China Professional 13t 14t 15t 16t 17t 18t 19t 20t M1 Mod1 Pinion Gear Chromium Alloy Steel 8.0mm Bore for 1/5 RC Car. W/Screw spiral bevel gear

Product Description


Made of high quality metal material

Exquisite workmanship and durable in use

M1 motor gears for 1/5 RC Crawler Car 



Material: Metal

Quantity: 1Pcs

For motor shaft diameter: 8.0mm
M5 crew hole
M1 8.0 hole gear is made of 45 steel (also known as 1m in China), all inner holes are positive tolerance 0 – positive 0.03, and M5 fixed screw holes
Easy installation and long service life
Hard anodizing of gear surface
Antirust treatment of gear surface
8mm shaft brushless motor for 1 / 5 RC model car
T-number can be combined arbitrarily.
Each gear is equipped with a machine screw and packaged with transparent belt,

Gear Tooth: 13T/14T/15T/16T/17T/18T/19T/20T/21T/22T/23T/24T/25T/26T/27T/28T/29T/30T/31T/32T/33T/34T/35T/36T/37T/38T/39T/40T/41T/42T/43T/44T/45T/46T/47T/48T/49T/OEM(MOQ is 100pcs)/ODM(MOQ is 200pcs).

Package List:

1 * M1 Motor Gear    or  10* M1 Motor Gear  or other

No item No. Description Specification    
1 11571-6003-02 M1 8.0 13T  HRC42-38 M1 13T ¢8*¢15*14mm 
2 11571-6004-02 M1 8.0 14T  HRC42-38 M1 14T ¢8*¢16*14mm 
3 11571-6005-02 M1 8.0 15T  HRC42-38 M1 15T ¢8*¢17*14mm 
6 11571-6006-02 M1 8.0 16T  HRC42-38 M1 16T ¢8*¢18*14mm 
7 11571-6007-02 M1 8.0 17T  HRC42-38 M1 17T ¢8*¢19*14mm 
8 11571-6008-02 M1 8.0 18T  HRC42-38 M1 18T ¢8*¢20*14mm 
9 11571-6009-02 M1 8.0 19T  HRC42-38 M1 19T ¢8*¢21*14mm 
10 11571-6571-02 M1 8.0 20T  HRC42-38 M1 20T ¢8*¢22*14mm 
11 11571-6011-02 M1 8.0 21T  HRC42-38 M1 21T ¢8*¢23*14mm 
12 11571-6012-02 M1 8.0 22T  HRC42-38 M1 22T ¢8*¢24*14mm 
13 11571-6013-02 M1 8.0 23T  HRC42-38 M1 23T ¢8*¢25*14mm 
14 11571-6014-02 M1 8.0 24T  HRC42-38 M1 24T ¢8*¢26*14mm 
15 11571-6015-02 M1 8.0 25T  HRC42-38 M1 25T ¢8*¢27*14mm 
16 11571-6016-02 M1 8.0 26T  HRC42-38 M1 26T ¢8*¢28*14mm 
17 11571-6017-02 M1 8.0 27T  HRC42-38 M1 27T ¢8*¢29*14mm 
18 11571-6018-02 M1 8.0 28T  HRC42-38 M1 28T ¢8*¢30*14mm 
19 11571-6019-02 M1 8.0 29T  HRC42-38 M1 29T ¢8*¢31*14mm 
20 11571-6571-02 M1 8.0 30T  HRC42-38 M1 30T ¢8*¢32*14mm 
21 11571-6571-02 M1 8.0 31T  HRC42-38 M1 31T ¢8*¢33*14mm 
22 11571-6571-02 M1 8.0 32T  HRC42-38 M1 32T ¢8*¢34*14mm 
23 11571-6571-02 M1 8.0 33T  HRC42-38 M1 33T ¢8*¢35*14mm 
24 11571-6571-02 M1 8.0 34T  HRC42-38 M1 34T ¢8*¢36*14mm 
25 11571-6571-02 M1 8.0 35T  HRC42-38 M1 35T ¢8*¢37*14mm 
26 11571-6026-02 M1 8.0 36T  HRC42-38 M1 36T ¢8*¢38*14mm 
27 11571-6571-02 M1 8.0 37T  HRC42-38 M1 37T ¢8*¢39*14mm 
28 11571-6571-02 M1 8.0 38T  HRC42-38 M1 38T ¢8*¢40*14mm 
29 11571-6571-02 M1 8.0 39T  HRC42-38 M1 39T ¢8*¢41*14mm 
30 11571-6030-02 M1 8.0 40T  HRC42-38 M1 40T ¢8*¢42*14mm 
31 11571-6031-02 M1 8.0 41T  HRC42-38 M1 41T ¢8*¢43*14mm 
32 11571-6032-02 M1 8.0 42T  HRC42-38 M1 42T ¢8*¢44*14mm 
33 11571-6033-02 M1 8.0 43T  HRC42-38 M1 43T ¢8*¢45*14mm 
34 11571-6034-02 M1 8.0 44T  HRC42-38 M1 44T ¢8*¢46*14mm 
35 11571-6035-02 M1 8.0 45T  HRC42-38 M1 45T ¢8*¢47*14mm 
36 11571-6036-02 M1 8.0 46T  HRC42-38 M1 46T ¢8*¢48*14mm 
37 11571-6037-02 M1 8.0 47T  HRC42-38 M1 47T ¢8*¢49*14mm 
38 11571-6038-02 M1 8.0 48T  HRC42-38 M1 48T ¢8*¢50*14mm 
39 11571-6039-02 M1 8.0 49T  HRC42-38 M1 49T ¢8*¢51*14mm 

Shipping Cost:

Estimated freight per unit.

To be negotiated
Plastic Cement: Na
Hardware: Ring
Type: Electronic Accessories
US$ 5/Piece
1 Piece(Min.Order)


Order Sample



Customized Request

ring gear

What is the purpose of using ring gears in machinery?

Ring gears serve multiple purposes and offer various advantages when used in machinery. Here’s a detailed explanation of the purpose of using ring gears:

  • Power Transmission: One of the primary purposes of ring gears in machinery is to facilitate power transmission. Ring gears, along with other meshing gears, transmit torque and rotational motion from the driving gear to the driven components or systems. They enable the transfer of power from a power source to various parts of the machinery, driving the movement and operation of different mechanisms and processes.
  • Gear Ratio Control: Ring gears allow for precise control over the gear ratio in machinery. By adjusting the size of the ring gear and its meshing gears, different gear ratios can be achieved. Gear ratios determine the relationship between the rotational speeds and torques of the driving and driven gears. This ability to control the gear ratio enables machinery to operate at desired speeds, optimize torque output, and adapt to specific application requirements.
  • Mechanical Advantage: Ring gears provide a mechanical advantage in machinery. By leveraging the gear ratio control mentioned above, ring gears can amplify or reduce the torque output of the power source. This mechanical advantage allows machinery to generate higher forces or torques than the original power source alone. It enables the machinery to handle heavy loads, perform tasks requiring significant force, and enhance overall operational efficiency.
  • Load Distribution: Ring gears contribute to load distribution within machinery. The meshing teeth of the ring gear engage with multiple teeth of other gears, distributing the transmitted loads across these meshing points. This load distribution helps prevent excessive stress concentration on specific gear teeth, ensuring even wear and reducing the risk of gear failure. By distributing the load, ring gears enhance the overall durability and reliability of the machinery.
  • Motion Control: Ring gears play a crucial role in motion control within machinery. By transmitting rotational motion, ring gears enable precise movement and synchronization of various components and mechanisms. They ensure that different parts of the machinery operate in a coordinated manner, allowing for smooth and controlled motion. Ring gears contribute to accurate positioning, speed regulation, and overall motion precision in machinery.
  • Compact Design: Ring gears offer a compact design solution. Due to their annular shape, they can be integrated into machinery with limited space. The compactness of ring gears is particularly beneficial in applications where space constraints are a concern. Their small footprint allows for efficient use of available space, enabling the design of more compact and lightweight machinery without sacrificing power transmission capabilities.
  • Versatile Applications: Ring gears find wide applications across various industries and machinery types. They are used in automotive transmissions, industrial machinery, robotics, aerospace systems, power generation equipment, and more. The versatility of ring gears stems from the ability to configure them in different types, such as external or internal ring gears, helical gears, or bevel gears. This versatility makes ring gears adaptable to a wide range of machinery designs and requirements.

By serving these purposes, ring gears contribute to the efficient and reliable operation of machinery. They enable power transmission, gear ratio control, mechanical advantage, load distribution, motion control, and compact design, making them essential components in various mechanical systems.

ring gear

How do you prevent backlash and gear play in a ring gear mechanism?

Preventing backlash and gear play in a ring gear mechanism is crucial for ensuring accurate and precise operation. Here’s a detailed explanation of how to prevent backlash and gear play in a ring gear mechanism:

  • Precise Gear Design: The design of the ring gear and associated gears should be carefully engineered to minimize backlash. This involves selecting appropriate tooth profiles and gear geometry that promote proper meshing and minimize clearance between the gear teeth. The gear design should consider factors such as tooth thickness, pressure angle, and tooth contact ratio to achieve optimal gear meshing without excessive play.
  • Tight Manufacturing Tolerances: Close manufacturing tolerances are essential to reduce backlash in a ring gear mechanism. The gear components, including the ring gear and mating gears, should be produced with high precision to ensure accurate tooth dimensions and minimize any gaps or play between the gear teeth. Tight manufacturing tolerances help achieve a tighter meshing fit, reducing backlash and gear play.
  • Proper Gear Alignment: Accurate alignment of the ring gear and mating gears is crucial for minimizing backlash. The gears should be properly aligned along their axes to ensure precise engagement and minimize any misalignment that can contribute to play. Adequate alignment can be achieved through careful assembly techniques, such as using alignment fixtures, proper shimming, and precision measurement tools.
  • Preload or Pre-tension: Applying preload or pre-tension to the ring gear mechanism can help reduce backlash and gear play. Preload involves applying a slight compressive force or tension to eliminate any clearance or gaps between the gear teeth during operation. This can be achieved through various methods, such as using spring-loaded components, adjustable shims, or axial preloading devices.
  • Optimized Lubrication: Proper lubrication is essential for reducing friction and minimizing gear play. Lubricants with appropriate viscosity and film strength should be used to ensure smooth gear operation and reduce any unwanted movement or play between the gear teeth. Regular lubricant maintenance, such as monitoring oil levels and replenishing or replacing lubricants as needed, helps maintain optimal lubrication conditions and minimize backlash.
  • Mechanical Backlash Compensation: In some applications, mechanical compensation mechanisms can be employed to actively compensate for any residual backlash. These mechanisms can include systems with adjustable clearances, anti-backlash devices, or dual-gear arrangements that counteract the effects of backlash. Mechanical backlash compensation techniques can help maintain precise positioning and eliminate any undesired play in the gear mechanism.

By implementing these measures, it is possible to significantly reduce or eliminate backlash and gear play in a ring gear mechanism. Careful gear design, tight manufacturing tolerances, proper alignment, preload or pre-tension, optimized lubrication, and mechanical compensation techniques all play a role in ensuring accurate and precise operation of the ring gear mechanism.

ring gear

Can you explain the concept of meshing with a ring gear?

Meshing with a ring gear refers to the process of engaging and interlocking the teeth of a gear with the internal teeth of a ring gear. It is a fundamental concept in gear systems where the rotation and torque transfer occur between two gears. Here’s a detailed explanation of the concept of meshing with a ring gear:

When two gears come into contact and their teeth interlock, they are said to be meshing. In the case of a ring gear, the meshing occurs when the teeth of an external gear, such as a pinion gear, engage with the internal teeth of the ring gear. The teeth of the pinion gear fit precisely between the teeth of the ring gear, creating a mechanical connection.

The process of meshing involves several important considerations:

  • Tooth Engagement: Proper tooth engagement is crucial for efficient and smooth meshing. The teeth of the gears must align correctly to ensure a proper fit. This alignment ensures that the teeth make contact at the correct pitch point and maintain a consistent mesh throughout the gear rotation.
  • Tooth Profile: The tooth profile, such as the shape and size of the teeth, is designed to facilitate smooth meshing. The profile ensures that the teeth slide smoothly against each other without excessive friction, noise, or wear. The tooth profile also affects the load distribution, torque transmission, and overall performance of the gear system.
  • Lubrication: Lubrication plays a crucial role in the meshing process. It helps reduce friction and wear between the teeth, ensuring smooth operation and preventing damage to the gears. Proper lubrication also helps dissipate heat generated during meshing, improving the overall efficiency and reliability of the gear system.
  • Clearance and Backlash: Clearance and backlash are important considerations in gear meshing. Clearance refers to the space between the tips of the teeth of the external gear and the root of the teeth of the ring gear. Backlash is the amount of play or movement between the engaged teeth. Proper clearance and backlash are necessary to prevent interference, ensure smooth rotation, and accommodate any misalignment or thermal expansion that may occur during operation.

The quality of the meshing directly affects the performance, efficiency, and reliability of the gear system. Proper design, manufacturing precision, and maintenance practices are essential to achieve optimal meshing between gears, including ring gears.

It’s important to note that the specific parameters and requirements for meshing, such as tooth geometry, clearance, backlash, and lubrication, may vary depending on the application, gear type, and operating conditions.

China Professional 13t 14t 15t 16t 17t 18t 19t 20t M1 Mod1 Pinion Gear Chromium Alloy Steel 8.0mm Bore for 1/5 RC Car. W/Screw spiral bevel gearChina Professional 13t 14t 15t 16t 17t 18t 19t 20t M1 Mod1 Pinion Gear Chromium Alloy Steel 8.0mm Bore for 1/5 RC Car. W/Screw spiral bevel gear
editor by CX 2023-10-07


Wenling Minghua GEAR CO., LTD

Minghua Gear is one of leading transmission gears, planetary gearboxes, worm reducer manufacturers, suppliers and exporters of mechanical products, We offer agricultural gears, industry gears and many other gear products.

Please contact us for details.


We specializing in the production of gears, reducers and gearboxes, and more.

We have exported our products to clients around the world and earned a good reputation because of our superior product quality and after-sales service.

We warmly welcome customers both at home and abroad to contact us to negotiate business, exchange information and cooperate with us.