All Categories > Roller Bearings > Needle Roller Bearings > Metric Needle Roller Bearings > NKI Style Standard Needle Roller Bearings with Inner Ring > Item # NKI 42/20 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # NKI 42/20, NKI Style Standard Needle Roller Bearings with 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 with inner rings are used if the shaft cannot be used as a raceway. Unit of Measure: Metric Specifications (d) Bore Diameter 42 mm (D) Outside Diameter 57 mm (C) Width 20 mm (C) Dynamic Load 29200 N (Co) Static Load 61000 N (Grease) Lubrication Speed 6000 r/min (Oil) Lubrication Speed 8500 r/min Weight 0.15 g DOWNLOADS Bearing Failure Analysis