NSK ,KOYO,FAG brand Stadard bearing 
We can supply made to order bearing maximum dimeter 4.00 m.
Steel ball bearing ,Ceramic ball bearing use for pricesion machine.
20TAC47C
50BNR10THYNDULP4Y
35BNR10THYNDULP4*C01
45BNR10HTYNDUELP4Y*
Price depend on size model,kindly contact us