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Needle roller bearing
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DETAILS
Needle roller bearing is a cylindrical roller of roller bearings, relative to its diameter, roller is thin and long. This is called needle roller. Although has a small cross-section, bearing still has high load capacity, needle bearing with fine and long roller (roller diameter D 5 mm or less, acuity 2.5 L/D, L) for the roller length, so the radial structure is compact, its diameter and load capacity at the same time, with other types of bearing outside diameter to a minimum, especially suitable for the limited size of the radial installation supporting structure. |