China Hot selling Original Inner Gear Ring for North Benz Truck Spare Parts A0303540012 with Best Sales
Product Description
High Quality Original Inner Gear Ring For North BENZ Truck Spare Parts A
Detailed Photos
| Number of teeth of inner ring gear | 76 teeth |
| Height | 91.3 mm |
More Products
| Truck Model | Sinotruk, Shacman, CHINAMFG Auman, CHINAMFG Xihu (West Lake) Dis., Xihu (West Lake) Dis.feng, Xihu (West Lake) Dis.feng Liuqi Balong, North BENZ( BEIBEN), C&C, JAC, etc. | |
| Product catalogue | Axle | Wheel Assembly |
| Differential Assembly | ||
| Main Reducer Assembly | ||
| Inner Ring Gear& Bracket | ||
| Basin Angle Gear/ Bevel Gear | ||
| Axle Shaft/ Half Shaft & Through Shaft | ||
| Axle Housing& Axle Assembly | ||
| Steering knuckle & Front Axle | ||
| Gear | ||
| Brake Drum& Wheel Hub | ||
| Flange | ||
| Bearing | ||
| Main Reducer Housing | ||
| Oil Seal Seat | ||
| Nut& Shim Series | ||
| Brake Backing Plate | ||
| Chassis Support Products | Leaf Spring Bracket | |
| Drop Arm Series | ||
| Bracket Series | ||
| Leaf Spring Shackle Series | ||
| Balanced Suspension Series | Balance Shaft Assembly | |
| Balance Shaft Housing | ||
| Axle Spring Seat | ||
| Thrust Rod | ||
| Balance Shaft Parts | ||
| Shock Absorber Series | Shock Absorber | |
| Shock Absorbing Airbag | ||
| Steering System | Power Steering Pump | |
| Power Steering Gear | ||
| Rubber Products | Oil Seal | |
| Rubber Support | ||
| Thrust Rod Rubber Core | ||
| Truck Belt | ||
| Engine support | ||
| Other | ||
| Clutch Series | Clutch Pressure Plate | |
| Clutch Disc | ||
| Flywheel Assembly | ||
| Flywheel Ring Gear | ||
| Adjusting Arm Series | ||
Product Advantages & Features
(1) The gear ring product is made of high-quality 40Cr steel, and through the forging and rolling secondary forming process, the density of the gear ring material is effectively guaranteed.
(2) Through the pre heat conduction treatment processes such as normalizing hardening and tempering, the performance of the materials have been further brought into full play and guaranteed.
(3) The machining process strictly controls the size of each part and optimizes many subtle tolerances, so that it can achieve higher coaxiality and tighter coordination in the matching with the counterparts. And it reduces noise and avoids unreasonable part wear during rotation.
(4) In addition, after the surface heat treatment of the special process, the wear resistance and impact resistance of the gear ring are improved, making the gear ring of Fukai brand more durable, with the characteristics of longer service life, wear resistance of the inner gear surface and no cracking of the gear ring.
(5) Inspect each product on delivery, unified coding and unified packaging.
Factory Show
Working Principle
The wheel reducer is mainly composed of sun gear, planetary gear, ring gear and planetary gear carrier. Generally, the sun gear of the driving part is connected with the half shaft, the planetary gear carrier of the passive part is connected with the wheel, and the ring gear is connected with the axle housing. The wheel reducer is used to increase the driving force matching of the car to meet or modify the force of the entire transmission system. At present, the wheel reducer is a set of gear transmission device with speed reduction and torque increase to meet the matching needs of the whole transmission system.
Packaging & Shipping
Company Introduction
FAQ
Q1. Are you a factory or trading company?
We are a factory integrating research, development, production and sales.
Q2. What are the advantages of your products?
We support product customization to meet customer needs for special products. We can strictly control the products from raw materials to production, processing, product quality inspection, delivery, packaging, etc., and provide customers with high-end products and the most advantageous prices.
Q3. How about products price?
We are a factory, all products are direct sale at factory price. For the same price, we will provide the best quality; for the same quality, we have the most advantageous price.
Q4. What is your terms of packing?
We have branded packaging and neutral packaging, and we can also do what you want with authorization. This is flexible.
Q5. How to guarantee your after-sales service?
Strict inspection during production, Strictly check the products before shipment to ensure our packaging in good condition. Track and receive feedback from customer regularly. Our products warranty is 365 days.
Each product provides quality assurance service. If there is a problem with the product within the warranty period, the customer can negotiate with us in detail about the related claims, and we will do our best to satisfy the customer.
Q6. How can I accurately buy the products I need?
We need accurate product number, If you can’t provide product number, you can send us your product picture, or tell us your truck model, engine name plate, and so on. we will
determine exactly what you need products.
Q7. Do you accept third party inspection?
Yes.we do
Q8. How about your delivery time?
Generally, it will take 3 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q9. What are your brand agency conditions and advantages?
After we CHINAMFG an agent in 1 city, we will not CHINAMFG a second company to protect the agent’s brand advantage and price advantage. And we will help the agent develop customers and solve all kinds of difficult and miscellaneous problems about products.
Q10. What is your terms of payment?
By TT or LC. We’ll show you the photos of the products and packages before you pay the balance.
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| After-sales Service: | Support |
|---|---|
| Warranty: | 12 Months |
| Material: | SGS |
| Certification: | SGS |
| Car Make: | Beiben Borth Benz Truck |
| OEM: | Yes |
| Samples: |
US$ 26/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

How do ring gears contribute to power transmission?
Ring gears play a significant role in power transmission within mechanical systems. Here’s a detailed explanation of how ring gears contribute to power transmission:
- Torque Transfer: Ring gears are designed with teeth on their outer or inner circumference, depending on whether they are external or internal ring gears. These teeth mesh with the teeth of other gears, such as pinion gears or planetary gears. As the driving gear rotates, the meshing teeth engage with the ring gear’s teeth, transmitting torque from the driving gear to the ring gear. This torque transfer enables the ring gear to rotate and transmit power to other components or systems connected to it.
- Rotational Motion: Ring gears convert the rotational motion of the driving gear into rotational motion of the ring gear itself. The teeth on the ring gear provide a positive engagement with the teeth of the driving gear, ensuring a synchronized rotation. As the driving gear rotates, the meshing teeth push against the ring gear’s teeth, causing it to rotate in the same direction and at a proportional speed determined by the gear ratio. This rotational motion is crucial for transmitting power to different parts of the system or driving various mechanisms and components.
- Speed Reduction or Increase: Ring gears, in conjunction with other gears in the system, can be used to achieve speed reduction or increase. By varying the sizes of the driving gear, the ring gear, and other intermediate gears, different gear ratios can be achieved. When the driving gear is smaller than the ring gear, the ring gear rotates at a slower speed than the driving gear, resulting in speed reduction. Conversely, if the driving gear is larger, the ring gear rotates at a faster speed, leading to speed increase. This ability to control gear ratios allows for power transmission at desired speeds and enables systems to meet specific operational requirements.
- Load Distribution: Ring gears distribute the transmitted loads across their circumference. The teeth of the ring gear engage with multiple teeth of other gears, ensuring that the load is shared among these meshing points. This load distribution helps prevent localized stress concentrations and excessive wear on specific gear teeth. By distributing the load, ring gears contribute to the overall durability and longevity of the gear system, allowing for reliable power transmission even under demanding conditions.
- Compact and Efficient Design: Ring gears offer a compact and efficient design for power transmission. Their annular shape allows for a high gear ratio within a small space, making them ideal for applications where space is limited. Additionally, ring gears can be integrated into various gear configurations, such as planetary gear systems or gearboxes, which further enhance their power transmission capabilities. This compact and efficient design contributes to overall system efficiency and performance.
Overall, ring gears are essential components in power transmission systems. Through torque transfer, rotational motion, speed control, load distribution, and their compact design, ring gears enable efficient and reliable power transmission in a wide range of mechanical applications.

Are ring gears suitable for high-torque applications?
Ring gears are indeed suitable for high-torque applications. Here’s a detailed explanation of why ring gears are suitable for high-torque applications:
Ring gears are designed to handle high torque loads and are commonly used in various applications that require substantial torque transmission. Here are the reasons why ring gears are well-suited for high-torque applications:
- Robust Construction: Ring gears are typically constructed with robust materials, such as hardened steel or other high-strength alloys. This construction provides the necessary strength, durability, and resistance to withstand high torque forces without deformation or failure.
- Large Contact Area: Ring gears have a large contact area between their gear teeth, which allows for efficient power transmission and load distribution. The larger contact area enables the ring gear to transmit higher torque without experiencing excessive stress concentrations or localized overloading.
- Optimized Tooth Geometry: The tooth geometry of ring gears is designed to handle high torque. The shape and profile of the gear teeth are optimized to distribute the torque load evenly, minimizing stress concentrations and enhancing the gear’s ability to transmit higher torque without premature wear or failure.
- Multiple Gear Engagements: Ring gears often engage with multiple gears or pinions, which further enhances their torque capacity. The engagement of multiple gears allows for load sharing, distributing the torque across multiple contact points and reducing the strain on individual gear teeth.
- Customizable Gear Ratios: Ring gears can be designed with various gear ratios to meet specific torque requirements. By adjusting the tooth count or diameter of the ring gear and mating gears, the gear system can be optimized for high torque applications while maintaining the desired speed or rotational characteristics.
- Used in Heavy-Duty Applications: Ring gears are widely used in heavy-duty applications that demand high torque transmission. Examples include automotive differentials, industrial gearboxes, mining equipment, construction machinery, and wind turbines. These applications rely on ring gears to effectively transmit and handle the high torque generated by powerful engines, motors, or turbines.
It’s important to note that while ring gears are suitable for high-torque applications, proper engineering analysis and selection should be carried out to ensure that the specific design, material, and size of the ring gear are appropriate for the intended torque requirements. Factors such as gear tooth strength, gear geometry, material properties, lubrication, and operating conditions should be carefully considered to ensure reliable and efficient performance in high-torque applications.

What is a ring gear and how does it work?
A ring gear is a type of gear that features teeth on the outer perimeter of a circular ring-shaped component. It is commonly used in various mechanical systems and applications. Here’s a detailed explanation of what a ring gear is and how it works:
A ring gear, also known as an annular gear or internal gear, is a gear with teeth on the inside circumference of a circular ring. It is designed to mesh with a pinion gear or another gear that has teeth on the outside. The combination of a ring gear and a pinion gear forms a gear set, enabling the transmission of rotational motion and torque between the two gears.
Here’s how a ring gear works:
- Tooth Engagement: When a ring gear and a pinion gear are brought together, the teeth of the pinion gear mesh with the teeth of the ring gear. The teeth of the pinion gear enter the spaces between the teeth of the ring gear, creating a mechanical connection between the two gears.
- Motion Transmission: As the driving gear (such as the pinion gear) rotates, it transfers rotational motion to the ring gear. The teeth of the driving gear push against the teeth of the ring gear, causing the ring gear to rotate in the opposite direction. This rotational motion can be used to drive other components or systems connected to the ring gear.
- Torque Transfer: The meshing of the teeth between the ring gear and the driving gear allows for the transfer of torque. Torque is the rotational force or twisting force applied to a gear. As the driving gear exerts torque on the ring gear through the meshing teeth, the ring gear experiences a torque load. This torque load can be transmitted to other components or systems connected to the ring gear.
- Gear Ratio: The gear ratio between the ring gear and the driving gear determines the speed and torque relationship between the two gears. The gear ratio is defined as the ratio of the number of teeth on the ring gear to the number of teeth on the driving gear. By changing the size or number of teeth on either the ring gear or the driving gear, the gear ratio can be adjusted to achieve the desired speed or torque output.
- Load Distribution: The ring gear distributes the load over a larger area compared to other types of gears. This load distribution characteristic allows the ring gear to handle higher loads and torque. The design of the ring gear and its tooth profile ensures that the load is evenly distributed across the surface of the gear, enhancing its durability and reducing the risk of premature wear or failure.
Ring gears are commonly used in various applications, including automotive transmissions, differential systems, planetary gear systems, industrial machinery, and power transmission equipment. They provide advantages such as compactness, high torque capacity, load distribution, and the ability to achieve high gear ratios.
It’s important to note that the design and characteristics of ring gears may vary depending on the specific application and requirements. Factors such as tooth profile, material selection, lubrication, and manufacturing techniques are carefully considered to ensure optimal performance and durability of the ring gear.


editor by CX 2024-04-04