Archive > 2013 > October 2013 > Grease Lubrication Mechanisms in Rolling Bearing Systems

Grease Lubrication Mechanisms in Rolling Bearing Systems - October 2013

Piet M. Lugt

The article "Grease Lubrication Mechanisms in Rolling Bearing Systems" appeared in the October 2013 issue of Power Transmission Engineering.

Summary
Grease lubrication has clear advantages over oil lubrication: Grease does not leak easily; it has sealing properties; and it protects bearing surfaces from corrosion. Its disadvantages are grease-life limitations and a limited cooling ability. Moreover, in some applications there is a risk of grease starvation, which leads to reduced lubricating films. However, if the right grease, sealing system and/or lubrication system are chosen, then grease lubrication offers clear benefits. This article summarizes aspects of grease lubrication mechanisms in rolling bearings.

Keywords
grease, lubrication, bearings

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