On Wed, 17 Feb 2021 22:18:02 +0000, ian
wrote:

lathe runs for about 30 mins then starts to slow down within 30 seconds it
stops as though a brake has been put on , leave it for 20 mins then its ok
again until the next 30 mins very frustrating
The spindle bearing (tapered bushing) hasn't been properly lubricated
/ maintained and it is hot seizing.