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RST-FU Powder Sintered Bearings

    Material Structure

    Bronze, Bronze with MoS2, Bronze with lron, Lron, Special materials

    Sintered self-lubricating bearings are the ideal and economical solution for applications where lubrication is difficulty or can not be given. like electrical motors, office machines, automotive etc.


    Standard OD tolerance r7, ID tolerance F7


    Cylindrical bushes, flange bushes, thrust washers and non-standard parts as the clients supplied drawing etc.


Alloy Chemical Compositions
Sort Design-ation Alloy element
FU FU-1 Cu-base
FU-2 Fe-base
FU-3 Fe-Cu-base



  1. High-temperature resistant hith-speed and high load capacitices; hole precision can be H7,noise ( the distance is 50mm ) is under 20dB, PV can be 3000Kgf*(cm2*Min) -1, the aperture is under 7mm. It's widely used in various micro-motor.