NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ311W ,D=55 lobster • Do not apply excessive

• Do not apply excessive force when using reducers to avoid tightening the fastener

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weight size1 Use range 215-0211 AKH-150S(14-150SQ)

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ311W ,D=55 lobster • Do not apply excessiveNSK Cylindrical Roller Bearings, Single Row Nj Type, NJ311W ,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 NJ311W 55 120 29 2 2 70. 5 137 143 6000 4500 5600 1. 5 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their