Busch Ball Bearing, Double Part# 473000121 – vacstellar

the Double Ball Bearing is a vital investment. Using the official Busch Part #473000121 guarantees you get a component engineered to exact factory specifications.

It fits perfectly and performs exactly as the original. Keeping one on hand for scheduled maintenance is the best way to ensure your SV1100C pump delivers reliable power for years to come.

Deep inside your Busch Seco SV1100C vacuum pump, one component works tirelessly to keep everything spinning perfectly. That component is the Double Ball Bearing.

Think of it as a super-strong, ultra-smooth support for the pump’s main rotating shaft. Its job is to allow the shaft to spin freely while holding it firmly in place. This is crucial for the pump to build strong, steady vacuum power.