NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU311W ,D=55 Dia ø_04^220~400mm Mass / mass unit 700g

Mass / mass unit 700g

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NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU311W ,D=55 Dia ø_04^220~400mm Mass / mass unit 700gNSK Cylindrical Roller Bearings, Single Row NU Type, NU311W ,D=55 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 NU311W 55 120 29 2 2 70. 5 137 143 6000 4500 5600 1. 463 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their