What should I check when purchasing meat grinder seals?

Start by matching seal material to the actual operating conditions, then verify shaft diameter, groove dimensions and mounting position, along with temperature limits and resistance to the cleaning chemicals in use. On machines stripped down frequently, repeated reassembly shortens seal life, so stock oil seals and O-rings as first-batch spares and obtain part numbers plus fitting instructions from the builder. A cheap seal that fails can halt the grinder or let wash water reach the drive. Log replacement intervals against washdown frequency and running hours, then use that data to validate seals across bulk orders.