NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU421M ,D=105 YG-1 Bottom blade is serrated in

Bottom blade is serrated in order to grip material

Visible blade length: 80  1x Screwdriver SoftFinish® (01292)

A combined type that can also be used as a file

Light-Duty blade (0

120-1527 Flat File(10 PCS)

NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU421M ,D=105 YG-1 Bottom blade is serrated inNSK Cylindrical Roller Bearings, Single Row NU Type, NU421M ,D=105 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 NU421M 105 260 60 4 4 144. 5 495 555 2800 2400 3000 17. 3 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their