Roviatech Blog
Bearing know-how from 30 years in the bearing trade in Korea: how to read bearing numbers, why bearings fail, and where bearings work.

Wind Turbine Bearings: The Five Places They Work
Which bearings does a wind turbine use? Pitch, main shaft, gearbox, generator and yaw bearings — what each one does, and why offshore wind makes the job harder.

How to Read Bearing Numbers (6205ZZ Explained)
What does 6205ZZ mean? 6 is the bearing type, 2 the dimension series, 05 the 25 mm bore and ZZ two metal shields. Learn to read bearing numbers and common suffixes such as ZZ, 2RS and C3.

The History of Bearings: From Rolling Logs to Ball Bearings
When was the ball bearing invented? From log rollers and greased axles to Leonardo da Vinci, the first ball bearing patent in 1794, the bicycle in 1869 and mass-produced steel balls in 1883: a short history of bearings.
More articles are on the way.
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