All Categories > Roller Bearings > Needle Roller Bearings > Metric Needle Roller Bearings > NA 4900 Style Standard Needle Roller Bearings > Item # NA49/28 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # NA49/28, 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 28.000 mm (D) Outside Diameter 45 mm (B) Width 17 mm (C) Dynamic Load 25100 N (Co) Static Load 36500 N (Grease) Lubrication Speed 8000 r/min (Oil) Lubrication Speed 12000 r/min Weight 0.10 g DOWNLOADS Bearing Failure Analysis
