China supplier 2050900103 Zl50.5.5-2A Zl50g. 5.7-1 2907000121 2907000045 Front Driving and Driven Spiral Bevel Gear Drive and Gear for Backhole Wheel Loader Spare Parts wholesaler

Product Description

Product Details:


1 2907 FLANGE LGB Y 3 
19 4571 PIPE LGB125- PIPE LGB125- PIPE LGB129- PIPE LGB Y 1 
29 2912 PIPE LGB Y 1 
36 45710571 LGB120-03633 STAIGHT JOINT LGB120-03633 Y 2 
37 4571 PIPE LGB125- FLANGE LGB Y 1 
7 4013 TUBE LGB Y 1 
13 4011 FLANGE LGB Y 4 
16 29110 31 VALVE BLOCK Y 1 
17 4011 PIPE LGB Y 1
1 412 FLANGE LGB Y 4 
11 403 FLANGE LGB117310490 Y 8 
25 2913 FLANGE LGB117312551 Y 2 
27 2913 LGB135-01422 PLUG LGB13501421 Y 4 
29 4571 GB16674-M10*50EpZn-8.8 BOLT GB16674-M10*50EpZn-8.8 N 8 
31 4011 GB96.1-10EpZn-300HV WASHER GB96.1-10EpZn-300HV N 6


Wheel loader
LG916 LG918 L918 LG933L L933 LG936L LG938L L938F LG946L L948 L948F LG952N LG952H LG953N L953F L955 L955F L955FN LG956L L956F L956FH LG958L L958F LG959 LG968 L968F
ZL50GN LW300F LW321F LW300KN LW500F LW500FN LW500KN.
XG932 XG955 XG935
CDM855 CDM856 CDM860 CDM835
CLG856 ZL50G CLG835
Backhoe loader 
LGB877 LGB876 WZ30-25 
Motor Grader 
G9138 G9165 G9180 G9190 G9200 G9220
Road Roller 
RS7120 RS7200 RS7260 RS8140 RS8160 RS8180 RS8200 RS8220
LG6135E LG6150E LG6210E LG6225E LG6235E LG6250E LG6300E LG6360E LG6400E 
SD16 TY160 /SD22 TY220/ SD32 TY320
2.Engine parts 
(Yuchai(YC6108G) CHINAMFG (Deutz TD226B,WD615) CHINAMFG (C6121),(6BT5.9..)
(4WG180,4WG200..) HangZhou advance (ZL30E,ZL50E,YD13,WG180..) 

Packaging & Shipping


Certification: CE, ISO9001: 2000
Condition: New
Gear Pinion: 2907000511
Left Case Differential Mechanism: 29070000431
Spiral Bevel Gear Pinion: 29090001091
Input Flange: 29090008121
US$ 95/Piece
1 Piece(Min.Order)

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Customized Request

bevel gear

How does a bevel gear impact the overall efficiency of a system?

A bevel gear plays a significant role in determining the overall efficiency of a system. Its design, quality, and operating conditions can impact the efficiency of power transmission and the system as a whole. Here’s a detailed explanation of how a bevel gear can impact overall efficiency:

  • Power Transmission Efficiency: The primary function of a bevel gear is to transmit power between intersecting shafts at different angles. The efficiency of power transmission through a bevel gear depends on factors such as gear geometry, tooth profile, material quality, lubrication, and operating conditions. In an ideally designed and well-maintained system, bevel gears can achieve high power transmission efficiency, typically above 95%. However, factors such as friction, misalignment, inadequate lubrication, and gear tooth wear can reduce efficiency and result in power losses.
  • Friction and Mechanical Losses: Bevel gears experience friction between their mating teeth during operation. This friction generates heat and causes mechanical losses, reducing the overall efficiency of the system. Factors that affect friction and mechanical losses include the gear tooth profile, surface finish, lubrication quality, and operating conditions. High-quality gears with well-designed tooth profiles, proper lubrication, and optimized operating conditions can minimize friction and mechanical losses, improving the overall efficiency.
  • Gear Tooth Design: The design of the bevel gear tooth profile influences its efficiency. Factors such as tooth shape, size, pressure angle, and tooth contact pattern affect the load distribution, friction, and efficiency. Proper tooth design, including optimized tooth profiles and contact patterns, help distribute the load evenly and minimize sliding between the teeth. Well-designed bevel gears with accurate tooth profiles can achieve higher efficiency by reducing friction and wear.
  • Material Quality and Manufacturing Precision: The material quality and manufacturing precision of bevel gears impact their durability, smooth operation, and efficiency. High-quality materials with suitable hardness, strength, and wear resistance can minimize friction, wear, and power losses. Additionally, precise manufacturing processes ensure accurate gear geometry, tooth engagement, and alignment, optimizing the efficiency of power transmission and reducing losses due to misalignment or backlash.
  • Lubrication and Wear: Proper lubrication is crucial for reducing friction, wear, and power losses in bevel gears. Insufficient or degraded lubrication can lead to metal-to-metal contact, increased friction, and accelerated wear, resulting in reduced efficiency. Adequate lubrication with the recommended lubricant type, viscosity, and replenishment schedule ensures a sufficient lubricating film between the gear teeth, minimizing friction and wear and improving overall efficiency.
  • Misalignment and Backlash: Misalignment and excessive backlash in bevel gears can negatively impact efficiency. Misalignment causes uneven loading, increased friction, and accelerated wear. Excessive backlash results in power losses during direction changes and can lead to impact loads and vibration. Proper alignment and control of backlash within acceptable limits are crucial for maintaining high efficiency in a bevel gear system.

Overall, a well-designed bevel gear system with high-quality materials, accurate manufacturing, proper lubrication, and minimal losses due to friction, misalignment, or wear can achieve high efficiency in power transmission. Regular maintenance, monitoring, and optimization of operating conditions are essential to preserve the efficiency of the system over time.

bevel gear

What are the potential challenges in designing and manufacturing bevel gears?

Designing and manufacturing bevel gears can present several challenges due to their complex geometry, load requirements, and manufacturing processes. Here’s a detailed explanation of the potential challenges:

When it comes to designing and manufacturing bevel gears, the following challenges may arise:

  • Complex Geometry: Bevel gears have intricate geometry with non-parallel and intersecting tooth profiles. Designing bevel gears requires a thorough understanding of gear theory, tooth engagement, and load distribution. The complex geometry poses challenges in determining the optimal tooth profile, tooth contact pattern, and gear ratios for the specific application.
  • Load Analysis and Distribution: Determining the correct load analysis and distribution is crucial to ensure the gears can handle the anticipated forces and torques. Bevel gears often encounter varying loads, including radial loads, axial loads, and bending moments. Accurately predicting and distributing these loads across the gear teeth is essential for achieving proper gear strength, minimizing wear, and preventing premature failure.
  • Manufacturing Precision: Bevel gears require high manufacturing precision to ensure smooth operation, minimal backlash, and efficient power transmission. Achieving the required precision in gear manufacturing involves precise machining, grinding, and heat treatment processes. The complex geometry of bevel gears adds to the manufacturing complexity, necessitating specialized equipment and skilled operators.
  • Alignment Challenges: Proper alignment of bevel gears is critical for optimal performance and longevity. Achieving accurate alignment can be challenging due to the non-parallel shafts and intricate tooth profiles. Misalignment can lead to increased noise, vibration, and premature wear. Design considerations for alignment, as well as careful assembly and alignment procedures during manufacturing, are necessary to address this challenge.
  • Lubrication and Cooling: Bevel gears require effective lubrication to minimize friction, wear, and heat generation. Ensuring proper lubrication and cooling can be challenging due to the unique shape of bevel gears and the limited space available for lubricant circulation. Designing appropriate lubrication systems, selecting suitable lubricants, and considering heat dissipation methods are essential for maintaining optimal gear performance and preventing overheating.
  • Quality Control: Maintaining consistent quality during the manufacturing process is crucial for reliable bevel gears. Implementing robust quality control measures, including dimensional inspections, surface quality assessments, and gear testing, helps ensure that the manufactured gears meet the specified requirements. Consistency in gear quality is essential to minimize variations in performance and to ensure accurate gear meshing and load distribution.

Addressing these challenges requires a combination of engineering expertise, advanced manufacturing techniques, and quality control processes. Collaborating with experienced gear designers, employing state-of-the-art manufacturing technologies, and conducting thorough testing and analysis can help overcome these challenges and produce high-quality bevel gears that meet the performance and durability requirements of the intended application.

bevel gear

Can you explain the concept of straight and spiral bevel gears?

Straight and spiral bevel gears are two common types of bevel gears that have different tooth geometries and characteristics. Here’s a detailed explanation of the concept of straight and spiral bevel gears:

Straight Bevel Gears:

Straight bevel gears are a type of bevel gears with straight-cut teeth that are machined on the cone-shaped surface of the gears. The teeth of straight bevel gears are parallel to the gear axis and intersect at a 90-degree angle. These gears are often used when the intersecting shafts need to transmit rotational motion at a right angle.

Straight bevel gears have the following characteristics:

  • Tooth Engagement: In straight bevel gears, the tooth engagement occurs gradually as the gears rotate. This results in a relatively smooth and continuous transfer of power between the gears.
  • Noise and Vibration: Straight bevel gears can produce more noise and vibration compared to other types of bevel gears, particularly at higher speeds. The straight-cut teeth create impact and noise during the engagement process.
  • Efficiency: Straight bevel gears have relatively high efficiency due to their simple tooth geometry and direct engagement.
  • Applications: Straight bevel gears are commonly used in applications such as automotive differentials, hand drills, and other mechanical power transmission systems where a 90-degree change in direction is required.

Spiral Bevel Gears:

Spiral bevel gears are another type of bevel gears with curved teeth that are machined on the cone-shaped surface of the gears. The teeth of spiral bevel gears are cut in a spiral pattern, gradually curving along the gear surface. This spiral tooth geometry provides several advantages over straight bevel gears.

Spiral bevel gears have the following characteristics:

  • Tooth Engagement: Spiral bevel gears have a more gradual and smoother tooth engagement compared to straight bevel gears. The spiral-shaped teeth allow for progressive contact between the gears, resulting in reduced impact, noise, and vibration.
  • Noise and Vibration: Spiral bevel gears produce less noise and vibration compared to straight bevel gears due to their improved tooth engagement characteristics.
  • Load Capacity: Spiral bevel gears have higher load-carrying capacity compared to straight bevel gears due to the increased contact area between the gear teeth. This makes them suitable for applications that require higher torque transmission.
  • Efficiency: Spiral bevel gears have slightly lower efficiency compared to straight bevel gears due to the sliding action between the teeth during engagement. However, advancements in gear design and manufacturing techniques have improved their efficiency.
  • Applications: Spiral bevel gears are commonly used in applications where smooth and quiet operation is required, such as automotive rear axle drives, machine tools, and industrial machinery.

In summary, straight bevel gears have straight-cut teeth that intersect at a 90-degree angle, while spiral bevel gears have curved teeth that engage in a spiral pattern. Straight bevel gears are suitable for applications that require a right angle change in direction, while spiral bevel gears provide smoother engagement, reduced noise, and higher load-carrying capacity. The selection between straight and spiral bevel gears depends on the specific requirements of the application, including the desired level of noise, vibration, efficiency, and torque transmission.

China supplier 2050900103 Zl50.5.5-2A Zl50g. 5.7-1 2907000121 2907000045 Front Driving and Driven Spiral Bevel Gear Drive and Gear for Backhole Wheel Loader Spare Parts wholesaler China supplier 2050900103 Zl50.5.5-2A Zl50g. 5.7-1 2907000121 2907000045 Front Driving and Driven Spiral Bevel Gear Drive and Gear for Backhole Wheel Loader Spare Parts wholesaler
editor by CX 2023-10-23