LYJW is located in Yiyang Industry Gathering Zone,Luoyang City, China  It is a professional manufacturer of all type of slewing bearings ,heavy and large slewing bearings, special used bearings and non-standard bearings, integrating research, manufacture and sale together.


  LYJW relies on the largest bearing production base in China-Luoyang City.We possess potential technical ability.We have advanced technical equipments,perfect inspection equipments,and strong technical strength. Our advanced and experienced professional staff R&D new products constantly in order to meet different demands of customers .Meanwhile,we have a serious professional R&D team and attract a numbers of domestic and foreign well-known customers.


  We have been certified by quality management system in accordance with ISO9001:2000,and also have been authorized to operate import and export.We have many years history in manufacturing slewing bearing and our products are exported to USA,England,France and some other western countries.




  Competitive products in our company are Four-Point Contact Ball Slewing Bearings, Double-Row Angular Contact Ball Slewing Bearings, the Crossed Cylindrical Roller Slewing Bearings, and Three-Row Roller Slewing Bearing. We can offer such series of slewing bearings with diameters from 500mm to 5,500mm. The technical indexes of products in our company are all qualified with national standard.


  Applied Fields


  Our bearings are extensively applied in such industries as metallurgy, vessel, oil, chemistry, mine, coal, hydroelectric power, port machinery, heavy machinery and aerospace or some other fields.


  Most of our products are export to overseas markets and our customers are satisfied with our bearings up to date. Please contact us if you want to get more detailed information about our products and company. We will offer the best service to you.


  We are looking forward to your enquiry and to cooperating with you successfully with "win-win" concept.




  Our main production facilities are: 4m, 2.5m, 1.6m large vertical lathe, 5m large boring-milling machine, 3.5m universal floor-type griding machine, 80mm drill press or some other advanced equipmenst. We also have advanced measuring and inspecting facilities that can test the bearings which have different types, precision grade and special requiremenst. We inspected the products according to the current national standards strictly to make multiple technology indicators of bearings reach or exceed the national standards.We can supply the products with high precision, efficiency and high quality.


  • Other military applications

    Other military applications

    highly specific slewing rings in material matching light weight combine with high capacity for Military application. Our expertise and FEM calculation allows us to propose the most innovative solution....

    More info

  • Precision machinery

    Precision machinery

    Thanks to raceway finish by grinding, systematic matching of the rings and preload, we offer the best reliability and precision, proven by extensive in-house testing, for the applications all along the required lifetime....

    More info

  •  radar application

    radar application

    We manufacture steel, aluminium bearings for the most demanding & prestigious customers in the world, matching the highest technical requirement....

    More info

  • shipping application

    shipping application

    thanks to its engineering and R&D department, lyjw is able to provide tailor made solutions being used on wide range of Marine application.Rollix Slewing Rings comply with all major ‘classification societies’ requirements like DNV, BV....

    More info

  • Wind Power Trailer

    Wind Power Trailer

    This kind of low loaders is specially designed for loading the wind turbine in the rough roads, such as in the mountain roads. Each one of the specially designed low loaders needs one piece of...

    More info

  • Rail vehicle

    Rail vehicle

    The lyjw slewing rings transport millions of people all around the world with train, trams and metro. ...

    More info

  • Forestry vehicles

    Forestry vehicles

    Forest Machinery requires strong components, the most famous worldwide manufacturers choose our slewing bearing for our optimised design and the capacity of our slewing rings to work in a tough environment. Our finishing by grinding brings a valid pre-loading which is very important for the life time of the bearing and the comfort of the forest machine’s drivers. Our slewing rings accept the shocks and the high rotating speed of the de-barkers as well as the temperature of the coldest forests....

    More info

  • handing application

    handing application

    Because of the light structure of the crane, the lwjw bearing is an essential and strategic part. Our design matches perfectly the life time required by the customer. The quality and the precision of our manufacturing is the key to ensure good running after many cranes dismantling. In this application the lyjw slewing bearing helps construct buildings everyday all around the world with total security....

    More info

  • crane


    Our design matches perfectly the life time required by the customer. The quality and the precision of our manufacturing is the key to ensure good running after many cranes dismantling. In this application the lyjw slewing bearing helps construct buildings everyday all around the world with total security....

    More info

  • metallurgical equipment

    metallurgical equipment

    The assembly is much more compact and its hollow centre permits the installation of driving mechanisms and the passage of various control devices; the superstructures of the rotating part are more easily accessible. The small difference in height between the geared ring and un-geared ring reduces the overhang of the driving pinion....

    More info

  • water treatment equipment

    water treatment equipment

    Over decade years we have optimized every data of the Slewing Ring to match customer requirement lifetime & reliability being a major issue of those applications. Specific finish process of the raceways along with high accuracy of the preloads has established lyjw  as a Expert on this application....

    More info

  • Industrial robot

    Industrial robot

    Robots are used in various industries to position work pieces very quickly and accurately. Some robots, not limited to movements, have multi-joint assemblies letting them simulate the movements of human arms. These joint sections must have a high swing accuracy and high rigidity ensuring that sudden stops do not put them off-track, lyjw unique products are powerful and small enough to meet those demands....

    More info

  • mining


    Our logistic department supplies our product everywhere in the world; we offer complete logistic solutions for the largest slewing rings wherever we have to deliver....

    More info

  • shield tunnel machine

    shield tunnel machine

    Providing tunnel boring machine manufacturers with rugged, precision slewing ring bearings is a challenge nearly as big as the bearings themselves. Our experienced engineers specialize in custom designs for hard-rock or soft-rock machines, from main cutterheads and segment erectors to screw conveyors. All designs combine performance and technical efficiency with cost-effectiveness, and are proven with static and dynamic evaluation....

    More info

  • Roller


    Manufacturers of road rollers and compactors aim for high-speed, high-quality compacting, which requires high vibration. By meeting these specific demands, Thanks to latest technology calculation, design is permanently optimized to follow our customers new developments, in order to offer what the market needs....

    More info


  • 03


    Recently lyjw completed the yaw bearing with outer diameter of 4.1m.this bearing was matched 4MW wind turbine and had independent intellectual property right. with the successful development of this bearing LYJW improved its technological position in wind turbine bearing industry
    + More
  • 03


    On April 13-17 2015, lyjw wonderful appeared at hannover messes 2015.during exhibition. lyjw showed series of bearings which were used on crane, wind energy, Industrial robot, excavator. dozens of customer coming from USA Italy Germany Russia and india visited the booth and
    + More