Self-aligning ball bearings generate less friction than any other type of rolling bearing, which enables them to run cooler even at high speeds. Because of low heat generation, the bearing temperature is lower, leading to extended bearing life and maintenance intervals.
Single row angular contact ball bearings can only withstand axial load in one direction. When such bearings are subjected to pure radial load, they must be installed and used in pairs because the line of action of the rolling body load and the line of action of the radial load are not in the same radial plane, resulting in an internal axial component.
Spherical Roller Bearing: The outer ring is a sphere with the center point of the bearing as the ball center, with automatic aligning, linear contact between the rolling body and the inner and outer ring raceway and can withstand large radial load. Suitable for mining, metallurgy, paper making, construction and other large machinery and equipment.
Needle Roller Bearings (needle bearing) is a cylindrical roller with roller bearings, relative to its diameter, roller both thin and long. This is called needle roller. Despite having a smaller cross-section,has a higher load bearing capacity, equipped with a thin and long needle bearing roller (roller diameter D≤5mm,L / D≥2.5, L is the length of the roller), so radial structure is compact, its diameter size and load capacity and other types of bearings, minimum diameter, especially for radial dimensions limited support structure.
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