All Categories > Roller Bearings > Needle Roller Bearings > Metric Needle Roller Bearings > NA 4900 Style Standard Needle Roller Bearings > Item # NA4901 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # NA4901, 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 12 mm (D) Outside Diameter 24 mm (B) Width 13 mm (C) Dynamic Load 9900 N (Co) Static Load 12200 N (Grease) Lubrication Speed 16000 r/min (Oil) Lubrication Speed 24000 r/min Weight 0.03 g DOWNLOADS Bearing Failure Analysis