All Categories > Roller Bearings > Needle Roller Bearings > Metric Needle Roller Bearings > RNA 4900 Standard Needle Roller Bearings without Inner Ring > Item # RNA 490S Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # RNA 490S, RNA 4900 Standard Needle Roller Bearings without Inner Ring 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 and seals.Needle roller bearings without inner ring offer technically the best bearing arrangement solution if the shaft raceway is hardened and ground. This allows for the use of larger shafts and design alternatives. larger image larger image Unit of Measure: Metric Specifications (Fw) Diameter Under Rollers 30 mm (D) Outside Diameter 42.000 mm (C) Width 17 mm (C) Dynamic Load 24200 N (Co) Static Load 34500 N (Grease) Lubrication Speed 8500 r/min (Oil) Lubrication Speed 13000 r/min Weight 0.06 g Common Options 2RS-- Two Rubber Seals DOWNLOADS Bearing Failure Analysis
