spare koyo 30207 tapered roller bearing differential pinion manufacture japanese original quality

35mm*72mm*18.25

mm

Single row tapered roller bearings

Single row tapered roller bearings are designed to accommodate combined radial and axial loads and provide low friction during operation. 

The inner ring, with rollers and cage, can be mounted separately from the outer ring. 

These separable and interchangeable components facilitate mounting, dismounting and maintenance. 

By mounting one single row tapered roller bearing against another and applying a preload, a rigid bearing application can be achieved.

High radial and axial load carrying capacity accommodate axial loads in one direction. 

It has Low friction and long service life, eparable and interchangeable components.

Installation Method and Usage Precautions of Tapered Roller Bearings: :                                                 

Tapered roller bearings are commonly used in various machinery and equipment for their ability to support high radial and axial loads. 

Proper installation and maintenance are crucial to ensure their performance and longevity. 

 

Installation Method: 

 

1.Clean the shaft and housing before installation to remove any dirt or debris that could affect the bearing's performance. 

2.Apply a thin layer of lubricant to the bearing surfaces to reduce friction during installation. 

3.Use a suitable tool, such as a press or a mounting sleeve, to apply force evenly on the inner ring while mounting the bearing onto the shaft. 

4.Ensure that the bearing is seated properly and securely on the shaft without any misalignment. 

5.Install the bearing housing carefully to avoid any damage to the bearing or the housing itself. 

6.Tighten the mounting bolts to the recommended torque values to secure the bearing in place. 

Usage Precautions: 

 

1.Regularly inspect the bearing for any signs of wear, damage, or contamination. Replace the bearing if any abnormality is detected. 

2.Monitor the operating temperature of the bearing to prevent overheating, which can lead to premature failure. 

3.Maintain the proper lubrication level and replenish the lubricant as needed to ensure smooth operation. 

4.Avoid overloading the bearing beyond its rated capacity to prevent excessive wear and potential failure. 

5.Protect the bearing from contaminants such as dust, dirt, and moisture, which can accelerate wear and reduce the bearing's lifespan. 

6.Follow the manufacturer's recommendations for maintenance intervals and procedures to prolong the bearing's service life. 

In conclusion, proper installation and regular maintenance are essential for ensuring the reliable performance of tapered roller bearings. 

By following the recommended installation method and usage precautions, you can maximize the bearing's efficiency and durability in your machinery and equipment.

Introduction about Tapered Roller Bearings                                                                                                                                               

The KOYO 30207 tapered roller bearing is a precision-engineered component designed for use in differential pinion applications,

where high radial and axial load capacities are required.

This Japanese original bearing is known for its durability and reliability, ensuring smooth operation under demanding conditions.

Specifications:

• Minimum Inner Diameter (da): 43.5 mm

• Maximum Outer Diameter (Da): 63.5 mm

• Minimum Shaft Width (Sa): 3 mm

• Minimum Housing Width (Sb): 3 mm

• Maximum Fillet Radius (ra): 1.5 mm

• Maximum Fillet Radius (rb): 1.5 mm 

• Inner Diameter (d): 35 mm

• Outer Diameter (D): 72 mm

• Width (T): 18.25 mm

• Bolt Size (B): 17 mm

• Cup Size (C): 15 mm

• Minimum Radius (r): 1.5 mm

• Basic Dynamic Load Rating (Cr): 68.8 kN

• Basic Static Load Rating (C0r): 60.9 kN

• Fatigue Load Limit (Cu): 8.95 kN

• Limiting Speeds (Grease Lubrication): 5600 min-1

• Limiting Speeds (Oil Lubrication): 7400 min-1

• Load Center Spread (a): 15.3 mm

• Axial Load Factors (Y1): 1.60

• Axial Load Factors (Y0): 0.88

Mounting Dimensions:

• Minimum Inner Diameter (da): 43.5 mm

• Maximum Outer Diameter (Da): 63.5 mm

• Minimum Shaft Width (Sa): 3 mm

• Minimum Housing Width (Sb): 3 mm

• Maximum Fillet Radius (ra): 1.5 mm

• Maximum Fillet Radius (rb): 1.5 mm

Design and Construction:

The KOYO 30207 bearing features a single-row tapered roller design, where the outer ring, inner ring, 

and rollers have tapered surfaces that converge at a common point on the bearing axis. 

This design allows the bearing to handle both radial and axial loads simultaneously, making it suitable for applications involving heavy or impact loading

Applications:

This bearing is ideal for use in differential pinion assemblies, where it can support the high loads and torque experienced during vehicle operation. 

Its ability to handle combined loads and provide low friction makes it a popular choice in the automotive industry

Quality and Availability:

As a Japanese original product, the KOYO 30207 tapered roller bearing is manufactured to the highest quality standards, ensuring reliability and performance. 

It is available through KOYO's global distribution network, ensuring that customers receive genuine, high-quality bearings

For further details on this product please directly contact our sales department under shh@dmsw.com

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