Luoyang Longda Bearing Co., Ltd.
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slewing rings for wind power

Slewing Bearing
china slewing bearing:
slewing bearing
slewing rings for wind power
Detailed Description

slewing bearings for WTGS
Key bearings for wind turbine generation system includes as below:
Yaw bearing;
Pitch bearing;
Bearings for transmission systems (mainshafts and gearboxes)
Bearings for other systems (dynamo bearings and gear bearings)
Yaw bearings: They are installed in wind turbine generation nacelle chassis and used for the exact, in-time adjustment of wind angle of orientation mechanism and the conduction of lightening to the ground. They support the whole weights (radial load, axial load and tilting moment) of main transmission system of orientation mechanism.
Pitch bearings: They are located in the pitch system assembly of the blade and and used for the adjustment of wind direction of the blade. They mainly support radial load, axial load and tilting moment. They are characterized by good sealing, high reliability, flexible rotation, good stationarity and surface treament with no less than 20-years life. They mainly include 4 point contact ball slewing bearing or double-row ball slewing bearings.
Mainshaft bearings: They are located in the mainshaft of blade and support high working load, and are able to compensate the deformation of mainshaft. So, they should have good aligning performance, higher load capacity and longer service life. Generally, they are optimized-design shperical roller bearings.
LDB bearings for windmills have the advantage of long life and being corrosion resistant and can bear radial load, axial load and tilting moment. For those bearings used for subway and light rail such as single-row cylindrical roller bearings, tapered roller bearings and insolate deep groove ball bearings, the maximum speed can achieve 100kms/hour and the life is 700,000 kms. For bearings for vehicles, shafts and gearboxs, they are characterized by low friction, low vibration, high cleanlinss, high precision. With the development of light weight, they can meet the speed of 160kms/hour with the maximum speed 240kms/hour.

We supply with all kinds of Bearings for windwills!We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise: provide you the most reasonable prices,high quality and the best services.We are sincerely looking for your cooperation.

Company information:
    Luoyang Longda Bearing Co., Ltd. Was established in 1999 . We is an exporter of China (Mainland) Auto Bearing products.    With independent export rights, our products have been exported to North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe Central America Northern Europe Southern Europe, etc. We sell high quality reactive dyes and cationic dyes at competitive prices!    We take this opportunity to invite you to become our partner!Please visit our website at or contact us for more information !
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Send Inquiry to this Supplier
Luoyang Longda Bearing Co., Ltd.
Ms. Elva Sai
Tuqiaogou Industrial Park, Hi-Tech zone, Luoyang, Henan province, China 471003
86 138 3880 4464

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