The NA4903-RSR-XL is a heavy-duty needle roller bearing with a 17mm bore and 30mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 2250 lbf and spins smoothly at speeds up to 12000 RPM.
Its single-seal design helps keep contaminants out while retaining lubrication, making it durable in demanding conditions. The steel cage and rollers ensure long-lasting operation, even under heavy use.
This bearing is designed for press-fit mounting, simplifying installation in tight spaces. It works well in temperatures from -20°C to 110°C, suitable for various industrial environments.
Ideal for applications like gearboxes, pumps, or automotive components where space is limited but high load capacity is needed. Compliant with RoHS standards, it’s a practical choice for replacements, especially where INA bearings are specified.
Weighing just 40g, it’s lightweight yet robust, with a compact 14mm width for easy integration into machinery.
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How Does NA4903-RSR-XL Bearing Handle Heavy Loads?
NA4903-RSR-XL Bearing is built with steel rings and rollers, offering robust resistance to heavy radial loads.
Its dynamic radial load capacity reaches 2250 lbf, ensuring dependable performance in tough conditions.
The single seal design helps keep contaminants out while maintaining lubrication for smooth operation.
With a maximum speed of 12,000 rpm, it delivers both durability and high-speed efficiency.
Designed for Durability: NA4903-RSR-XL Bearing
NA4903-RSR-XL Bearing features a press-fit shaft mount, simplifying installation and reducing slippage risks.
The steel cage and rollers enhance wear resistance, making it suitable for long-term use.
Its compact width of 14 mm allows for space-saving designs without compromising strength.
Operating between -20 to 110°C, it performs reliably in varied temperature conditions.
Why Choose NA4903-RSR-XL Bearing for Precision Tasks?
NA4903-RSR-XL Bearing’s precision-machined rollers ensure minimal friction and consistent performance.
The single-row construction provides stability, ideal for applications requiring radial load support.
Its chamfered edges (0.3 mm) facilitate easier mounting and reduce stress concentrations.
Compliant with RoHS standards, it meets environmental and safety requirements.
Performance Features of NA4903-RSR-XL Bearing
NA4903-RSR-XL Bearing’s steel construction offers excellent strength-to-weight ratio, weighing just 40 g.
The required lubrication ensures smooth operation, reducing heat buildup and wear.
With a static radial load capacity of 2475 lbf, it handles high-stress scenarios effectively.
Its 17 mm bore diameter is precision-toleranced for secure press-fit applications.
Industrial Uses of NA4903-RSR-XL Bearing
NA4903-RSR-XL Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its robust design handles high radial loads with ease. The steel construction ensures durability even in demanding environments.
Where Is NA4903-RSR-XL Bearing Used?
You’ll often find NA4903-RSR-XL Bearing in automotive applications like gearboxes and transmissions, where its compact size and high load capacity are ideal. The press-fit design also makes installation straightforward for mechanics.
Built for Heavy-Duty Use: NA4903-RSR-XL Bearing
NA4903-RSR-XL Bearing excels in industrial automation, particularly in conveyor systems and robotic arms, where precision and reliability are key. Its single seal helps keep contaminants out, extending service life.
Automotive vs Industrial: Applications of NA4903-RSR-XL Bearing
In automotive settings, NA4903-RSR-XL Bearing supports high-speed components like driveshafts, while in industrial gear, it’s trusted for its ability to withstand constant heavy loads. The metric sizing ensures compatibility across various machines.
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