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    Casa > Notícias e Media > Cylindrical Roller Bearings
    Cylindrical Roller Bearings
    Autor: youhuaTempo: 2015/11/17

    Cylindrical Roller Bearings

    In bearings of this type, the cylindrical rollers are in linear contact with the raceways. They have a high radial load capacity and are suitable for high speeds.

    There are different types designated as NU, NJ, NUP, N, NF (for single-row bearings), NNU, and NN (for double-row bearings depending on the design or absence of side ribs).

    The outer and inner rings of all types are separable.

    Some cylindrical roller bearings have no ribs on either the inner or outer ring, so the rings can move axially relative to each other. These can be used as free-end bearings. Cylindrical roller bearings, in which either the inner or outer rings has two ribs and the other ring has one, are capable of taking some axial load in one direction. Double-row cylindrical roller bearings have high radial rigidity and are used primarily for precision machine tools.

    Pressed steel or machined brass cages are generally used, but sometimes molded polyamide cages are also used.

    Depending on the existence of ribs on their rings, Cylindrical Roller Bearings are classified into the following types:

    1.       Single row cylindrical roller bearings, caged, mainly of the N, NU, NJ, NF, NUP and NFP designs;

    2.       Double row cylindrical roller bearings, caged, mainly of the NN, NNU, and NNF designs;

    3.       Four-row cylindrical roller bearings;

    4.       Single row cylindrical roller bearings without inner or outer rings type.

     

    ▲   The design’s of all these Cylindrical Roller Bearings series are based on standard structures; LYNB can design and manufacture many other similar structures in accordance to the special and particular requirements of their customers’. If our customer’s have specific requests then the customer should identify the structure, and mounting dimensions that are required. Please contact the LYNB Technical Center if you need any assistance in this area.

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