Bell & Gossett W85333 185333LF Large Inline Circulating Pump Bearing Assembly

This is a new Bell & Gossett W85333 (also cataloged as 185333LF) Seal Bearing Assembly designated "Large BF," designed for use with Bell & Gossett large frame in-line centrifugal circulating pumps in HVAC hydronic heating and cooling systems. The assembly is constructed with a cast iron body finished in B&G's signature red epoxy coating and incorporates an integrated mechanical seal assembly with a spring-loaded stainless steel seat, visible in the photos, along with a cork/composition gasket for the flange interface. The unit ships with a "This Side Up" orientation label per B&G protocol, confirming new factory condition; the box label confirms part number W85333, date code F62, weight of 23.7 lbs, and country of origin assembly in Morton Grove, IL (a Xylem brand facility). This bearing assembly is a direct OEM replacement for Bell & Gossett large BF series in-line pump models and is compatible with the corresponding Bell & Gossett pump volutes using matched bolt-circle flanges on both the suction and discharge faces.

Product Specifications