China Good quality Track Rollers Kr35 CF-5/8 Cam Follower Needle Bearing bearing assembly

Product Description

Essential details

Bore Size:5 – 24 mm

Applicable Industries:Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Home Use, Construction works , Energy & Mining

Type:Needle, Stud Type

Brand Name:OEM

Model Number:KR35

Precision Rating:P0 P6 P5 P4 P2

Seals Type: Open

Number of Row:Single row

Place of Origin:HangZhou, China

Product Name:Yoke Type Track Rollers Needle Bearing

Material:Chrome Steel Needle Bearing

Name:Cam Follower

Packaging:Opp Bag/Box

Sample:Available

Item:Cam Follower Bearing

Clearance Cam Follower:C0, C2, C3

Lifetime: 20000

warranty: 2years

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Cage: Multiple
Rows Number: Multiple
Load Direction: Radial Bearing
Style: Without Inner Ring, With Inner Ring
Material: Bearing Steel
Type: Open
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

needle bearing

Impact of Needle Bearing Cage Materials on Performance

The choice of needle bearing cage material significantly influences the performance, durability, and overall functionality of the bearings. The cage, also known as the retainer, holds the needle rollers in place, maintaining proper spacing and alignment. Different cage materials offer varying characteristics that impact the bearing’s operation:

  • Steel Cages:

Steel cages are a common choice for needle bearings due to their durability, high strength, and resistance to wear. They are suitable for applications with high loads, moderate speeds, and normal operating temperatures. Steel cages provide excellent stability and consistent roller spacing.

  • Plastic Cages:

Plastic cages, often made from materials like polyamide (nylon), offer advantages such as low friction, reduced noise, and electrical insulation. They are commonly used in applications where low noise levels and lightweight design are essential. Plastic cages are ideal for moderate-speed applications with light to moderate loads.

  • Brass Cages:

Brass cages are valued for their high thermal stability and resistance to corrosion. They are often used in applications with elevated temperatures and aggressive environments. Brass cages maintain their structural integrity at high speeds and provide reliable performance in challenging conditions.

  • Metal-Polymer Composite Cages:

Composite cages combine the benefits of different materials, such as steel and plastic. These cages provide improved lubrication retention, reduced friction, and enhanced wear resistance. They are suitable for applications where extended maintenance intervals and low friction are desired.

  • Needle Cages:

In certain needle bearing configurations, the needles themselves act as the cage, eliminating the need for a separate cage component. This design reduces cage-related friction, contributing to improved efficiency and lower energy consumption.

When selecting the appropriate cage material for needle bearings, consider the specific requirements of the application:

  • Load and Speed:

Choose a cage material that can withstand the expected load and speed conditions without deformation or excessive wear.

  • Operating Environment:

If the bearing will operate in extreme temperatures, corrosive atmospheres, or other harsh conditions, select a cage material with the necessary resistance to maintain performance.

  • Friction and Lubrication:

Consider the friction characteristics of the cage material and how it interacts with the lubricant. Some materials reduce friction, while others may require additional lubrication.

  • Noise and Vibration:

For applications where noise reduction is important, choose a cage material that minimizes noise and vibration generation during operation.

  • Weight:

In weight-sensitive applications, select a lightweight cage material that doesn’t compromise overall system efficiency.

The cage material plays a critical role in maintaining proper needle roller alignment, reducing friction, and ensuring the longevity of needle bearings. By carefully considering the application’s demands, you can select the optimal cage material that aligns with performance goals and operating conditions.

needle bearing

Common Signs of Wear or Damage in Needle Bearings and Replacement Timing

Needle bearings, like any mechanical component, can experience wear or damage over time due to factors such as load, speed, contamination, and improper maintenance. Recognizing the signs of wear or damage in needle bearings is crucial to ensuring the continued efficiency and reliability of machinery. Here are the common signs of wear or damage and when needle bearings should be replaced:

  • Unusual Noise:

Increased noise, grinding, or rattling sounds during operation can indicate internal damage or wear in needle bearings. Unusual noise is often an early warning sign that replacement is needed.

  • Irregular Operation:

Any irregularities in the smoothness of motion, such as sticking, binding, or rough movement, can indicate that the needle bearings are no longer functioning properly.

  • Increased Friction and Heat:

If you notice higher operating temperatures or increased friction, it may suggest that the bearings are experiencing excessive wear. Elevated temperatures can lead to premature failure.

  • Visible Wear or Pitting:

Inspect the needle bearings visually for signs of wear, pitting, or corrosion on the bearing surfaces. These issues can affect the bearing’s ability to operate correctly.

  • Lubrication Issues:

Reduced lubrication can lead to increased wear and damage. If you notice inadequate lubrication or the presence of contaminants in the lubricant, it’s time to address the issue.

  • Abnormal Vibration:

If you experience unusual vibrations during operation, it could be a sign that the needle bearings are no longer providing proper support and load distribution.

  • Excessive Play or Clearance:

Excessive play or looseness in the bearing assembly can indicate that the internal components are worn out, affecting the bearing’s performance.

  • Reduced Performance:

If your machinery or equipment is not performing as expected, it could be due to deteriorating needle bearings that are no longer able to handle the required loads and speeds.

The timing for replacing needle bearings depends on factors such as the severity of wear, the application’s demands, and the manufacturer’s recommendations. In general, needle bearings should be replaced if any of the above signs are observed, as continuing to operate with damaged bearings can lead to further equipment damage, reduced efficiency, and even safety risks.

Regular maintenance, including visual inspections, proper lubrication, and adherence to manufacturer guidelines, can help extend the lifespan of needle bearings and ensure their optimal performance. When in doubt, consulting with bearing experts or manufacturers can provide guidance on when to replace needle bearings for the best results.

needle bearing

Unique Design Features of Needle Bearings and Their Benefits

Needle bearings, also known as needle roller bearings, have a distinctive design that sets them apart from other types of bearings. This unique design offers several benefits that make needle bearings well-suited for specific applications requiring compactness, high load capacity, and efficient motion. Here are the key design features of needle bearings and their associated benefits:

  • Cylindrical Rollers with High Length-to-Diameter Ratio:

Needle bearings feature cylindrical rollers with a length-to-diameter ratio much greater than conventional roller bearings. This design allows for efficient load distribution over a larger contact area, enabling needle bearings to handle high radial loads while maintaining a compact size.

  • Compact Design:

The slender profile of needle rollers results in a compact bearing design. This compactness is advantageous in applications with limited installation space or weight constraints, where traditional bearings may not fit or are too heavy.

  • Reduced Friction and Contact Angle:

Due to the smaller diameter of needle rollers, the contact angle with the bearing raceways is reduced. This leads to lower friction levels during operation, resulting in energy efficiency, reduced heat generation, and extended bearing life.

  • High Load-Carrying Capacity:

The longer cylindrical rollers of needle bearings provide a larger contact area for load distribution. This design feature enables needle bearings to handle high radial loads, making them suitable for applications requiring substantial load capacity.

  • Precise and Smooth Motion:

Needle bearings offer smoother and more precise rolling motion due to their reduced friction and smaller contact area. This characteristic is essential for applications demanding accurate and controlled movement.

  • High Rigidity and Stiffness:

Despite their slender appearance, needle bearings exhibit high rigidity and stiffness. This attribute ensures minimal deflection under load and precise positioning, making them suitable for applications with strict tolerance requirements.

  • Versatility and Adaptability:

The unique design of needle bearings allows for their use in various industries and applications. They can excel in situations where high load capacity and compact design are crucial, such as in automotive, aerospace, and industrial machinery.

  • Reduced Heat Generation:

Efficient load distribution and reduced friction contribute to lower heat generation during operation. This not only prolongs bearing life but also enhances overall system efficiency.

  • Weight Reduction:

Due to their compact design, needle bearings result in lightweight components. This is particularly beneficial in applications where minimizing weight is essential, such as in aerospace and automotive systems.

  • Long Service Life:

The combination of efficient load handling, reduced friction, and durable materials contributes to extended bearing longevity. This can lead to decreased maintenance requirements and increased equipment uptime.

Overall, the unique design features of needle bearings offer numerous benefits that align with specific application requirements, making them a valuable solution for scenarios where their attributes are advantageous.

China Good quality Track Rollers Kr35 CF-5/8 Cam Follower Needle Bearing   bearing assemblyChina Good quality Track Rollers Kr35 CF-5/8 Cam Follower Needle Bearing   bearing assembly
editor by CX 2024-04-10

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