All Categories > Roller Bearings > Cylindrical Roller Bearings > 300 Series Cylindrical Roller Bearings > Item # NU311 E Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # NU311 E, 300 Series Cylindrical Roller Bearings List Price QUOTE larger image Cylindrical Roller bearings are designed to carry heavy radial loads and are suitable for high speed applications. The design incorporates separable inner or outer rings which simplifies assembly,dismantling, maintenance and inspection. Bore dimension range is from 15mm to 480mm. Available in F1 Traction Motor Precision. Unit of Measure: Metric Specifications (d) Bore Diameter 55 mm (D) Outside Diameter 120 mm (B) Width 29 mm (C) Dynamic Load 138000 N (Co) Static Load 143000 N (Grease) Lubrication Speed 4800 r/min (Oil) Lubrication Speed 5600 r/min Weight 1.55 kg (F) Diameter Under Roller 70.50 mm (E) Diameter Over Roller 107 mm Common Options C3-- Greater than normal clearance E-- Extra Capacity style F1-- Traction Motor Precision M-- Machined Brass Cage TVP-- Polyamide Cage Bearing Type NJ NU NUP Bearing Type P/N NJ311 E NUP311 E DOWNLOADS Proper Shaft and Housing Dimensions for Cylindrical Bearing NU 200-300 Series in Electric Motors Cylindrical Roller Bearings with Cage (JPG, 97KB) Bearing Failure Analysis Comparison of the load carrying ability of different types of bearings
