Control Arm Ball Joint
Your Professional Control Arm Ball Joint Supplier!
Zhejiang Zhongji Changsheng E-commerce Co., Ltd. was established in 2020 and mainly operates a bearing trading platform. The company now covers a full range of bearing and pneumatic component products, with a total of 1.5 million SKUs and a year-round spot inventory value of approximately RMB 20 billion. In 2023, the company's self operated automotive parts business was fully launched, mainly for chassis components such as automotive bearings, ball heads, swing arms, and stabilizer bars, and simultaneously launched a series of pneumatic component products.
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Dongfeng Oscillating Arm Ball HeadThe Dongfeng oscillating arm ball head is a key component in the automotive suspension system, and its quality directly affects the handling stability and operational safety of the vehicle....read more
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Changan Oscillating Arm Ball HeadChangan oscillating arm ball head is a high-quality automotive component, with its standard size and excellent resistance to vibration and bumps making it an indispensable part of automotive...read more
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GEELY Oscillating Arm Ball HeadThe Geely oscillating arm ball head is a type of automotive swing arm connector, and its quality plays a crucial role in the handling stability and operational safety of the vehicle.read more
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BYD Oscillating Arm Ball HeadBYD oscillating arm ball head is a high-quality automotive component, which mainly serves to connect the triangular arm and the axle head, making the vehicle travel smoother. When the vehicle is...read more
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Great Wall Oscillating Arm Ball HeadThe Great Wall oscillating arm ball head is a high-quality component with excellent rotation function, which can make the car smoother during driving, reduce vehicle vibration, and make the...read more
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Chery Oscillating Arm Ball HeadAs a key component of a car, the quality of Chery's oscillating arm ball head has always been highly appreciated by consumers. This ball head not only has multi angle rotation function, but also...read more
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ACURA Oscillating Arm Ball HeadThe quality of the Acura oscillating arm ball head is very good. In order to ensure the quality of the oscillating arm ball head, Acura uses high-quality raw materials in the production process,...read more
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Lexus Oscillating Arm Ball HeadThe Lexus oscillating arm ball head is a high-quality automotive accessory with excellent design, good quality, and strong durability, making it an indispensable and important component in the...read more
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KIA Suspension Ball JointKia is a globally renowned automotive brand, and its automotive components are also highly praised by car owners. Among them, Kia's suspension ball joint is an important component of automotive...read more
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HYUNDAI Suspension Ball JointAs an automotive parts manufacturer, our company has always been committed to improving the performance and safety of vehicles. One of the key components is the suspension ball joint. This is a...read more
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VOLVO Suspension Ball JointThe Volvo suspension ball joint is an important component in automotive parts, which connects the wheels to the body and plays an important role in supporting and bearing the weight of the...read more
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Cadillac Suspension Ball JointThe Cadillac suspension ball joint is an important component that plays a crucial role in the vehicle suspension system. The size standard and torque of this ball head are also very good, and...read more
Why Choose Us
Wide Range of Brands Covered
NSK, SKF, NTN, FAG, INA, KOYO, EZO, NMB, IKO, THK, TIMKNE, NACHI, MCGILL, ELGES, FYH, ASAHI, IJK, EAST, ROLLWAY, SAMICK, HRB, ZWZ, LYC, TR, BUT, ZHBR, YFA, HZY, QCS, and other well-known domestic and foreign brands. The bearing models of major brands are complete, and customers can purchase them in a one-stop manner.
Sufficient supply
The company now covers a full range of bearing and pneumatic components products, with a total of 1.5 million SKUs and a year-round spot inventory value of approximately RMB 20 billion.
High-quality service
We promise to provide genuine guarantee, stable supply, and a complete logistics system to ensure efficient procurement for customers.
Wide range of applications
The products are widely used in many industries such as engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, electricity and railways.

Dongfeng Oscillating Arm Ball Head
The Dongfeng oscillating arm ball head is a key component in the automotive suspension system, and its quality directly affects the handling stability and operational safety of the vehicle. Meanwhile, the oscillating arm ball head is also one of the worn components in the vehicle suspension system, directly affecting the service life of the tires.
Changan Oscillating Arm Ball Head
Changan oscillating arm ball head is a high-quality automotive component, with its standard size and excellent resistance to vibration and bumps making it an indispensable part of automotive components. It is made of high-quality materials and undergoes multiple process treatments to withstand high-strength stress and heavy pressure, maintaining reliable operation for a long time.
GEELY Oscillating Arm Ball Head
The Geely oscillating arm ball head is a type of automotive swing arm connector, and its quality plays a crucial role in the handling stability and operational safety of the vehicle.
Control Arm Ball Joint Specification
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Thread Pitch |
M12x1.75 |
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Dust Boot Material |
Neoprene |
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Minor Diameter |
13.25mm |
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Taper Angle |
7.15° |
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Knurled Diameter |
46.1mm |
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Ball Stud |
Heat treated 4140. |
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Housing |
Heat treated 1045. |
Benefits of Control Arm Ball Joint
Smooth Steering
They allow for easy turning and precise control.
Suspension Integrity
Prevent excessive play in the suspension system.
Noise Reduction
Reduce clunking and rattling from the suspension.
The Role of Control Arm Ball Joint
Control arm ball joints are spherical bearings that connect the control arm to the steering knuckle, allowing for smooth articulation and movement of the suspension components. They provide a pivot point for the control arm, allowing it to move up and down while accommodating changes in steering angle and road conditions. Control arm ball joint are essential for maintaining proper alignment and ensuring optimal handling and ride quality.
Control arm ball joints are a flexible ball-and-socket joint that connect a vehicle's control arms to the steering knuckles and act as a pivot point. Control arm ball joints allow a vehicle's suspension to move up and down, while also allowing the wheels to steer left or right.
They are found on a vehicle's front suspension because the front suspension is what allows a vehicle to make turns. Most front suspensions have one or two control arm ball joints, and some rear suspensions May have control arm ball joints also.
Control arm ball joints allow vehicles to carry heavier loads and to travel over all kinds of surfaces such as: Over potholes, uneven surfaces, and over rocks/bumps.
They allow tires to stay in constant contact with the road surface by allowing wheels to move up or down depending on the surface. The control arm ball joints allow a wheel to stay in constant contact with these uneven surfaces while continuing to steer.

Control Arm Ball Joint Components
Ball stud
The star of the show. It's a bolt-like cylinder connected to a steel ball that rotates within the greased socket and enables movement or articulation in 3 axes.
01
Bearing
A polyurethane, nylon, or metal socket that encases the ball and aims to lower friction. When this part eventually fails, the ball joint is said to be worn out.
02
Protective boot
A tough polyurethane shield that prevents water, dirt, and debris from entering the ball joint. This part protects the ball joint from corrosion and frictional wear.
03
Housing
The outer layer of the ball joint; contains the bearing and the round end of the ball stud in that order. It resists wear both from the inside and the outside.
04
Backing plate
A cover that shrouds the ball end of the joint; typically constructed from a strong material like steel.
05
Spring washer
A retainer sandwiched between the backing plate and the socket or bearing.
06
Tapered extension
The threaded part of the ball stud that's supposed to accommodate the steering knuckle.
07
Zerk
Not all ball joints feature this. Also called a grease nipple, the zerk provides an opening through which grease can be injected into the ball joint.
08
Castle nut
The bit that holds the lower ball joint.
09
Cotter pin
A preventative measure to keep the castle nut from unraveling.
10
Precautions for Use Control Arm Ball Joint
Control arm ball joints are critical, yet often overlooked. Here are the best practices to extend their life
Schedule regular suspension inspections: Include a suspension system check every 10,000 miles.
Monitor for symptoms. Watch for clunking, loose steering, or uneven tire wear.
Avoid excessive loads. Carrying too much weight stresses the suspension components.
Check alignment regularly. Misalignment accelerates control arm ball joint wear.
Ordering Process
Consultation and demand analysis
Product selection and confirmation
Order placement and order review
Shipping and logistics tracking
Packaging and Shipping
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Packaging |
Plastic bag, wooden box |
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Transportation methods |
Road transport, rail transport, sea transport, air transport |
We're well-known as one of the leading control arm ball joint manufacturers and suppliers in China. Be free to wholesale high quality control arm ball joint in stock here and get quotation from our factory. Contact us for more details.
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