Armstrong Pumps No. 3 Series Seal Bearing Assembly with Impeller

The Armstrong ball bearing SBA contain an interchangeable module that includes a stainless steel pump shaft and a housing that contains precision crafted front and back end bearings that are permanently lubricated. Safer solution for facility and service personnel. faster on site service and replacement.|S&H #3 Series Maintenance-free Seal Bearing Assembly without Impeller|Universal- fits B&G 3 piece circs|A longer circulator life without maintenance (regular oil lubrication is not required) no more oil pools on floor|Stainless steel face plate, coupler face guard meets or exceeds OSHA standards|The standard for 65 years in hydronics|Repairable, replaceable, environmentally friendly and now maintenance free