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Wood, Sawdust, and Rice Husk Pellet Machines are essential equipment in the biomass energy production industry. Their performance and lifespan greatly depend on the quality of components—among which bearings play a critical role. Bearings are responsible for reducing friction, allowing shafts to rotate smoothly and reliably, ensuring continuous and stable production.

Kien Thanh Tin specializes in supplying industrial-grade bearings, particularly those used in biomass pellet machines. With trusted brands like Win and Kyo, we are committed to delivering high-quality products that meet both technical standards and cost-efficiency requirements.

Why Are Bearings Important for Wood Pellet Machines?

• Reduce Friction, Improve Efficiency: Bearings reduce friction between moving parts, allowing the machine to operate smoothly and save energy.
• Extend Machine Lifespan: High-quality bearings help extend the life of other machine components, minimizing maintenance and repair costs.
• Ensure Product Quality: Stable bearing performance helps pellet machines produce consistently high-quality pellets.

Common Bearing Models Used in Wood Pellet Machines

Depending on the machine type and origin, different bearings may be used. Below are some commonly used bearings in wood pellet machines:

• Bearings for Rollers: 32222; 32224; 32226; 32228; 30322; 30324; 32321; 32230; NJ2222M; NJ2224M; NJ2330M… Among these, the most frequently used bearings for rollers are tapered roller bearings with codes starting with 3xxxx.

Some Common Roller Bearing Models for Pellet Machines

• Thrust Bearings for Vertical Shaft Machines: 29434M; 29440M; 29444M; 29448M; 29452M; 29456M…
  Among these, thrust bearings with codes starting with 29xxx are commonly used for vertical shafts that bear upward axial loads.

Một số mã vòng bi cho máy trục đứng

• Bearings for Gearboxes and Wood Chippers, Pillow Blocks for Conveyors, etc., including:

  • Wood Chippers: 22xx; 23xx

  • Pillow Blocks: UCP3xx; UCF3xx; UCT3xx; UKP3xx; UCFL3xx

How to Choose the Right Bearings for Wood Pellet Machines

• Identify the Machine Type: Each type of wood pellet machine (vertical shaft, horizontal shaft, biomass pellet press) has different structures and bearing requirements. For example, vertical shaft machines often require bearings that can withstand high radial loads, while horizontal shaft machines may need bearings designed for combined loads.

• Determine the Installation Position: Each bearing position on the machine is subject to different loads and working conditions. For instance, bearings installed on the main shaft typically endure higher loads compared to those on the transmission shaft.

• Assess Load and Rotational Speed: The load and rotational speed of the shaft will determine the appropriate size and type of bearing to use.

Kien Thanh Tin – Trusted Supplier of Genuine Bearings for Wood and Rice Husk Pellet Machines

Kien Thanh Tin is one of the leading suppliers of high-quality bearings for wood and rice husk pellet machines in Vietnam. With 13 years of experience in the bearing industry and a network of over 400 partners nationwide, we are committed to:

• Genuine, high-quality products that help optimize your operation and maintenance costs.

• Extensive inventory: Kien Thanh Tin stocks over 2,500 SKUs and operates a 3,500 m² warehouse, ready to meet every demand for bearings and belts across the market—with stable and competitive pricing for our partners.

• Attractive discount policies based on order volume.

• Dedicated support from an experienced team of consultants and engineers.

Conclusion

Bearings play a crucial role in ensuring the performance and longevity of wood pellet machines. Proper selection and maintenance of bearings are key factors that determine the success of the biomass pellet production process.

Kien Thanh Tin is proud to be a trusted partner in the bearing supply industry. Contact us today for professional consultation and dedicated support.

Industrial bearings are essential mechanical components that reduce friction and support rotational or linear motion in machinery systems. They help improve operating efficiency, reduce wear, and extend equipment lifespan. Depending on their design and function, bearings can support radial loads, axial loads, or both.

ome Common Types of Industrial Bearings

1. Classification of Industrial Bearings

There are several ways to classify bearings. Below are the most common groups based on design and application:

1.1. Ball Bearings

Ball bearings are the most widely used type. They use balls placed between two raceways to minimize friction. They offer good radial load capacity and high-speed performance but are limited under heavy axial loads. Thanks to their simple design and high efficiency, ball bearings are used in electric motors, water pumps, gearboxes, and industrial fans.

Kyo bearing

Popular types:

• Single Row Ball Bearings (e.g., 60xx, 62xx, 63xx)

• Double Row Ball Bearings – better load capacity

• Angular Contact Ball Bearings (e.g., 52xx, 32xx, 72xx, 73xx) – good axial load support.

1.2. Cylindrical Roller Bearings

These bearings use cylindrical rollers instead of balls, increasing contact area and radial load capacity. They offer low friction and high-speed operation but are not ideal for heavy axial loads. Commonly used in industrial gearboxes, crushers, and steel mills.

Industrial Cylindrical Roller Bearings

Common Types of Cylindrical Roller Bearings:

• Single Row Cylindrical Roller Bearings (NU, NJ, NUP, N, NF) – suitable for high-speed applications with medium load capacity.

• Double Row Cylindrical Roller Bearings (NN, NNU) – designed for heavier load conditions.

• Full Complement Cylindrical Roller Bearings – support very high loads but operate at lower speeds due to the absence of a cage.

1.3. Tapered Roller Bearings

Tapered roller bearings use conical-shaped rollers that can support both radial and axial loads simultaneously. These bearings are capable of handling very heavy loads and offer excellent shock resistance, although they generate more friction compared to ball bearings. They are commonly used in trucks, industrial gearboxes, and metal pressing machines.

Kyo Tapered Roller Bearings

Common Types of Tapered Roller Bearings:

• Single Row Tapered Roller Bearings – designated as 302xx, 303xx, 320xx.

• Double Row Tapered Roller Bearings – provide increased load-carrying capacity.

1.4. Self-Aligning Ball Bearings

Self-aligning ball bearings have two rows of balls and a spherical raceway that allows for automatic alignment, helping reduce the effects of shaft misalignment during operation. These bearings feature low friction and moderate load capacity, making them suitable for industrial pumps, high-capacity fans, and electric motors. Popular series: 12xx, 13xx, 22xx, 23xx.

Self-Aligning Ball Bearings

1.5. Needle Roller Bearings

Needle roller bearings use long, thin cylindrical rollers with small diameters, allowing them to support high loads in compact spaces. However, they are not suitable for high-speed rotation. These bearings are commonly used in automotive transmissions, printers, and machine tools. Popular series: NK, NKI, RNA, HK.

Vòng bi kim công nghiệp

1.6. Thrust Bearings

Thrust bearings are specifically designed to support axial loads and come in two main types: thrust ball bearings and thrust roller bearings. Thrust ball bearings are suitable for light loads and high-speed applications, while thrust roller bearings can handle heavier axial loads. They are commonly used in turntables and industrial rotary systems.

Industrial Thrust Bearings

Popular types:

• Thrust Ball Bearings – light loads, 511xx, 512xx

• Thrust Roller Bearings – heavy loads, 293xx, 294xx

2. How to Choose the Right Bearing

When selecting a bearing for machinery, consider the following:

• Load type: Choose based on radial and/or axial load requirements

• Rotational speed: Ball bearings handle high speeds, roller bearings handle heavy loads

• Operating environment: Dusty or high-temperature environments require special lubrication

3. Where to Buy Genuine Industrial Bearings

Kien Thanh Tin is one of the leading authorized bearing distributors in Vietnam, especially trusted by industrial factories requiring bulk quantities. With years of experience, we provide genuine, high-quality products at competitive prices.

KTT Store – Genuine Bearings and Belts

• Hotline: 088 886 18 06

• Store: store.kienthanhtin.com/

• Address: 66 An Duong Vuong, An Lac A, Binh Tan, HCMC

• Website: https://kienthanhtin.com/

Conclusion

Industrial bearings play a crucial role in various industries. Understanding the different types and their applications helps engineers, procurement teams, and factory owners select the most suitable products. If you need high-quality bearings, contact Kien Thanh Tin for expert advice and the best pricing.