Established in 1998, ZZ Bearing (Shanghai) Co., Ltd. (ZZ) is a professional manufacturer of slewing bearings and we can design and manufacture single-row ball slewing ring bearing, double-row ball slewing ring bearing, three-row roller slewing bearing, ball-roller combination slewing ring, crossed roller bearing, crossed tapered roller bearing, slew drives and custom bearings.
By virtue of expertise team, advanced manufacturing technologies and strict quality management system, ZZ takes the lead in the R&D of slewing bearings and custom bearings, which are designed with reasonable construction, light weight, good load carrying capacity and high versatility. The bearings’ diameters range from 200 to 15000mm and the accuracy covers P0, P6 and P5 class. Our slewing bearings, slew drives, precision bearings and custom bearingsare widely used in construction, engineering, mining, marine, chemical, military, wind turbine, medical equipment, and many other industries.
In 2009, ZZ passed the ISO 9001-2015 Quality Management System Certification and actively explored overseas markets in that year, and exported our slewing ring bearings to Europe, America, Asia and many other countries and regions. In 2015, we passed CCS Certification and ABS Certification. Now, ZZ can manufacture CCS, ABS, BV, GL and other certified products, We devote ourselves to the R &D of customized slewing bearing with high precision,special purpose and requirements.