Two pillow block ball bearings support the fan shaft. Each bearing is equipped with a lubrication fitting and a slinger/locking collar to keep out moisture. Extended lubrication lines are available as an option.Induced Draft BearingsCooling Tower Duty pillow blockcastings for extended lifeExclusive BAC slinger/locking collarkeeps water off the bearing sealsComplete installation kit includesall hardware, shims, and instructionsForced Draft (ball and sleeve) BearingsRated for an average life of200,000 operating hoursSplit-cartridge sleeve designbearings are available for easy replacement