Three-row roller slewing bearings have three seat rings, with upper and lower and radial raceways separated so that the load of each row of rollers can be determined exactly. Can carry a variety of load at the same time, it is four kind of product in one of the biggest bearing capacity, axial and radial size is larger, firm structure, especially suitable for the requirements of large diameter heavy machinery, such as bucket wheel excavators, wheeled cranes, deck cranes, port cranes, steel working platform, large tonnage crane machinery, etc.This product is a large diameter heavy machinery slewing bearings and a large tonnage crane machinery slewing bearing.

MAANSHAN JINGWEI SLEWING RING Co,Ltd. is specializing in standard and non-standard slewing bearing Over the years, we supplied high quality product & good service to every end user and valued distributars all over the world. We've enjoyed a very good reputation up to now.

It can withstand various loads at the same time and is the most tolerant of the four products. The shaft and radial size are large and the structure is firm. It is especially suitable for heavy-duty machines with larger diameters, such as bucket wheel excavators, wheeled Cranes, marine cranes, port cranes, steel run tables and large tonnage truck cranes.This product is a most tolerant firm structure slewing bearings.

The material of slewing bearing produced in our company generally is high alloy-structural steel,such as 50 Mn,42CrMo,stainless steel and other special purpose materials.Rolling ring workblank is maded by rolling of forging,and treated with a normalizing or hardening and tempering,the mechanical properties of the material can be fully guaranteed.So this product is a high alloy-structural steel slewing bearing.

MA ANSHAN JING WEI SLEWING RING CO.,LTD. is a professional slew drive manufacturer,we have decades of truck crane slewing bearings production experience and provide customized services. We will become your trusted partner,come and join us.