BR Technical Characteristics
Lubrication systems
Lubrication is usually needed to prevent contact between shaft and bearing surfaces. This helps to minimize friction and wear, avoids temperature peaks, and eliminates eventual material fatigue and corrosion
There are two main ways of lubricating a bearing, adding grease or oil manually, or by force feed oil lubrication systems, each type has its own pros and cons.
FORCE FEED OIL LUBRICATION
Advantages
Heat dissipation
High temperatures (30m/min)
Hydrodynamic lubrication possible
Rapid removal of wear particles and dirt
Possibility of high loads 120 MPa
Disadvantages
Expensive construction
Good sealing required
Poor damping of vibrations and noise
Lubrication for life at assembly not possible
GREASE LUBRICATION
Advantages
Simple construction
Problem free sealing
Possibility of high loads 150 MPa
Lubrication for life possible through grease storage
Effective damping of noise and vibrations
Simple bearing replacement possible
Disadvantages
Low running – speed up to 20 m/min
Poor heat dissipation
Centralised lubrication only feasible with low – consistency greases
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