... 4)OEM: Accepted 5)Delivery: 20 days Feathers & Specification of SKF Bearings: Brand NameSKFSeries 1:22200, 22300, 23000, 23100, 23200, 23900, ... Series 3:Single Row, Double Rows, Four Rows Taper Roller Bearings ... Series 4:thrust spherical/taper/cylindrical roller bearingsSeries 5: 60000 ... , crane;excavator, concrete machine,paper machine, weave machine, steel and electronic plants etc. machines ...