NSK Cylindrical Roller Bearings, Single-Row N-Type, N308W ,D=40 Electrician's Ratchet Screwdriver C: Contact Angle of 15°

C: Contact Angle of 15°

4G MILL SEME7220090200 20 20 90 200 4 61

Length L-key: 163 1x L-keys (34761)

Hole drilling ability (mm): 13

NSK Cylindrical Roller Bearings, Single-Row N-Type, N308W ,D=40 Electrician's Ratchet Screwdriver C: Contact Angle of 15°NSK Cylindrical Roller Bearings, Single Row N Type, N308W ,D=40 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 N308W 40 90 23 1. 5 1. 5 77. 5 58. 5 57 8500 5600 6700 0. 649 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their