Inquiry (采购产品): balancing rotor Hi, I have an 8lb aluminum rotor with 6 ceramic magnets installed on the perimeter. It runs on a 17mm shaft with self adjusting bearings at about 5500rpm. I need to have this piece balanced to run at 7000rpm. Please advise. Sincerely Donald Haas **** Hidden Message ***** Donald Haas 72 Hill St Winchendon, MA 01475 USA Company: (Private researcher) Phone: E-mail: brodonh@verizon.net **** Hidden Message ***** brodonh@verizon.net