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.Induced Draft BearingsCooling Tower Duty pillow block castings for extended lifeExclusive BAC slinger/locking collar keeps water off the bearing sealsComplete installation kit includes all hardware, shims, and instructionsForced Draft (ball and sleeve) BearingsRated for an average life of 200,000 operating hoursSplit-cartridge sleeve design bearings are available for easy replacement