Import oil TIMKEN bearing and the basic principle of domestic oil bearing are same, just different brand.

Use of the porous material properties and characteristics of the lubricating oil or affinity, bearing in the installation and use of the congregation, that oil infiltrating bearings materials, TIMKEN bearing can not add or during a long time don't add the lubricating oil, the bearing called oil-retaining bearing. Oil-retaining bearing on the operation state, lubricating oil filled with its pore, operation, shaft rotary because of friction and fever, axle bush thermal expansion make pore decreases, and then, the oil spill, into the bearing clearance. When the shaft to stop turning, axle bush cooling, the pore recovery, lubricating oil and is sucked back to the pore.
 
Oil-retaining bearing though it may be possible into complete oil film, but most occasions, the bearing is in incomplete oil film mix of friction state. Can use porous material character, make pore oily filled with oil bearing bush materials: wood, growing cast iron, cast copper alloy and powder metallurgy by grinding materials; Can use material and lubricant and characteristics of lubricating oil equably dispersed oil bearing bush in the materials for polymer materials, such as oil phenolic resin.
 



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