NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU421M ,D=105 Hex Bit Socket Set Grain Type : Premium Aluminum-Oxide

Grain Type : Premium Aluminum-Oxide Aluminum Oxide

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NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU421M ,D=105 Hex Bit Socket Set Grain Type : Premium Aluminum-OxideNSK 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