150-4105: Rubber Backup Ring
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    150-4105: Rubber Backup Ring

    Part Number: 150-4105
    Brand: Cat
    Retrieving Price.....

    Rubber Backup Ring

    Backup rings prevent seal extrusion in high pressure applications and help protect the life of overall sealing system from pressure surges.

    Cat® backup rings are designed in conjunction with the elastomeric seal and mating components to contribute significantly to the life and performance of the sealing system in high pressure applications. They may be solid or split depending on the application requirements.

    Backup ring dimensions are consistently held to tight tolerances to ensure they properly bridge the seal groove and the mating surface. Materials are selected for their pressure and abrasion resistance.

    Cat® sealing system uses a robust design, testing, and validation process. Buy the latest Genuine Cat® seal to protect your investment.

    Backup rings are used in high pressure static and dynamic sealing applications, such as hydraulic pumps, valves and engine systems.

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    • US
    • Metric
    • Cross Section Height (in): 0.07
    • Cross Section Width (in): 0.1
    • Inside Diameter (in): 1.37
    • Material: Rubber
    • Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.
    • Seal/O-Ring Type: Solid
    marine products
    C7, 3126B


    motor grader
    135H, 120H

    wheel-type loader
    950G II 962G II 938G II

    forest products
    322C, 580B, 570B

    engine - industrial
    SPP101 3126B

    engine - truck
    3126E, C7, 3126, 3126B

    integrated toolcarrier
    IT62G II IT38G II

    track-type tractor
    D6N, D5N

    wheeled excavator
    M325C MH

    track-type loader
    963C, 953C

    petroleum products

    325C, 322C, 325C FM 322C FM 325C L 325D L 325D

    470, 465, 460