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Spur Gear

An spur gear is a type of gear that can be employed in various applications. It is a kind of gear with teeth that are parallel to the axle of the gear. This configuration allows for greater efficiency than other types of gear. When gear ratios are lower, spur gears are efficient between 94% and 98 percent. The straight spur gear is constructed from a variety of materials like plastic and metal. Because its teeth are parallel to one another, spur gears are typically louder than other types gears. They aren’t commonly used in cars, but they are frequently used in plane engines.

WLY, a member of Ever-power and leading China spur gears manufacturer and supplier, provides a broad selection of spur gears for sale. Contact us today for more details!

Spur Gears for Sale

Spur gears are a common type of gear. They are also one of the easiest types of gear to manufacture. They have straight teeth that are parallel to the axis of the gear. They are also easy to mate with other spur gears.

  • Known as the common gear
  • Strong
  • Easy to manufacture
  • Cost effective
  • Makes noise under curtain types of load
  • Common use: Industrial applications where gear noise isnot a concern
Spur Gears for Sale

Characteristics of Spur Gears

The performance of spur gears is greatly influenced by the materials used in their design and production. In order to achieve optimum performance, these gears must have precise dimensions and high-quality materials. Gear design depends on the pitch circle diameter and pitch point, which are essential elements for proper gear operation.

In addition to high performance and high load carrying capacity, spur gears are known for their noiseless operation. In addition, many types of custom made spur gears are made of non-metallic materials. This type of material also provides noiseless operation and corrosion resistance. Therefore, it is important to consider materials when selecting spur gears.

Standard and custom spur gears are both available at WLY!

Spur Gears for Sale

Spur Gear Applications

Regardless of their applications, spur gears have a unique profile. The tooth surface is parallel to the shaft axis and the teeth mesh one tooth at a time. This means that bending stresses can be applied to the teeth and cause breakage.

The most common spur gear application is in low-speed applications. However, they are also used in high-speed applications. For example, they are used in aircraft engines. They are also used in auxiliary gear trains and in external gear trains.

Spur Gear Uses

Different Types of Spur Gears

Spur gears are manufactured to meet precise dimensions and inertia requirements. A spur gear can be manufactured using a variety of materials. Among the most commonly used materials are aluminum and brass. These materials are inexpensive and corrosion-resistant.

Spur gears can also be made using plastic. Plastic is a less durable material than metal, however. It is also vulnerable to temperature changes and chemical corrosion. Plastic is less expensive than metal and is able to be manufactured using injection molding.

Spur gears can be designed to reduce the noise produced. This can be accomplished by introducing negative displacements to the pinion tooth profile. Then, the contact ratio can be increased or decreased. The number of teeth and the module are two critical factors in designing spur gears. The optimum contact ratio for a gear depends on the number of teeth, the module, and the operating center distance.

Spur Gears for Sale Spur Gears for Sale

Spur Gear Advantages and Disadvantages

Spur Gear Application ExampleSpur gears are used for a variety of applications that increase/decrease speed and torque. They are commonly used in aircraft engines, trains, bicycles and various other machinery. Their advantage is their high efficiency and ability to fit into tight spaces. Spur gears are also used in ball mills, sugar mills and other industrial applications. They can be installed in almost any type of gear train and are particularly advantageous in situations where constant speed is required.

Due to their high efficiency, straight cut spur gear transmissions are widely used in modern industry. During the design phase, engineers must consider the power losses caused by spur gear drives. These losses need to be estimated to ensure a high level of efficiency. Therefore, a detailed understanding of the differences between different types of spur gearing is essential.

One disadvantage of spur gears is that they cannot transmit power between non-parallel shafts. They can also generate excessive noise when operating at high speeds. In addition, their teeth are susceptible to high stresses, which makes them less resilient than other types of gears. Although spur gears are more resilient than planetary gear motors, they are still not the best choice for high speed applications.

Several advantages of spur gears include their durability and cost effectiveness. POM is a strong and durable plastic that is commonly used in gearboxes and industrial applications. This plastic is easy to use and can be hardened into a hard, durable product. Polyacetal also offers wear resistance.

Helical Gear VS Spur Gear

Generally, helical gears are used for transferring motion between parallel or non-parallel shafts. In contrast, spur gears are used primarily for transmitting power between parallel shafts. However, helical gears are also used in conveyors, elevators, and gearboxes for the automotive industry.

In contrast to spur gears, helical gears are made with angled teeth, which make them less noisy. The gradual engagement of the teeth reduces noise and vibration, while also allowing force to be distributed over a wide area as the gear rotates. In addition, helical gears transmit more power than spur gears.

Spur gears have straight teeth that are parallel to the gear's axis. They are often used as pinion half of a rack and pinion set-up. However, spur gears are not as resilient as other gear types. They are susceptible to manufacturing errors and may not perform as efficiently. In addition, spur gears create too much noise at high speeds.

Spur gears are generally used in applications where speed is an important factor. They may be used in a worm drive, as pinion half of a rack and gear set-up, or as the pinion half of a rack and worm setup. However, spur gears are not suitable for use in non-parallel shafts. In addition, spur gears are more expensive to manufacture.

Helical gears are often confused with spur gears. In fact, they are two completely different gear types. The main difference between helical gears and spur gears is the interaction of the oblique teeth.

Helical Gear and Spur Gear

WLY is an experienced spur gear manufacturer and supplier in China. We offer China spur gears for sale at low costs! Contact us now and buy spur gears at WLY!

Additional information



pruduct quality report

Materials Available

1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
product materials available

Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
product finishing

QC & Certificate

Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

Eight reasons to choose us:


1. Perfect service system and after-sale protection.
2. Quality problems will be solved within 24hours.
3. One-to-one customer service tracking processing.
4. Companies carry out the ERP management, improve enterprise fast response.
5. Quality assurance, one year warranty.
6. Supporting professional matched other equipments.
7. The company has more than one product testing units, the implementation of ISO9001: 2015.
8. Unique development and design capabilities to meet the needs of special-purpose equipment manufacturing.


Five Core strengths:


1. The first domestic independent R & D manufacturer and 22 years of professional manufacturing.
2. Casting exquisite, beautiful, practical and durable.
3. Complete specifications, cost-effective and spot supply.
4. Independent research and development, special specifications can be customized.
5. Selected materials, high-tech treatment, up to the international standard test.

Package & Lead Time

Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port


Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shipment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.