NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU420M ,D=100 Ball Hex Key Set Black Opening a (mm) Throat depth

Opening a (mm) Throat depth b (mm) Spreading width e min/max (mm) Rail (mm) Weight approx

Practical torque range (Nm): 7-70

Angle range: 5°‐180°

DU : Universal arrangement (double-row)

1 95 　 330 395 4800 6700 3400 4300 5

NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU420M ,D=100 Ball Hex Key Set Black Opening a (mm) Throat depthNSK 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