All Categories > Roller Bearings > Needle Roller Bearings > Metric Needle Roller Bearings > NA 4900 Style Standard Needle Roller Bearings > Item # NA4911 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # NA4911, 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 55 mm (D) Outside Diameter 80.000 mm (B) Width 25 mm (C) Dynamic Load 57200 N (Co) Static Load 106000 N (Grease) Lubrication Speed 4500 r/min (Oil) Lubrication Speed 6300 r/min Weight 0.40 g DOWNLOADS Bearing Failure Analysis
