Waukesha Bearings applies a variety of specialized design features to customize vertical bearing solutions to application conditions and the required performance parameters.

Rendering of the inside of a wind turbine nacelle
Hero1
Waukesha Bearings applies a variety of specialized design features to customize vertical bearing solutions to application conditions and the required performance parameters.

Hydrodynamic Fluid Film Bearings

Rolling Element Bearings
Life Expectancy
Indefinite
Limited Life (L10)
Impact Loads
Excellent
Poor
Damping
Excellent
Poor
Speed Limitations
Approaches Burst Limit
Limited to DN
Noise
Quiet
Can Be Noisy
Start-up Torque
High
Low
Operating Friction
Low
Low
Lubrication
Pressure Fed
Simple
Cost
Low to High
Low to Moderate
Position Control
Fair
Good
Assembly/Repair
Easy to Difficult
Easy
Tolerance for Misalignment
Tolerant
Intolerant
Operating Temperature
Cryogenic to High
Cryogenic to Extreme
Power Loss
Moderate to High
Low to Moderate
Lubricant Requirements
Minimal to High
None to Low
Oil Quality
Moderate
High
Oil Pressure
Low to High
None to High
Natural Frequency Control
Good
Poor
Unbalance Response
Good
Poor
Stability
Good
Fair