All Categories > Roller Bearings > Needle Roller Bearings > Metric Needle Roller Bearings > NA 4900 Style Standard Needle Roller Bearings > Item # NA4909 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # NA4909, NA 4900 Style Standard Needle Roller Bearings List Price QUOTE Needle Roller Bearings have a high load carrying capacity and can operate at high speeds. They have slim design and are suited where radial space is limited. They are available with or without an inner ring.Needle roller bearings with inner rings are used if the shaft cannot be used as a raceway. larger image larger image Unit of Measure: Metric Specifications (d) Bore Diameter 45 mm (D) Outside Diameter 68.000 mm (B) Width 22 mm (C) Dynamic Load 45700 N (Co) Static Load 78000 N (Grease) Lubrication Speed 5300 r/min (Oil) Lubrication Speed 7500 r/min Weight 0.27 g DOWNLOADS Bearing Failure Analysis
