NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU2311W ,D=55 L-Clamp Lightweight 6 ounces Measurement Accuracy ±0

6 ounces Measurement Accuracy ±0

1 77 　 124 126 6000 　 3800 4500 1

Variants mm 200  Needle Files Set (2nd cut) 120-1174 7 PCS

Long-wearing comfortable temples and nose rests

NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU2311W ,D=55 L-Clamp Lightweight 6 ounces Measurement Accuracy ±0NSK Cylindrical Roller Bearings, Single Row NU Type, NU2311W ,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 NU2311W 55 120 43 2 2 70. 5 201 233 6000 4500 5600 2. 48 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their