Ryan W Salem , OR June 25, 2023 Appliance: Whirlpool Washer WTW4850XQ0 Whirlpool Washer Wtw4850xq0: The main lower unit bearing was toast making extremely loud when it was in the spin cycle. How to replace Tub Seal. Took the machine apart, cleaned all parts and reinstalled everything..along with the new tub seal and the gearcase which included the bearing that failed. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours