NSK Cylindrical Roller Bearings, Single-Row N-Type, N309W ,D=45 KSTAR Opening a (mm) Throat depth

Opening a (mm) Throat depth b (mm) Weight approx

PC-3 Parallel

Cr C0r Grease Oil 7228A 140 250 42 3 1

WS 3 – on carded hang pack

1) 315 32 120 430

NSK Cylindrical Roller Bearings, Single-Row N-Type, N309W ,D=45 KSTAR Opening a (mm) Throat depthNSK Cylindrical Roller Bearings, Single Row N Type, N309W ,D=45 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 N309W 45 100 25 1. 5 1. 5 86. 5 79 77. 5 7500 5000 6000 0. 869 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their