother operation.


GGB will offer plain bearing assemblies in pedestal, mid-flange and end-flange configurations. Manufactured to the DIN/ISO standard, the bearings are available in shaft sizes from 55mm to 1,400mm and frame sizes 7-112. In addition GGB can provide custom designs for thrust blocks and radial/axial inserts.


At this year’s Hannover Messe, the company exhibited its XGNFB 56-670 pedestal bearing for a 190-metric-ton, 22,000KW electrical synchronous motor for a steel rolling mill. The bearing features a hydrostatic jacking system, electrical insulation, natural cooling and fixed oil ring lubrication. For more information, email fluidfilm@ggbearings.com.

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