BRO - MET® Flanged bushing BMB

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    1. Inner dimension

    2. Outer dimension

    3. Dimension flange

    4. Length

    • BMB.2515
    BRO-MET® is a wrapped bronze bushing. Our standard material is CuSn8, alternatively we also can... more
    Product information "BRO - MET® Flanged bushing BMB"

    BRO-MET® is a wrapped bronze bushing. Our standard material is CuSn8, alternatively we also can supply a CuSn6 bronze grade. The hardness of CuSn6 will slightly be lesser.

    BRO-MET® was initially invented as an economic solution to solid bronze bushings, which have been used for centuries. The advantage being that they are produced from bronze sheet materials with a max. thickness of 2.5mm. The manufacturing process starts with cutting the sheet to the correct rectangular shape. Then the plate will be rolled and calibrated to the final size and finished with chamfering the edges. BRO-MET® bushings are manufactured according to DIN 1494/ ISO 3574 with standard sizes for H7 housing tolerances and f7 or h8 shaft tolerances.

    The thin wall thickness as well as the economic production method makes BRO-MET® a relative inexpensive alternative to solid machined bushings. However, we need to highlight that there is a limitation to the material.

    BRO-MET® bushings have diamond-shaped lubrication pockets on the ID, covering about 25% of the surface. Therefore, grease intervals can be stretched to the maximum.

    This type of material is often used for agricultural machinery, brakes and certain construction machinery.

    Sliding surface: CuSn8P (DIN 17662)
    Support material: CuSn8P (DIN 17662)
    Dynamic load: ≤ 40 N/mm²
    Static load: ≤ 120 N/mm²
    Sliding speed: ≤ 2,5 m/s
    Fricition value: 0,05 - 0,12 µ
    max. PV-value: 2,8 N/mm² x m/s
    Temperature strain: -40 up to +250 °C
    Maintenance: maintenance-bound
    Tolerance housing: H7
    Tolerance after mounting: H9
    Shaft tolerance: f7 up to h8
    Shaft material: Steel, hardened or untempered, roughness Rz ≤ 6,3
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