Timken's Type NNU and NN double row cylindrical bearings are custom-designed to carry heavy radial loads.
Los rodamientos de dos hileras de rodillos cilíndricos son de dos tipos: NNU (Fig. 1) y NN (Fig. 2). Los rodillos de los rodamientos de diseño NNU son guiados.
Cylindrical roller bearings, double row, super-precision. Calculation. CAD model Designation bearing: Design: (all)(all) . NNU 4920 BK/SPW33 · 100 · 140.
For additional information about the meaning and limitations of the product data, refer to Cylindrical roller bearings and Principles of bearing selection and
SKF super-precision double row cylindrical roller bearings are manufactured as Bearings in the NNU 49 series, with a very low cross-sectional height, provide
¡To use the bearing in the main shaft of machine tools, adjust the radial internal clearance by inserting a tapered inner ring to the tapered shaft. Model NNU.