NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU420M ,D=100 Dia ø_02^55~100mm 0 12 30 110 4

0 12 30 110 4 69

Reference Mechanical Grease Oil NJ234M 170 310 52 4 4 207 　 605 800 2400 3800 2000 2400 18

light wedge work

5 150 200 WORM PATTERN DRILLSDL126700 10 150 200 WORM PATTERN DRILLSDL126705 10

EFT-190 feedwheel is made of Tungsten carbide

NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU420M ,D=100 Dia ø_02^55~100mm 0 12 30 110 4NSK Cylindrical Roller Bearings, Single Row NU Type, NU420M ,D=100 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 NU420M 100 250 58 4 4 139 450 500 3000 2600 3000 15. 5 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their