Double-row ball slewing ring with inner gear is economy product with big axial and radial dimensions and firm structure, double-row ball slewing ring is a preferred product for heavy load and limited radial structure machines, such as tower cranes and truck cranes.
There are three types of normal double-row ball slewing bearing, slewing bearing with external gear, internal gear and without gear.
The warranty will be 1 year. Free technical support would be provided by our engineer. We have a mature and successful product series and mainly exported to Europe, America, Japan, South Korea, Singapore, India, Malaysia, Indonesia, etc. In addition, we're the strategic partner of many famous OEMs, such as HITACHI, AICHI, DOOSAN, BAUER, XCMG, LIUGONG and etc.