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This bronze Bunting Bearings powdered metal sleeve (plain) bearing with PTFE added to the lubricant is formed and sized to SAE (Society of Automotive Engineers) 841 specifications for supporting radial and axial loads. This bearing has been sintered with powdered metals for strength, durability, and corrosion resistance. It is vacuum-infused with SAE 90 oil, which has a higher viscosity than the more commonly used SAE 30 oil to accommodate applications that involve above-average friction and higher continuous operating temperatures. The oil, which remains in the pores of the bearing to provide lubricant from the bearing to the shaft during operation, is supplemented with finely dispersed polytetrafluoroethylene (PTFE) to reduce friction for applications that require slow speeds and frequent starts and stops. This plain bearing has a maximum load value of 2,000 psi (pounds per square inch), a maximum velocity value of 1,200 sfpm (surface feet per minute), and a maximum load-at-velocity (PV) value of 50,000, and operates at temperatures ranging from 10 degrees F to 220 F (-12 degrees C to 104 C). Designed with a regular straight bore, this bearing fits to conventional cylindrical shafts. This oil-filled powdered metal sleeve (plain) bearing is for use in various applications such as heavy-lifting equipment, pumps, aircraft, and motors, among others.
|Chemical and physical properties, and manufacture||AMS 4805|
|Specification defining sampling procedures and tables for attribute inspection||ANSI/ASQC Z1.4|
|Specifications for sintered, oil-infused bronze bearings||ASTM B438|
|Specification for iron-base powder metallurgy (PM), oil-infused bearings||ASTM B439|
|Metal Powder Industries Federation||CT-1000-K26|
|Chemical and physical properties, and manufacture||ISO 9001|
|Chemical and physical properties, and manufacture||MIL-B-5687D|
Plain bearings (with no rolling elements) are used to handle radial or axial loads by providing a low-friction motion between two surfaces as shafts rotate or move back and forth through the center of the bearing. The most common types are bushings (also called bush), with a sleeve or flanged design, and are measured by their bore (inside diameter), outside diameter, length, and width (thickness). Plain bearings are used in automobiles, construction equipment, medical applications, railroad cars, turbines, various military applications, aeronautics, space exploration, among others.
Bunting Bearings LLC manufactures a variety of bearings that meet standards for quality assurance established by the SAE, the American Society for Testing and Materials (ASTM), and the International Organization for Standardization (ISO), among others. Founded in 1907, Bunting Bearings LLC is based in Holland, Ohio.
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