Main ProductsCarefully manufactured, Global Services

Slewing bearings

Slewing bearings

Slewing bearings can carry heavier axial load radial loads titling moment and combined loads. Slewing bearing is a kind of large-size bearing with spe...

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Slewing drive

Slewing drive

Slewing drives are powered with hourglass worm technology for maximum gear torque and the smoothest rotation. Typical slew drive applications include...

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Excavator slewing bearing

Excavator slewing bearing

We have many years experience in manufacturing slewing bearings for excavators and cranes such as the Hitachi, Caterpillar, Komatsu, Kato, Sumitomo br...

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Wind turbine bearings

Wind turbine bearings

Wind Turbines Slewing ring bearings can be classified into three types: the yaw bearing, pitch or blade bearing, driving system bearing (spindle beari...

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Crossed roller bearing

Crossed roller bearing

Cross roller bearing,because of its vertical arrangement of cylindrical roller with a 90°V groove through the separate spacers in the deep groove roll...

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Rotary table bearing

Rotary table bearing

YRT bearings (rotary table bearings) are axial and radial combined cylindrical roller bearings, including two thrust needle roller bearings and a radi...

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Rolling mill bearings

Rolling mill bearings

Rolling bearing can be classified by the tolerance and rotating accuracy grade Radial bearings (except tapered roller bearings) tolerance class is div...

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Split roller bearing

Split roller bearing

Split Bearing is on the basis of the whole bearing via spcial designing and processing.It’s features as followed,small working resistance, operate ste...

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Slewing bearings Slewing drive Excavator slewing bearing Wind turbine bearings Crossed roller bearing Rotary table bearing Rolling mill bearings Split roller bearing Spherical roller bearings

Our AdvantagesProduct has 0.01% of the defects, then it is waste totally.

Quality Material

We use the 42CrMo,50Mn,GCr15,G20Cr2Ni4A and other raw materials of bearing are generally selected from DAYE STEEL,BAOSTEEL or XINING STEEL and other well-known companies; cage is selected from TLD brand; steel ball and roller all use LYC or Imported brands.

Manufacturing

We produced the I.D.=150-9000mm series rolling bearings.The advanced large diameter vertical grinding machine can satisfy the demands of precision products processing,and production equipment can realize the basic numerical control.Depending on the IS09001 quality system...

Our Service

Because we have strict quality control process, each bearing has inspection records of each process, quality are traceable. We are committed to: 48 hours to properly handle the domestic and foreign bearing quality complaints. On behalf of the interests of the clients.

Industry SolutionsRotating Inseparable Bearing

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About UsIntegrity, faith, cooperation and win-win

Luoyang Longda Bearing Co., ltd was established in 1999. Located in Luoyang – one of China bearing production base, we are specialized in designing, developing, manufacturing and selling large-size, extra-large size bearings. We have experienced designers and technicians. All of the drawings are designed by using the computer software to meet customer’s needs in very short time. We mainly produce slewing bearings, rolling mill bearings, extra-large precision bearings (P4) ranging from inside diameter 100mm to 6000mm. LDB ® products are widely used for offshore machinery ( portal crane), ship crane, wind power, solar power, petroleum machinery, opencast mining machinery(stacker reclaimers), crusher, ball mill, steel plant mill and ladle turret, tunnel boring machine (shield machine), excavator, tower crane and military field. Till now, the products have been exported to these coutries and territories, such as, Czech Republic, UK, Spain, Italy, Norway, France, Germany, Netherland, Thailand, India, USA, Canada, Brasil, Israel, Iran&Turkey. Our company passed ISO9001:2000 certification, and process quality control has been gradually improved. We strictly fulfill the analysis report of raw maiterials, process control from incoming of raw materials to the output of finished products and inspection records. We always insist on the purpose of “manufacture elaborately, serve the world”, and sincerely provide the high quality products and full service to our customers. Looking forward to cooperating with you and pursuing a wonderful future together! | Read More →

Customer ServiceFast, intimate, no-not

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