Loran, The nominal diameter of an Orthophonic bearing is .0625". I don't know the tolerance that would have been allowed, but I'd estimate that it would be +/- .0005". Walt -----Original Message----- From: phono-l-bounces at oldcrank.org [mailto:phono-l-bounces at oldcrank.org] On Behalf Of Loran Hughes Sent: Wednesday, January 10, 2007 12:48 AM To: Antique Phonograph List Subject: [Phono-L] Orthophonic Reproducer Bearings I can't recall off the cuff... can anyone tell me the diameter of the bearings for an Orthophonic reproducer? Regards, Loran _______________________________________________ Phono-L mailing list http://phono-l.oldcrank.org -- No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.1.410 / Virus Database: 268.16.7/620 - Release Date: 1/8/2007