Angular Contact Ball Bearings


The NSK range of angular contact ball bearings has been designed to meet the increasingly demanding requirements of original equipment manufacturers. These bearings have a contact angle so that they can sustain significant axial loads in one direction together with radial loads. Furthermore, since an axial component is generated when a radial load is applied, these bearings are generally used in pairs, triplex sets, quadruplex sets, or multiplex sets. NSK offers one of the most comprehensive ranges of angular contact ball bearings available.
  • Single-Row Angular Contact Ball Bearings (Pressed Steel Cages & Machined Brass Cages)

    Since these bearings have a contact angle, they can sustain significant axial loads in one direction together with radial loads. Because of their design, when a radial load is applied, an axial force component is produced; therefore, two opposed bearings or a combination of more than two must be used.

    Since the rigidity of single-row angular contact ball bearings can be increased by preloading, they are often used in the main spindles of machine tools, for which high running accuracy is required.

    Usually, the cages for angular contact ball bearings with a contact angle of 30° (Symbol A) or 40° (Symbol B) are in accordance with Table 1, but depending on the application, machined synthetic resin cages or molded polyamide resin cages are also used. The basic load ratings given in the bearing tables are based on the cage classification listed in Table 1.

    Single-Row Angular Contact Ball Bearings
  • Matched Angular Contact Ball Bearings

    The types and features of matched angular Contact Ball bearings are shown in Table 2

    Matched Angular Contact Ball Bearings
  • Double-Row Angular Contact Ball Bearings

    This is basically a back-to-back mounting of two single-row angular contact ball bearings, but their inner and outer rings are each integrated into one. Axial loads in both directions can be sustained, and the capacity to sustain moments is good. This type is used as fixed-end bearings.

    Their cages are pressed steel.

    Double-Row Angular Contact Ball Bearings
  • Four-Point Contact Ball Bearings

    The inner ring is split radially into two pieces. Their design allows one bearing to sustain significant axial loads in either direction.

    The contact angle is 35°, so the axial load capacity is high. This type is suitable for carrying pure axial loads or combined loads where the axial loads are high.

    The cages are made of machined brass.

 


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