February 20, 2018
Plain Bearings for Aerospace Applications Article
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AT A GLANCE
GGB offers a broad range of sizes, forms and materials in monometallic and bimetallic bearings. Bimetal and metal bearings offer excellent corrosion resistance in industrial outdoor applications and in water, marine and offshore environments. GGB bearings can be made in many sizes and forms, including thin-walled, thick-walled, flanged, cylindrical, sintered and oil-impregnated, and more. Some popular bearing materials and their benefits include:
Bimetal bearings are able to handle heavy loads and shock loading conditions. Our bimetal bearings have anti-corrosion capabilities and are easy to install, making them ideal for emergency replacements. GGB-CBM® bearing is available with stainless steel, carbon steel or bronze backing.
to standard SAE 792
to standard SAE 794
Bronze is a versatile and commonly used material because it comes in many alloys and compositions. Bronze bushings (also called bronze bearings or solid bronze bushings) are hard and strong, as opposed to softer brass bushings. Bronze bushings have long lifespans and resist shock, impact, wear and corrosion. They require an external lubricant, for example grease or oil, at installation and during operation to reduce friction and wear.
according to ISO 4379
Sintered bearings are used in environments when high speed operation is required, and in limited-space and variable-load applications. These pressed-metal bearings have large pores that are can be filled with lubrication, which is then released under applied force. Oil-impregnated sintered bronze bearings and sintered iron bearings offer maintenance-free operations and are suitable for complex shapes.
similar to SINT A10, impregnation group 1
similar to SINT A50, impregnation group 1
Steel bearings have high load capacity and very good resistance to fatigue at high temperatures. GGB's case hardened steel bushings are suited to harsh operating conditions and for high specific loads with oscillating motion and low frequency.
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