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  • 3/16 x 3/8 x 1/2" Oil-Impregnated Sintered Bronze Sleeve Bearing SS-612-8
  • 3/16 x 3/8 x 1/2" Oil-Impregnated Sintered Bronze Sleeve Bearing SS-612-8
  • 3/16 x 3/8 x 1/2" Oil-Impregnated Sintered Bronze Sleeve Bearing SS-612-8
  • 3/16 x 3/8 x 1/2" Oil-Impregnated Sintered Bronze Sleeve Bearing SS-612-8

    • 3/16 x 3/8 x 1/2" Oil-Impregnated Sintered Bronze Sleeve Bearing SS-612-8

    Symmco

    $1.48
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    SKU:
    SYM SS-612-8
    Weight:
    0.05 LBS
    Inner diameter:
    0.1875"
    Outer diameter:
    0.375"
    Length:
    0.500"
    Oilite® number:
    AA-346
    Harmonization code:
    7407.29
    Country of origin:
    USA
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    Product Description

  • Sintered metal, self-lubricating bearings are made from powdered metal alloys pressed and baked with heat to form various dimensions.
  • Upon exiting their moulds, the newly formed surfaces are formed with open pores. These pores channel lubricants between the bearing itself and the shaft.
  • The pores are then vacuum impregnated with an oil to improve the material's load bearing ability.
  • The bearing material holds approximately 20% oil by volume and acts as a "sponge like" resevoir.
  • The most common lubricant impregnated at the factory is straight SAE 30 oil.
  • Sintered metal is mostly made of copper with approximately 10% tin and up to 1% iron.
  • Sintered metals reduced coefficient of friction makes it useful for many applications.
  • Uniform oil coating of the mating shaft during operation ensures good lubricant distribution.
  • Due to the porous structure of sintered materials, machining them poses issues. A sharp cutting tool such as tungsten carbide is stipulated as it does not "smear" the surface of the sintered metal and block the pores lubrication ability such as a reamer will do.

     

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    Custom Field

    Inner diameter 0.1875"
    Outer diameter 0.375"
    Length 0.500"
    Oilite® number AA-346
    Harmonization code 7407.29
    Country of origin USA

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