Bearings • Roller Bearings • Needle Roller Bearings
A needle roller bearing is a type of bearing typically constructed from an inner race, needle rollers, a needle cage that contains and orients the needle rollers, and an outer race. They come in two basic types: radial needle bearings that are cylindrical and use rollers arranged in parallel to the shaft axis, and thrust needle bearings that are flat and use a radial needle pattern. Compared to ball bearings, needle roller bearings have a large surface area in contact with the outer bearing surfaces, resulting in greater load capacity. As a result, they are frequently used in engine components such as rocker arm pivots, pumps, compressors, transmissions, and drive shafts. Leading Manufacturers: Schaeffler Technologies, SKF, RBC Bearings, Timken, NTN Bearing Corporation of America, NSK Bearings, QBC Bearings.
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Accurate Bushing Company offers a selection of airframe needle bearings for the aerospace industry. Types include needle bearing track rollers in single or double row, and needle bearings in single row, integral stud, or integral stud crowned.
Berliss is a manufacturer of needle roller bearings with a large load carrying capacity, often used in farm, truck and construction equipment, two cycle engines, outboard engines and other applications. Needle roller bearings are available in a variety of materials including stainless and chrome steel. Tapered roller bearings are also available.