The thrust disc/thrust washer is placed between a rotating surface and a stationary component, allowing axial load or side-to-side motion on a shaft and preventing any movement along the shaft. In addition, the thrust disc/thrust washer provides a surface to support sealed thrust bearings, making it the ideal component in high-wear applications. The specific application determines the type of thrust washer that is recommended. Silicon carbide (SSIC & RBSIC), carbon graphite (Resin-impregnated & Metal-impregnated), and tungsten carbide (6% Nickel TC & 6% Cobalt TC) are the primary materials used for thrust disc/washers.
Electric submersible pumps (ESP) operate in small-diameter boreholes at significant depths and high ambient temperatures, requiring high reliability with the properties of the thrust washer and thrust bearings. With the delicate design, the thrust disc has improved load capacity. Electric submersible pumps (ESP) commonly use thrust discs/washers in high-wear applications such as axle assemblies, motors, transmissions, pumps, power take-offs, and winches.
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