Angular contact ball bearings
    Contact angle between the rings and balls, standard contact angle of 15 °, 30 ° and 40 °
    The larger the contact angle the greater the axial load capacity
    The smaller the contact angle is more conducive to high-speed rotation
    The single row bearings can bear radial load and axial load
    DB combinations, the DF combination and double-row bearings can bear radial load and axial load
    DT combined application of axial load, single bearing rated load occasion
    High speed using the ACH-type bearings, ball diameter, ball a few more, mostly for machine tool spindle
    Angular contact ball bearings for high-speed and high-precision rotation
    The back of the combination of two single row angular contact ball bearing inner and outer rings, the structure can bear radial load and axial load
    No filling slot bearings are sealed type
    Mainly applied to the cage:
    Steel cages (Bowl ... single row; S-shaped, crown-shaped double row.)
    Cutting of copper alloy or phenolic resin cage, synthetic resin forming Cage
    Main purposes:
    Single row: machine tool spindles, high frequency motors, gas turbines, centrifuges, small front wheel, the differential pinion shaft
    Double row: pumps, Roots blowers, air compressors, various types of transmission, fuel injection pump, printing machinery
    Four point contact ball bearings
    Radial load and axial load
    Single bearing can replace the positive combination or the back of the combination of angular contact ball bearings
    For large synthetic load under pure axial load or axial load component
    Type of bearing axial load in any direction can form a contact angle (α), rings and balls, the total * in the duplicity point of contact with any of the contact line
    Mainly applied to the cage:
    Copper alloy cutting cage
    Main purposes:
    Aircraft jet engines, gas turbine


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