this pivot plate when driving and braking. Longwei turntables, which are based on experience gained from decade of service and subjected to continuous quality controls, assume the loads and make it possible for the front axis to swivel. Should you have any questions or require any information, our engineering team is always at your disposal.
The double row ball slewing bearing has two row steel balls for structure, it has bigger load capacity comparing to single row type slewing bearing and better safety factor, and it could bear axial load, radial load and tilting moment at the same time. Double row ball slewing ring has three seat rings, the steel ball and the spacing block can be directly arranged into the upper and lower races, two rows of upper and lower steel balls with differently diameter are fitted according to the stress condition. Double row different ball slewing bearing ring’s axial and radial size are relatively large and solid in structure, so it is usually used in diameter tower cranes, truck mounted cranes etc.
Double row ball slewing bearing ring is mainly made of 50Mn, 42CrMo, C45.
The two row ball slewing ring has been widely used in many applications:
1. Fire truck
2. Pump truck
3. Some bigger tower cranes
4. Truck mounted crane
![double-row-different-diameter-ball-structural-parameters-and-bearing-curves-02-series-020](https://www.islewingbearing.com/wp-content/uploads/2023/06/double-row-different-diameter-ball-structural-parameters-and-bearing-curves-02-series-020.png)
Note:
- n1 is No. of lube holes, the user can specify the lube hole position.
- n-φ can be changed to threading holes, hole diameter M, thread depth 2M.
- There are standard products in the catalog, and the inner and outer diameters are random tolerances. If there is a locating requirement for slewing bearing, please indicate the site and tolerance.
- It is standard type of our products, if you need more please contact with engineer.
Double row contact ball slewing bearing has three rings, balls and spacer blocks can be arranged in the upper and lower rings directly, Install two rows different diameters balls according to the stress conditions.
![transmission-for-slewing-bearing-with-pinion-with-motor](https://www.islewingbearing.com/wp-content/uploads/2023/07/transmission-for-slewing-bearing-with-pinion-with-motor_小齿轮-动力马达.jpg)
![double-row-ball-slewing-bearing](https://www.islewingbearing.com/wp-content/uploads/2023/07/double-row-ball-slewing-bearing.png)
ongwe Transmission slewing bearing team is committed to keep the spirit of continuous improvement and focus our strategy of strict quality control standards, quick response, prompt delivery and low price.We look forward to working on all of our customers’ growing demands. Our ability to optimize the bearing design for your specific needs is unparalleled and we will assist you throughout the design, manufacturing and implementation process.
Products type | 1.single – row four – point contact ball |
Special services | 1.slewing bearing design |
Business type | manufacturer,trading company |
Advantages | 1.ISO 9001:2008 certificate,12 years experience2.High qualified material,low MOQ,excellent quality,competitive prices, |
Material | 50Mn/42CrMo or as your requirements |
Package | 1.First lubricated, Second circled with plastic film,kraft paper,blue belt,then packaged inwooden case,last gathered in Wooden pallet.2 According to your requirements
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Delivery time | 1.For general product , our delivery time need only 5 days is enough (goods in stock).2.If you have special technical requirements or need additional processing,we first rder need only 45 ys, if that is roller continuous order, our delivery time only need 35 ys.
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Application fields | Mine machine, port hoisting machine, port oil transfer equipment onshore and offshorecrane,excavator,concrete machine,paper machine, plastic and rubber machine, weavemachine, steel plant, electronic power plant, wind power generator, other construction and industry machines or equipment.
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We supplied high quality product & good service to every end user and valued distributors all over the world. We’ve enjoyed a very good reputation up to now.
Our manufacturing standard is according to machinery standard JB/T2300-2011, we also has been found the efficient Quality Management Systems(QMS) of ISO 9001:2015 and GB/T19001-2008. We devote ourselves to the R &D of customized slewing bearing with high precision,special purpose and requirements and has acquired certificate of China Classification Society .
If you have any questions, pls do not hesitate to contact us.
![product-picture](https://www.islewingbearing.com/wp-content/uploads/2023/07/product-picture-16.jpg)
![Longwei-product-quantity-inspection](https://www.islewingbearing.com/wp-content/uploads/2023/07/Longwei-product-quantity-inspection_proc-1024x847.jpg)
FAQ
1: How to order?
Please refer to the help under the single payment.
2.What are the shipping methods?
Ocean shipment to the port close to your city; Air shipment to the airport close to your company; Door to door service by international express.
3.When can I get the price?
We usually quote within 12 hours after we get your inquiry. If urgent to get the price, please call us or tell us by email , we will regard your inquiry priority.
4.You are a trader or a manufacturer?
We are an industry and trade integration business, our factory located on Xuzhou City.
5.How about the payment terms?
We usually accept T/T or L/Cat sight . other terms also could be negotiated.
6.What is your minimum order?
It depends on what you are buying. Normally, our minimum order is 1pcs.
7.What is your delivery time?
If there are any parts in stock , our delivery time is only 3-7 days. If our standard model,the delivery time is around 25 days,if non-standard model,the delivery time is
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