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INA RNA4902 Precision Needle Roller Bearing, Steel Cage, Open End, Oil Hole, Metric, 20mm ID, 28mm OD, 13mm Width, 22000rpm Maximum Rotational Speed
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INA RNA4902 Precision Needle Roller Bearing, Steel Cage, Open End, Oil Hole, Metric, 20mm ID, 28mm OD, 13mm Width, 22000rpm Maximum Rotational Speed
High load-carrying capacity with a reduced cross-section for use in restricted spaces.
INA RNA4902 Precision Needle Roller Bearing, Steel Cage, Open End, Oil Hole, Metric, 20mm ID, 28mm OD, 13mm Width, 22000rpm Maximum Rotational Speed
INA

Item #: 100360767

INA RNA4902 Precision Needle Roller Bearing, Steel Cage, Open End, Oil Hole, Metric, 20mm ID, 28mm OD, 13mm Width, 22000rpm Maximum Rotational Speed

92% of respondents would recommend this to a friend

Item #: 100360767

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High load-carrying capacity with a reduced cross-section for use in restricted spaces.
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What Stands Out

High Rotational Speed
The INA RNA4902 supports up to 22,000 RPM, ensuring efficient performance for high-speed applications while maintaining durability and reliability as a precision needle roller bearing.
Steel Cage Design
Constructed with a robust steel cage, this bearing offers superior load distribution and longevity, minimizing wear and ensuring consistent operation in demanding environments.
Oil Hole Feature
Equipped with an oil hole for easy lubrication, the INA RNA4902 minimizes friction and enhances service life, making maintenance simpler and prolonging the bearing's operational efficiency.

Product Details

Shop INA RNA4902 Precision Needle Roller Bearing, Steel Cage, Open End, Oil Hole, Metric, 20mm ID, 28mm OD, 13mm Width, 22000rpm Maximum Rotational Speed online at a best price in The Bahamas. B007D3YTFY
Brand NameINA
Bearing NumberRNA4902
Bearing TypeRoller Bearing
UPC035373109821
Global Trade Identification Number00035373109821
Part NumberRNA4902
ManufacturerINA
ModelRNA4902
Item Dimensions0.79 x 0.51 x 1.1 inches (2 x 1.3 x 2.8 cm)
Item Weight21.7 Grams
Material TypeAlloy Steel
Compatible LubricantGrease
Specification MetISO 1206
BrandINA
MaterialAlloy Steel
Item dimensions L x W x H0.79 x 0.51 x 1.1 inches (2 x 1.3 x 2.8 cm)

Who Should Buy?

Suitable For
  • Machinery Maintenance

    Ideal for maintenance teams to replace worn bearings in heavy machinery and equipment, ensuring optimal performance.

  • Automotive Applications

    Suitable for automotive repair shops needing high-speed, durable bearings for vehicle assemblies and components.

  • Robotics and Automation

    Great for robotics manufacturers looking for reliable and precise components in automated systems and machinery.

Not Suitable For
  • Low Rotation Speed

    Not suitable for applications with low rotational speeds, as there are better options available for those conditions.

Product Description

INA RNA4902 Precision Needle Roller Bearing, Steel Cage, Open End, Oil Hole, Metric, 20mm ID, 28mm OD, 13mm Width, 22000rpm Maximum Rotational Speed

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the application of the INA RNA4902 Precision Needle Roller Bearing?

    Answer: The INA RNA4902 Precision Needle Roller Bearing is designed for high-precision applications in various machinery and automotive systems. Its compact size and high load capacity make it suitable for use in tight spaces, providing essential support to rotating shafts while reducing friction. This bearing is especially effective in applications requiring high rotational speeds and minimal axial space, such as electric motors, pumps, and gearboxes.
  • Question: What are the benefits of a steel cage in the INA RNA4902 bearing?

    Answer: The steel cage in the INA RNA4902 bearing offers enhanced durability and strength, providing added support to the needle rollers. This design helps maintain proper spacing between the rollers, reducing wear and extending the bearing's lifespan. Additionally, the steel cage allows for smoother operation at higher speeds, ensuring optimal performance in demanding conditions and making it an excellent choice for high-speed machinery.
  • Question: How does the open end design of the INA RNA4902 bearing affect its functionality?

    Answer: The open end design of the INA RNA4902 bearing facilitates the ingress of lubricants and the egress of contaminants, which is crucial for maintaining optimal lubrication. This design feature is particularly beneficial in environments where regular maintenance is performed, as it allows for effective lubricant replenishment, enhancing the bearing's overall performance in applications such as conveyor systems and material handling equipment.
  • Question: What is the importance of the oil hole in the INA RNA4902 roller bearing?

    Answer: The oil hole in the INA RNA4902 roller bearing is a critical feature that allows for direct lubrication access, ensuring that the needle rollers receive adequate oil supply during operation. This direct lubrication helps in reducing friction and wear, which can prolong the lifespan of the bearing, making it ideal for applications in heavy machinery where reducing downtime is essential for operational efficiency.
  • Question: What is the maximum rotational speed of the INA RNA4902 bearing, and why is it relevant?

    Answer: The INA RNA4902 bearing has a maximum rotational speed of 22,000 RPM, which indicates its capability to perform effectively under high-speed conditions. This feature is crucial for applications such as electric motors and high-speed gear systems, where maintaining consistent performance at elevated speeds is necessary to prevent failure and ensure reliable operation.
  • Question: Is the INA RNA4902 bearing suitable for high-load applications?

    Answer: Yes, the INA RNA4902 Precision Needle Roller Bearing is well-suited for high-load applications due to its needle design, which distributes loads over a larger surface area. This feature enables the bearing to handle significant radial loads while maintaining low friction, making it ideal for applications such as manufacturing equipment, automotive systems, and other machinery that require robust load support.
  • Question: Can the INA RNA4902 bearing be used in both radial and thrust applications?

    Answer: The INA RNA4902 bearing excels primarily in radial applications due to its design. However, it can also support light thrust loads in specific configurations. It is essential to assess the load requirements of your application to ensure optimal performance, as the primary function of this bearing is to support radial loads effectively.
  • Question: What materials is the INA RNA4902 bearing made from?

    Answer: The INA RNA4902 bearing is constructed from high-quality steel, selected for its strength and durability. The steel used in its manufacturing process is treated to withstand wear and high temperatures, ensuring longevity and reliability in demanding environments. This robust construction makes the bearing suitable for various industrial applications, including automotive and machinery use.
  • Question: How should I maintain the INA RNA4902 roller bearing?

    Answer: Maintaining the INA RNA4902 roller bearing primarily involves ensuring a proper lubrication regime. Regularly check the lubrication levels through the oil hole and replenish as needed to prevent excessive friction and wear. Additionally, monitor the bearing for signs of contamination or excess heat during operation, as this may indicate the need for cleaning or further maintenance to ensure reliable performance.
  • Question: Where can I buy the INA RNA4902 Precision Needle Roller Bearing in The Bahamas?

    Answer: You can purchase the INA RNA4902 Precision Needle Roller Bearing through Ubuy, a trusted online shopping platform. Ubuy offers a variety of industrial components, including this high-quality needle roller bearing, ensuring you have access to dependable products for your needs. Visit their website to find the INA RNA4902 bearing easily.

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Features & Benefits

  • Ideal for high dynamic and static load applications.
  • Features a high load-carrying capacity.
  • Reduced cross-section makes it suitable for tight spaces.
  • Steel cage ensures reduced friction, vibration, and noise.
  • Rollers made from durable, through-hardened high-carbon chromium steel.
  • Factory lubricated for maintenance-free operation within a wide temperature range.

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