ADR bearing designation: A856R

ADR bearing designation: A856R

This designation is only defining the size and shape of the ball bearing. Materials and performances have to be detailed during study and quotation.

    ADRBearingsA856R
    This designation is only defining the size and shape of the ball bearing. Materials and performances have to be detailed during study and quotation.

    Bearing Dimension

    d 88.9 mm   D 101.6 mm
    d1 93.27 mm   D1 97.22 mm
    B* 6.35 mm   r 0.635 mm

    * For protected bearing (ZZ, FF, -2RS)
    Width B and Flange Width C1 can be larger depending of the size of bearing, please contact us.

    Speed Limit

    Lubricant & Bearing Type 1
    Contact us
    Lubricant & Bearing Type 2
    Contact us

    Basic Load Rating of Bearing

    Static radial capacity [Co] 5,590 N
    Static axial capacity [Ca] 9,730 N
    Dynamic radial capacity (X105CrMo17) [C] 3,450 N
    Dynamic radial capacity (100Cr6) [C] - N
    To improve Capacity and Life time Contact us

    Bearing Version

    Serie Thin section bearing - Inch serie
    Conception Deep groove ball bearing
    Cage With phenolic resin crown cage
    For Bearing Protected with Shields or Seals Contact us

    Tolerance, Internal Clearance and Calibration

    Tolerance class selected usually Class “T4” for Rigid ball bearing
    Class “TA4” for Thin Section ball bearing
    For Others Tolerances Refer to catalogue Page 32 to 43

    Assembling Configuration

    ADR proposes different bearings pair configuration in standard, for example:

    • DO for Duplex ball bearings in Back-to-Back configuration
    • DX for Duplex ball bearings in Face-to-Face configuration

    To define assembling configuration and preload value:

    Contact us Refer to catalogue Page 44 to 49

    Mean Mass

    Ball bearing mass 66.00 g

    Additional Informations

    Recommended lubricant operating temperature:

    Open ball bearing: Oil, ISOFLEX PDP38 – Minimum -65°C and +100°C maximum

    Protected ball bearing: Grease, NYCOGREASE GN10 – Minimum -73°C and +121°C maximum

    In standard Stainless steel ring and cage, maximum temperature to 150°C

    Phenolic resin cage, maximum temperature to 120°C

    PTFE separators balls, maximum temperature to 150°C

    For further information on the A856R designation

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    Data are not contractually binding. ADR disclaims any responsibility for printing errors in this data sheet.

    May 9, 2025

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