Sliding bearing solutions for your application

BRO - MET®Thrust washer BMA

BRO - MET®Thrust washer BMA
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    1. Inner dimension

    1. Thickness

    2. Outer dimension

    • BMA.10_1
    BMA is a BRO-MET® bronze thrust washer. Our standard material is CuSn8, alternatively we... more
    Product information "BRO - MET®Thrust washer BMA"

    BMA is a BRO-MET® bronze thrust washer. 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 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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