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PARKER FR GUIDE RING

    FR Guiding Element

    Descriptions

    The Profile FR guide ring is open and therefore lends itself to easy assembly. It is
    extraordinarily wear-resistant and suitable for rod guiding. The use of this guide ring
    simplifies the design of cylinder heads.

    Features

    • Minimal play due to extremely small
    manufacturing tolerances of the guiding
    elements.
    • Vibration absorption effect.
    • Extreme wear resistance.
    • Improved sliding properties due to surface structure.
    • Significantly higher permissible loading
    pressure compared with other guidance
    tape materials.
    • Dimensions according to DIN 10766.
    • Any desired nominal diameter available
    due to use of machining technique.
    • Installation in closed and undercut
    housings.

    Range of application
    Guiding element for rods in hydraulic cylinders.

    Operating temperature

    FR Q5029
    FR Q5038
    -50 °C to +120 °C
    -50 °C to +130 °C
    in HFA, HFB and HFC fluids-30 °C to +80 °C
    in water max.+ 100 °C

    Pressure resistance acc. to DIN 53454

    FR Q5029
    FR Q5038
    270 N/mm²
    340 N/mm²

    Water absorption acc. to DIN 53495

    FR Q5029
    FR Q5038
    1 % to 2 %
    < 0.1 %
    Sliding speed≤ 0.5 m/s

    Compounds
    Duroplastic synthetic resins with fabric reinforcement.
    Q5029: phenole resin-cotton laminate.
    Q5038: phenole resin-acrylic fabric laminate.
    Installation
    For surface requirements, see chapter „General Installation Guidelines“.
    For nonferrous and light metal pistons, please use our F3 guidance tape profile (PTFE
    with carbon filler).
    The installed rings must have a gap „k“ between their diagonally cut ends:
    k = 0.008 x d + 2
    The calculated values for „k“ are rounded up to the nearest millimetre or half-millimetre.
    The calculation of the permissible radial force is based on the projected area d × L.
    Example: permissible radial force F
    R for a rod diameter of d = 80 mm, length L =
    15 mm, compound Q5038T and safety factor 4:

    Recommendation for determing the safety factor ν: ν > 3
    Calculation of elongated length
    “U“ (rod) = π × (d + S) – k

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    11142.611.2
    12153.612.2
    1215.1412.2
    14172.514.2
    15182.515.2
    15.5193.615.7
    18212.518.2
    1821618.2
    2025420.2
    20255.620.2
    20259.720.2
    20265.120.2
    22252.522.2
    2225.1422.2
    22265.622.2
    25305.625.2
    25309.725.2
    25.428.5425.6
    27325.627.2
    28335.628.2
    28339.728.2
    30332.530.2
    30349.730.2
    3035430.2
    30355.630.2
    30359.730.2
    30365.130.2
    32375.632.3
    32379.732.3
    34405.134.3
    3540435.3
    35405.635.3
    35409.735.3
    35451535.3
    36415.636.3
    36419.736.3
    37425.637.3
    38412.538.3
    40455.640.4
    40459.740.4
    40451540.4
    4045.15.640.4
    40469.840.4
    44505.144.4
    45482.545.4
    45505.645.4
    45506.345.4
    45509.745.4
    45501545.4
    48539.748.4
    50555.650.4
    50556.350.4
    50559.750.4
    50552050.4
    50.855.81651.2
    50.855.82551.2
    53589.753.4
    5558455.4
    55605.655.4
    55606.355.4
    55609.755.4
    55601555.4
    5760457.4
    58635.658.4
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