NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU309W ,D=45 Series_42^400 21 Socket Extensions 1/2"×5" 1/2"

21 Socket Extensions  1/2"×5" 1/2" Square Drive Ratchet Wrenches Ball-End L-Keys Sets (1

- Closed structure

500 min-1 Air consumption (no load): 0

Bit length: 75

④Internal design

NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU309W ,D=45 Series_42^400 21 Socket Extensions 1/2"×5" 1/2"NSK Cylindrical Roller Bearings, Single Row NU Type, NU309W ,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 NU309W 45 100 25 1. 5 1. 5 58. 5 97. 5 98. 5 7100 6000 7500 0. 895 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on