KOYO 30307 balineras tapered roller bearing japan orginal quality for reliable performance

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 30307 JR is a high-quality, single-row tapered roller bearing that originates from Japan, known for its precision engineering and durability.

This bearing is designed to handle a combination of radial and axial loads, making it suitable for a variety of industrial applications.

1. Specifications:

Inner Diameter (d): 35 mm

Outer Diameter (D): 80 mm

Width (T): 22.75 mm

Bolt Size (B): 21 mm

Cup Size (C): 18 mm

Minimum Radius (r): 2 mm

Minimum Radius (r1): 1.5 mm

Basic Dynamic Load Rating (Cr): 78.7 kN to 95.2 kN 

Basic Static Load Rating (C0r): 69.1 kN to 78.9 kN 

Fatigue Load Limit (Cu): 9.85 kN to 12.0 kN

Limiting Speeds (Grease Lubrication): 4300 min-1 to 5200 min-1

Limiting Speeds (Oil Lubrication): 6000 min-1 to 6900 min-1

Load Center Spread (a): 16.9 mm to 26.8 mm 

2. Mounting Dimensions:

Minimum Inner Diameter (da): 45 mm

Maximum Inner Diameter (db): 44 mm to 45 mm 

Maximum Outer Diameter (Da): 70 mm

Minimum Outer Diameter (da): 66 mm to 70 mm 

Minimum Outer Diameter (db): 74 mm

Minimum Shaft Width (Sa): 3 mm

Minimum Housing Width (Sb): 4.5 mm to 7.5 mm

Maximum Fillet Radius (ra): 2 mm

Maximum Fillet Radius (rb): 1.5 mm

3. Design and Construction:

   The KOYO 30307 JR bearing features a tapered 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 heavy or impact loading.

4. Applications:

   This bearing is suitable for applications involving heavy or impact loading, such as in automotive, construction,

   and industrial machinery where high load capacity and reliability are required.

5. Material and Precision:

   Made from high-quality materials, the KOYO 30307 JR bearing ensures durability and reliability under demanding conditions.

   It is manufactured to precise standards, ensuring a long service life and optimal performance.

6. Availability:

   Genuine KOYO 30307 JR tapered roller bearings are available through KOYO's global network and distribution channels,

   ensuring authenticity and quality.

   
   

The KOYO 30307 JR tapered roller bearing is a testament to KOYO's commitment to quality and performance.

Its robust design and construction make it a reliable choice for engineers and technicians seeking a high-performance bearing solution.

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

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