Single row ball slewing ring is as same as four contact point slewing ring. Tongli Slewing Ring Co., Ltd is the best slewing ring manufacture in China. We can provide the slewing ring up to 4000mm.
We can provide the substitutes of Rothe Erde, Rollix, Kaydon, INA, IMO slewing rings. Moreover, we can supply more than 200 types of slewing rings for excavator. We promise our customer: provide us with your load requirements and key specifications, we will do the else!