Needle bearing
RNA 6903
RNA 6903
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Detail
RNA 6903
Bearing Model RNA 6903
d
D 30
B
Basic load capacityCr18.7
Cor30.5
Fatigue load3.75
Rated speed Referenzdrehzahl18000
Limit speed20000
Bearing Type Needle bearing
RNA 6903 needle roller bearing is equipped with thin and long rollers (the roller length is 3 ~ 10 times the diameter, and the diameter is generally no more than 5mm). Therefore, the radial structure is compact. Its inner diameter size and load capacity are the same as other types of bearings, and its outer diameter is the smallest. It is especially suitable for the supporting structure with limited radial installation size. According to different application occasions, the machining accuracy and surface quality of needle roller bearing shall be combined with the bearing ring and purpose. Needle roller bearing is a bearing unit composed of centripetal needle roller bearing and thrust bearing components.