Ceramic bearings Material ; inner and outer rings, balls zirconium oxide ceramic (zro2), retainers ptfe (standard) Enough in-process inventory lead time : about 10days Xno in-process inventory lead time : about 40days Please confirm the quantity of each product when you place the order. We can produce any other type of bearings besides listed above. 60, 62series Bearing no. Stock condition 6000 o 6200 o 6001 o 6201 o 6002 o 6202 o 6003 o 6203 o 6004 o 6204 o 6005 o 6205 o 6006 x 6206 x 6007 x 6207 x 6008 o 6208 x 6009 o 6209 x Miniature 68, 69series Bearing no. Stock condition 684 o 694 o 685 o 695 x 686 o 696 o 687 x 697 o 688 o 698 o Miniature 60, 62series Bearing no. Stock condition 603 o 623 o 604 x 624 o 605 o 625 o 606 o 626 o 607 o 627 o 608 o 628 x