Or this one, with magnetic levitation. I have purchased from this seller before with good results. He has a number of turntable parts, some odd, some interesting.
http://www.ebay.com/itm/Maglev-bearing-for-turntable-/180855654345?pt=LH_DefaultDomain_0&hash=item2a1bd647c
http://www.ebay.com/itm/Maglev-bearing-for-turntable-/180855654345?pt=LH_DefaultDomain_0&hash=item2a1bd647c