Standard L Series Single Row Gear Ball Slewing Bearing Ring for Crane Excavator

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Product Description

Single row ball slewing ring （Standard Series L）

Slewing bearing safety factor fs

Working type	Working characteristics	Machine example	Safety factor fs
Light duty	Not often fully loaded, stable rotation with little impact	Stacker-reclaimers, truck cranes, non-port wheeled cranes	1.00~1.15
middle duty	Not often fully loaded, fast rotation, impact	Tower crane, marine crane, crawler crane	1.15~1.30
heavy duty	Often fully loaded, fast rotation and large impact	Grab crane, port crane, single bucket excavator, container crane	1.30~1.45
extremely heavy duty	Full load, heavy impact or harsh working conditions	Bucket wheel excavators, tunnel boring machines, metallurgical cranes, offshore platform cranes	1.45~1.70

Basic data of standard Series L

Slewing Bearing

Slewing bearing(slewing ring) is a bearing that can bear a large axial load and radial and overturning torque. Slewing bearings are generally accompanied by installing holes, inner gear, outdoor gear, lubricating holes, and sealing devices, which make the mainframe structure compact in design, guide reliable, and easy to maintain.

Slewing bearings are combination structures including non-gear, outdoor gear, four-point contact ball slewing bearings, double row ball slewing bearings, cross roller slewing bearings, and three rows roller slewing bearings on. Four-point contact ball slewing bearings have higher static load capacity, while cross roller slewing bearings have higher dynamic load capacity. Applications: Slewing bearings are widely used in construction machinery, concrete machinery, feeding machinery, hoisting machinery, ground processing machinery, light industrial machinery, ship cranes, port equipment, new energy equipment, metallurgical equipment, playground equipment, airport equipment, Robots, medical equipment, green facilities, parking equipment, etc.

Produce Name	Slewing Bearing for Excavator and Crane
Material	50Mn/42CrMo/C45
Gear Type	Internal Gear,External Gear And No Gear
Cage Material	Nylon/ steel /copper
Rollng elements	Steel ball / Cylinder Roller
Features	Durable, Simple structure, low cost, Various sizes, and designs.
Mounting hole	Through hole/Tapped hole
Outer diameter	240-8000mm
Bore size	200-5000mm
Warranty	1 year
Payment Terms	L/C,T/T,Western Union
Serivce	OEM ODM Customer Service
Application	Excavators, Cranes, Construction Machinery,Industrial Machinery, Automated machinery

We are a national high-tech enterprise integrating the design, development and manufacturing of slewing bearings, slewing reducers and planetary reducers. The company is equipped with advanced domestic and foreign CNC production and testing lines, with an annual output of 200,000 sets of high-strength slewing bearings, 200,000 sets of high-precision slewing reducers and 20,000 sets of precision planetary reducers. They are widely used in solar power generation, wind power generation and various engineering machinery markets, and are sold well in more than 20 provinces and cities in China, and exported to more than 20 countries and regions including Europe and the United States. The company has established industry-leading scientific research institutions and teams led by high-end talents, and has undertaken or participated in the completion of the National Torch Plan, the National Photovoltaic Power Generation Application Leader Base, and many provincial and municipal key scientific research and construction projects. It has strong scientific research capabilities as a provincially recognized "Enterprise Technology Center" and has established an exclusive provincial "Worm Drive Engineering Technology Research Center". The company has more than 10 high-tech products and more than 30 independent invention patents. Its products have successively won the titles of provincial and municipal famous brands and Anhui Province famous trademarks. The company has passed the EU CE certification and ISO9001 quality management system, ISO10012 measurement management system, ISO14001 environmental management system and ISO45001 occupational health and safety management system certification.

Q: Are you trading company or manufacturer ? A: Our group consists in 3 factories and 2 abroad sales corporations. Q: Do you provide samples ? is it free or extra ? A: Yes, we could offer the sample for free charge but do not pay the cost of freight. Q: How long is your delivery time ? What is your terms of payment ? A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shippment. Q: What is the exact MOQ or price for your product ? A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation. If you have another question, please feel free to contact us.

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