JF Series bimetal bushings based upon steel backing and sintered with Cu or Al alloy. It can insure the bushing's O.D. precision against the friction between O.D. and housing after pressing it into housing because of mild steel as it's base. The chemical changes of inner alloy layer can make the bushing work well under various load presses, different working temperatures and sliding speeds. Different structures of oil grooves and oil indentations can satisfy different adding oil ways and prevent the bushings from gripping shaft.
Application:
JF bimetal bushings are widely used in oil lubricating situations. normally udder low speed and oil lubricating situations assemble with grease and work with adding oil periodically, such as suspension, steering ball joints ,brake pedal points, redirector, connecting rod, under middle speed work with oil, such as connecting rod, shaft and transportation parts of cut machine. under high speed work within oil, such as gear box, fuel pump, engine, clutch, etc

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Lock Type of JF Wrapped Bushing


The Designing of Oil Indentations
      In order to fully lubricate the bush when in the performance, the indentation with size as follows are recommended. They should be manufactured according to following standard dimension if there's no special requirements.

Bush outside diameter    
 
From   to(mm)

14~22 22~40 40~50 50~100 100~180
Lubricate hole diameter(mm) 3 4 5 6 7

Type for JF Bushing's Grooves & Indentations

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