All Categories > Roller Bearings > Needle Roller Bearings > Metric Needle Roller Bearings > NK Style Standard Needle Roller Bearings without Inner Ring > Item # NK 42/20 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # NK 42/20, NK Style Standard Needle Roller Bearings without Inner Ring List Price QUOTE larger image 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 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. Unit of Measure: Metric Specifications (Fw) Diameter Under Rollers 42 mm (D) Outside Diameter 52.000 mm (C) Width 30 mm (C) Dynamic Load 27000 N (Co) Static Load 53000 N (Grease) Lubrication Speed 6700 r/min (Oil) Lubrication Speed 9500 r/min Weight 0.09 g DOWNLOADS Bearing Failure Analysis