1.13 year experience, 2.Certificate ISO9001.2008, 3.Material: Bearing steel, ... -quality material and advanced technology, 1 The range of products: WB double-row ball water pump spindle bearings WR simple-row ... ball and simple roller water pump spindle bearings WB-C double-row ball water pump spindle(angular contact) WR ... bearings: Widely used in auto, machine,etc Water pump bearing WB series