All Categories > Roller Bearings > Needle Roller Bearings > Metric Needle Roller Bearings > NA 4900 Style Standard Needle Roller Bearings > Item # NA4920 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # NA4920, 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 100.000 mm (D) Outside Diameter 140.000 mm (B) Width 40 mm (C) Dynamic Load 125000 N (Co) Static Load 280000 N (Grease) Lubrication Speed 2200 r/min (Oil) Lubrication Speed 3400 r/min Weight 1.90 g DOWNLOADS Bearing Failure Analysis