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Heavy Duty Needle Roller Bearings (Machined) NA4909-2RSR-XL
Heavy Duty Needle Roller Bearings (Machined) NA4909-2RSR-XL

Heavy Duty Needle Roller Bearings (Machined) NA4909-2RSR-XL

The NA4909-2RSR-XL is a heavy-duty needle roller bearing with a 45mm bore and 68mm outer diameter, built from sturdy steel for long-lasting performance. It handles radial loads up to 9675 lbf and operates smoothly at speeds up to 5200 RPM.
Its double-seal design keeps contaminants out while retaining lubrication, making it ideal for harsh environments. The steel cage and rollers ensure durability under heavy loads.
This bearing is designed for press-fit mounting, simplifying installation in tight spaces. It performs well in temperatures from -20°C to 110°C, suitable for various industrial applications.
Interchangeable with INA bearings, it’s a reliable choice for replacements. Perfect for machinery like gearboxes or construction equipment where radial load capacity is crucial. Weighing 290g, it’s robust yet manageable for its size.

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Product Parameters

  • Part Number NA4909-2RSR-XL
  • Brand TFL
  • Interchangeable brand INA
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Needle
  • For Load Direction Radial
  • Construction Single Row
  • Seal Type Double Seal
  • Inner Ring Yes
  • Series With Inner Ring
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 23 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 9675 lbf
  • Static Radial Load 13275 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 5200 rpm
  • Weight 290 g

Features

How Does NA4909-2RSR-XL Bearing Handle Heavy Loads?
NA4909-2RSR-XL Bearing is built with steel rings and rollers, offering robust resistance to heavy radial loads.
Its dynamic radial load capacity reaches 9675 lbf, making it suitable for demanding industrial applications.
The double seal design protects against contaminants, ensuring smooth operation in harsh environments.
With a maximum speed of 5200 rpm, it delivers reliable performance under high-stress conditions.
Designed for Durability: NA4909-2RSR-XL Bearing
NA4909-2RSR-XL Bearing features a press-fit shaft mount, simplifying installation and reducing downtime.
The steel cage maintains roller alignment, minimising wear and extending the bearing’s lifespan.
Its temperature range of -20 to 110°C ensures consistent performance in varying conditions.
The chamfered edges at 0.6mm prevent stress concentration, enhancing durability.
Why Choose NA4909-2RSR-XL Bearing for Precision Tasks?
NA4909-2RSR-XL Bearing’s precise dimensions and tight tolerances ensure accurate performance in radial applications.
The double-sealed design keeps lubrication in and contaminants out, reducing maintenance needs.
Its static radial load capacity of 13275 lbf provides stability for heavy-duty machinery.
The steel construction offers a balance of strength and cost-effectiveness for industrial use.

Application

Industrial Uses of NA4909-2RSR-XL Bearing
NA4909-2RSR-XL Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its robust design handles high radial loads efficiently. The double seal feature helps keep contaminants out, extending its lifespan in dusty environments.
What Makes NA4909-2RSR-XL Bearing a Preferred Choice?
In automotive applications, NA4909-2RSR-XL Bearing fits well in gearboxes and drivetrains, offering reliable performance under constant stress. Its press-fit mounting ensures a secure connection, reducing the risk of slippage during operation.
Built for Heavy-Duty Use: NA4909-2RSR-XL Bearing
For automation systems, NA4909-2RSR-XL Bearing provides smooth motion in robotic arms and conveyor belts, thanks to its steel construction and needle roller design. The wide temperature range makes it suitable for various operating conditions.
Automotive vs Aerospace: Applications of NA4909-2RSR-XL Bearing
While NA4909-2RSR-XL Bearing excels in car transmissions, it’s also found in aerospace landing gear mechanisms, where durability and precision are key. The metric sizing ensures compatibility with international standards.
Where Is NA4909-2RSR-XL Bearing Used?
In household appliances like washing machines, NA4909-2RSR-XL Bearing supports rotating drums, ensuring quiet and efficient operation. Its steel rollers and cage provide the necessary strength for daily use.

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