KOYO 32217 jr Single Row Tapered Roller Bearing orginal

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 32217 JR is a single row tapered roller bearing designed for high precision and durability in various industrial applications.

This bearing is known for its ability to handle both radial and axial loads, making it a versatile choice for machinery that requires robust support.

1. Specifications:

Inner diameter (d): 85 mm

Outer diameter (D): 150 mm

Width (T): 38.5 mm

Basic dynamic load rating (Cr): 290 kN

Basic static load rating (C0r): 315 kN

Fatigue load limit (Cu): 47.5 kN

Limiting speeds (Grease lubrication): 2500 min-1

Limiting speeds (Oil lubrication): 3400 min-1

Load center spread (a): 34.2 mm

Axial load factors (Y1): 1.43

Axial load factors (Y0): 0.79

Minimum radius (r): 2.5 mm

Minimum radius (r1): 2 mm




2. Mounting Dimensions:

Minimum inner diameter (da): 97 mm

Maximum inner diameter (db): 96 mm

Maximum outer diameter (Da): 140 mm

Minimum outer diameter (da): 130 mm

Minimum outer diameter (db): 142 mm

Minimum shaft width (Sa): 5 mm

Minimum housing width (Sb): 8.5 mm

Maximum fillet radius (ra): 2 mm

Maximum fillet radius (rb): 2 mm




3. Design and Construction:

• The KOYO 32217 JR bearing is a single row tapered roller bearing with a conical angle between 10° and 19° on the outer ring raceway,

  which allows it to withstand the combined action of axial and radial loads simultaneously.

  The larger the cone angle, the greater the ability to bear axial load.

• The bearing consists of an outer ring, an inner ring, and a set of tapered rollers enclosed by a cage.

4. Applications:

   This bearing is widely used in industries such as automotive, rolling mills, mining, metallurgy,

   and plastic machinery due to its ability to handle high loads and operate efficiently under various conditions.

5. Material and Precision:

   The bearing is made of steel, with steel being the material for both the inner and outer rings.

   The precision grade is JIS Grade 0, indicating a high level of precision.

6. Clearance:

7. The bearing has a clearance sign of CN, which is the standard clearance for tapered roller bearings.

The KOYO 32217 JR single row tapered roller bearing is a high-performance component designed for reliability and longevity in demanding industrial settings.

Its robust construction and precise specifications make it a popular choice for engineers and technicians looking for a dependable bearing solution.

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

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