1.Product name: Thrust ball bearing 2.Type: 51000, 52000, 53000, 53000U, 54000, 54000U Series 3. Partial Specification of 51000 Series: Designation, Diameter/Outer Diameter/Width(mm) 51101, 12, 26, 9 51201, 12, 28, 11 51102, 15, 28, 9 51202, 15, 32, 12 51103, 17, 30, 9 4.Package: according to the customer¡¯s requirements, general the packages is box. 5.Usage: Mainly used for crane hooks, vertical pumps, vertical centrifuge, jack, low-speed reducer and so on. 6.Features: Thrust ball bearing is one kind of thrust bearing that the rolling body is a ball. Using the design that can withstand of the trust load when high-speed revolve, it is constitute with a ball rolling groove and washer-shaped rings. 7.Payment: T/T or L/C 8.Delivery date: according to the quantity.