HOTPOINT DRUM BEARING Home › Forums › Public Support Forums › Help And Support › Washing Machine Help Forum › HOTPOINT DRUM BEARING This topic has 1 reply, 2 voices, and was last updated 12 years, 2 months ago by Rob L. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts February 25, 2014 at 7:58 pm #79719 Rob LParticipant Hi can anybody help what does the the letter (z) stand for after the numbers thats written on a washing machine drum bearing as the bearing i have just bought has two z z written on it after the number and my old one has only one z Rob February 25, 2014 at 8:44 pm #410317 iadomModerator Re: HOTPOINT DRUM BEARING http://www.gizmology.net/bearings.htm ZZ double shielded. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In