"Lubrication of Cutting Blade bearing?"に関する回答Seems a bit like overkill. If it’s gone far enough to need help, there is probably enough clearance between the bearing surfaces/seal to gradually oozle in a bit of food-grade caster oil (applying small amounts and hand rotating/pushing pulling the blade repeatedly) to get the bearing surfaces slippery. Even the tiny bit of play I felt in mine resolved with this exercise. It remains to be seen how long this will last, but clearly the fallback position is replacement.