Frequently Asked Questions
about Rudder Bearings

What information is required in order to obtain a 15-year SXL rudder bearing wear life guarantee from Thordon?

The 15-year rudder bearing guarantee is only available for commercial newbuild ships.  For retrofits/conversions, the guarantee is 10-years maximum or twice the life of the previous bearing—whichever is less.
Required information: Measurement data of housing, shaft, machined bearing and installed bearing bore with temperatures of all measurements; installed clearance as measured with date and copy of bearing sizing design calculations.

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