Bearing Assembly, Compatible with Brand Bell and Gossett, Compatible with Grainger Part Number 422W56, 422W57, 422W58, 422W59, 422W60, 422W61, 422W62, 422W63, 422W64, 422W65, 422W66, 422W67, 422W68, 422W69, 422W70, 422W71, 422W72