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  • High Precision Angular Contact Ball Bearings

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    High Precision Angular Contact Ball Bearings models
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     High Precision Angular Contact Ball Bearings

    Features:
    High precision angular contact ball bearing also named Spindle bearings ,which configured correctly refers to a combination of front and rear bearing type bearing arrangement, different configuration determines the spindle different load capacity, running speed, stiffness, temperature and service life, especially on the stiffness and temperature rise more significantly, it should be reasonably configured according to the requirements of machine tool spindle bearings operating characteristics.

    Super precision angular contact ball bearings can be classified into 3 types:
    ■ High precision Angular contact Ball Bearings (standard series ):
    Suffix meaning :
    1) C:15degrees     A5: 25 degrees   A : 30 degrees
    2) DB :Back to back arrangement  DF:Face to face arrangement DT:Tandem arrangement
        SU: universal arrangement (single row )   DU : universal arrangement (double row )
    3) Accuracy : P2  ISO class 2     P4 ISO class 4       P5 ISO class 5
    ■ Ultra High-Speed Angular contact ball bearings (Robust series ) :
    Suffix meaning :
    1) BNR:18 degree     BER:25 degree
    2) DB :Back to back arrangement  DF:Face to face arrangement DT:Tandem arrangement
        SU: universal arrangement (single row )   DU : universal arrangement (double row )
    3) Accuracy : P2  ISO class 2     P4 ISO class 4       P5 ISO class 5
    4) S:bearing steel ring ,bearing steel rolling elements
        H: bearing steel ring ,ceramic rolling elements
        X: Heat resistant steel,ceramic rolling elements
    ■ Ultra High-precision Angular contact ball bearings (Robust series ) :
    Suffix meaning :
    1) BGR:15 degree angle
    2) SU: universal arrangement (single row )   DU : universal arrangement (double row )
    3) Accuracy : P2  ISO class 2     P4 ISO class 4     
    4) S:bearing steel ring ,bearing steel rolling elements
        H: bearing steel ring ,ceramic rolling elements
        X: Heat resistant steel,ceramic rolling elements
    5) 10:10 series   19 : 19 series   02: 02 series

    Parameter:
    Super precision angular contact ball bearings basic knowledge introduction :
    Dimension series 718 ultra light series
    719 light series
    70 medium series
    72 heavy series
     
    Preload A Light
    B Medium
    C Heavy
     
    Arrangement D Set of 2 bearings
    T Set of 3 bearings
    Q set of 4 bearings
    P set of 5 bearings
    B back to back arrangement
    F face to face arrangement
    T tandem
    BT Back to back / Tandem
    FT Face to face /Tandem
    BC two sets tandem then back to back
    FC two sets tandem then face to face
    G universal matching
     
    Contact angle CTA 15°
    CETA 15° high speed bearing
    T Textile laminated phenolic resin cage
    ACTA 25°
    ACETA 25° high speed bearing
    A outer ring centered
    B inner ring centered
     
    Accuracy P4 Standard ISO 4degree
    P4A Dimension ISO 4 degree Running accuracy ISO 4 degree
    P2 Standard ISO 2 degree


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