NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU2209W ,D=45 peacock • Usable to a lifetime

• Usable to a lifetime of socket because of a replaceable bit

and NN are suitable as free-end bearings

they are often used in the main spindles of machine tools where high running accuracy is required (refer to Chapter 9 Preload on Page A192 for more information)

This is the WINDLASS TYPE TENSIONER for PET STRAPS:

NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU2209W ,D=45 peacock • Usable to a lifetimeNSK Cylindrical Roller Bearings, Single Row NU Type, NU2209W ,D=45 Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min 1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NU2209W 45 85 23 1. 1 1. 1 54. 5 76 84. 5 8500 6700 8500 0. 595 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on