There’s a characteristic sound of bearings seizing up, and I first came across this with car wheel-bearings – they screech for weeks before going, but car sounds are hard to localise. Feeling the massive heft to the right in the fast lane of the A12 as the driver’s side wheel-bearing collapses and jams means I know that this sound means a bearing on the way out, even if here it is only on a neighbour’s Flymo 🙂

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