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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Timken is a manufacturer of needle roller bearings. Their drawn cup needle roller bearings come in full complement and caged versions. Timken also offers drawn cup roller clutches and bearing assemblies, roller and cage assemblies, and heavy-duty (machined race) needle roller bearings with a relatively small radial cross section. Timken also manufactures their line of Fafnir ball, angular contact and ceramic bearings.