Xuzhou D&R Engineering Machinery Co., Ltd.

Division I swing support with rough slabs are for conditioning treatment, hardness up to HB220-280, the strength is much higher than the national standard GB/T 3077 and GB/T 699 provisions, the raceway using special medium frequency induction quenching machine tool, hardness up to HRC55-62, depth greater than 5mm, the internal steel ball are through the steel ball crushing test, Guaranteed core carrying. The company's main production of swing support is compact, light weight, can withstand both axial force, radial force and tipping torque, high accuracy, long service life and so on, the main types are: single volleyball (01 series, HS series, Q series), double volleyball (02 series), three rows of roller-skating (13 series), Single row cross roller type (11 series), double-column ball type (07 series) and light series swing support, can be based on the national machinery industry standard JB/ T2300---2011 to provide a series of products, product models covering 150mm---4500mm a variety of standard and non-standard specifications.