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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
92% of respondents would recommend this to a friend
USD 37
Price Details
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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
Product Details
| Brand Name | INA |
| Bearing Number | RNA4902 |
| Bearing Type | Roller Bearing |
| UPC | 035373109821 |
| Global Trade Identification Number | 00035373109821 |
| Part Number | RNA4902 |
| Manufacturer | INA |
| Model | RNA4902 |
| Item Dimensions | 0.79 x 0.51 x 1.1 inches (2 x 1.3 x 2.8 cm) |
| Item Weight | 21.7 Grams |
| Material Type | Alloy Steel |
| Compatible Lubricant | Grease |
| Specification Met | ISO 1206 |
| Brand | INA |
| Material | Alloy Steel |
| Item dimensions L x W x H | 0.79 x 0.51 x 1.1 inches (2 x 1.3 x 2.8 cm) |
Who Should Buy?
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Machinery Maintenance
Ideal for maintenance teams to replace worn bearings in heavy machinery and equipment, ensuring optimal performance.
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Automotive Applications
Suitable for automotive repair shops needing high-speed, durable bearings for vehicle assemblies and components.
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Robotics and Automation
Great for robotics manufacturers looking for reliable and precise components in automated systems and machinery.
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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
Customer Questions & Answers
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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 British Virgin Islands?
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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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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USD 37
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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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