Single row cross roller slewing-bearing-for- BYD electric-car-charging

Chinese BYD  and a number of new energy vehicle smart charging stations use high-precision slewing bearings designed and produced by Longwei Corporation as the core components of the battery driving system.

Chinese BYD  and a number of new energy vehicle smart charging stations use high-precision slewing bearings designed and produced by Longwei Corporation as the core components of the battery driving system. As a key supplier of new energy vehicles, Longwei transmission  slewing bearings implement strict quality control, fast after-sales service and on time delivery to ensure thousands of smart charging stations working stable in China and parts of the world. In order to ensure the overall structure of the substation is more compact, this model is designed to be lighter and thinner than the standard slewing ring; We use roller structure inside to ensure that the clearance and rotation accuracy of the slewing ring meet the user’s needs;
products discription
Model Number:111.25.630Brand namelongwei
Production ExperienceSince 2004Applicable Industries:Insdustry robot
Rolling-Element NumberSingle-RowGear Options:with External gear
Material50Mn/42CrMo/ CustomizedSeals Type:as requirement
Bearing Type:Single Row Ball slewing bearingCERTIFICATE:ISO9001:2008/SGS
Bore Diameter528 mmOutside Diameter732mm
Roller TypeDeep Groove RacewayRACEWAY hardness:55HRC -62HRC
Products Namesingle row Cross roller external gear slewing bearingService:OEM Service.Design Service
Net Weight :100kgsMaterial of Rolling element:GCR15
Warranty Period1 yearTestingIn house or third party
OriginCHINASizeStandard OR Customized
Height75MMH.S. Code848210900
Transport Package1. Industrial Neutral Packing 2. Package as your requirements.3. Small size Bearings:Plastic vacuum packaging bag+Paper Box/Neutral Carton 4.Large size Bearings:Plastic film+pergamyn paper+Roll tape+Wooden BoxPrecisionP0 P6 P5 P4 P2
our main products

In order to meet the high temperature and severe cold environment in different area, the internal parts and grease of this type of slewing ring adopt high temperature and extreme cold resistance standards to ensure that our products can work stable under special climates;

Part of the slewing bearings use anti-corrosion coating process for surface treatment to ensure our products still have good performance in ocean transportation and in wet coastal areas



The single-row cross-roller slewing ring is also composed of two inner and outer rings, with compact structure, high manufacturing precision, light weight and small assembly clearance. The inner ring and the outer ring are connected by rollers, the rollers are arranged in a 1:1 cross, which can bear axial force, tilting moment and larger radial force at the same time. The structure of the cross roller bearing itself is a line contact, which can also be understood as a surface contact, and the line surface contact of the crossed round roller bearing is front, back and left, ensuring the stability of the entire layout.

About Longwei

Provide you with customized industry solutions

longwei factory

More than ten years of production experience, strict quality control can be the guarantee of the best solution in the industry.
China’s leading supplier of slewing bearings, its products have passed ISO 9001 and CAPE certification, and has a number of product patents.

The flexibility of our dialogue and approach with our clients is combined with responsive design and development innovation to ensure exceptional delivery.


Do you have any questions about our slewing bearing? Maybe you can find the answer below. If the answer below does not solve your problem, please contact us and our engineer will answer it for you.

1. Where is your slewing bearing manufactured?
Our slewing bearings are all manufactured in China. We not only have the ability to design and produce slewing bearings but the quality can also be guaranteed. At the same time, our slewing-bearing price is more favorable.

2. I don’t know which slewing bearing to use, can you choose for me?
Yes, of course, Each model has a parameter list on the website. You can choose the suitable slewing bearing according to these parameter lists. If you don’t know how to choose, you can get in touch with us and our engineers will work with you to choose the suitable product. We can also design a new slewing bearing solution for you according to your equipment.

3. Can I get your product catalog?
You can get our product catalog in the download or contact us, we will send the product catalog to you by email or other ways.

4. Can you customize products?
Yes, we can. Our engineers have very rich experience in slewing bearing design. On the customized slewing bearing page, you can see some special customized products designed by our engineers. These design solutions meet the special needs of many customers. Our engineers can also work with you to design a new slewing bearing.

5. Can you provide accessories?
Yes, we can provide matching spare parts such as motors, hydraulic motors, and encoders that are compatible with slewing bearings.

6. Can you provide a 3D model?
Yes. All our slewing bearings have 3D models, you can contact us to get them. At the same time, we can also provide CAD files and PDF files.

7. How long is your slewing bearing warranty period?
Our slewing bearing warranty time is 12 months. When you install, use, and store the slewing bearing, please refer to the slewing bearing instruction manual.

8. Can you choose the color of your slewing bearing?
Yes. Our slewing bearing is available in many colors. If you have special requirements, please tell our sales engineers, we are happy to provide services for you.


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