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Roller bearings are a type of bearing that carry a load by placing rolling elements between two bearing rings, or races. The structure of the races allows the rolling elements to move with little rolling friction and sliding. These bearings are often found in aviation cargo systems, solar panels, power houses, and engines. Roller bearings serve a particularly important role in engines as they support the crankshaft and allow rotation during engine operation. Moreover, they have an increased load capacity and can be used under varying temperatures. Roller bearings come in different types with specified functions, so selecting the one that best fits your application is important. 

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