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Heavy Duty Needle Roller Bearings (Machined) NA4901-RSR-XL
Heavy Duty Needle Roller Bearings (Machined) NA4901-RSR-XL

Heavy Duty Needle Roller Bearings (Machined) NA4901-RSR-XL

The NA4901-RSR-XL is a sturdy needle roller bearing with a 12mm bore and 24mm outer diameter, crafted from durable steel. It handles radial loads up to 1935 lbf and spins efficiently at speeds up to 13,900 RPM.
Its single-seal design keeps contaminants out while maintaining smooth operation, and the steel cage ensures reliability. The bearing is press-fit for secure mounting and works in temperatures from -20°C to 110°C.
This model is interchangeable with INA bearings, making it a practical choice for replacements. Perfect for applications like gearboxes or small machinery where space is limited but performance is key.
Weighing just 27.5g, it’s lightweight yet robust. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number NA4901-RSR-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 Single Seal
  • Inner Ring Yes
  • Series With Inner Ring
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 14 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 1935 lbf
  • Static Radial Load 1868 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 13900 rpm
  • Weight 27.5 g

Features

How Does NA4901-RSR-XL Bearing Handle Heavy Loads?
NA4901-RSR-XL Bearing is built with steel rings and rollers, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 1935 lbf, ensuring reliable performance in demanding conditions.
The single seal design helps keep contaminants out, extending the bearing’s service life.
With a maximum speed of 13,900 rpm, it balances durability and high-speed operation.
Why Choose NA4901-RSR-XL Bearing for Precision Tasks?
NA4901-RSR-XL Bearing’s precision-engineered steel rollers ensure smooth and accurate radial movement.
The press-fit shaft mount type simplifies installation, saving time and effort.
Its compact design, with a width of just 14 mm, makes it ideal for space-constrained applications.
The bearing operates efficiently within a temperature range of -20 to 110 °C.
Engineered for Reliability: NA4901-RSR-XL Bearing
NA4901-RSR-XL Bearing features a robust steel construction, enhancing its durability under heavy loads.
The single seal protects against dust and debris, reducing maintenance needs.
Its high-speed capability of 13,900 rpm ensures reliable performance in fast-moving applications.
The bearing’s precise tolerances contribute to its long service life and consistent operation.
What Ensures Smooth Operation in NA4901-RSR-XL Bearing?
NA4901-RSR-XL Bearing’s steel rollers and cage work together to minimise friction and noise.
The single seal design prevents contamination, ensuring smooth and uninterrupted performance.
Its press-fit mounting type provides a secure fit, reducing vibration and wear.
The bearing’s compact dimensions make it suitable for a wide range of industrial applications.
Designed for Durability: NA4901-RSR-XL Bearing
NA4901-RSR-XL Bearing’s all-steel construction provides excellent resistance to wear and tear.
The single seal enhances protection against harsh environments, extending its lifespan.
With a static radial load capacity of 1868 lbf, it handles heavy-duty applications with ease.
The bearing’s high-speed performance makes it a reliable choice for demanding machinery.

Application

Industrial Uses of NA4901-RSR-XL Bearing
NA4901-RSR-XL Bearing is commonly used in heavy-duty machinery, such as construction equipment and agricultural tools, where its needle roller design handles high radial loads efficiently. The single seal helps keep contaminants out, extending its service life in rough environments.
What Makes NA4901-RSR-XL Bearing a Preferred Choice?
In automotive applications, NA4901-RSR-XL Bearing fits well in gearboxes and transmission systems, offering reliable performance under constant stress. Its press-fit design ensures a secure mount, reducing the risk of slippage during operation.
Built for Heavy-Duty Use: NA4901-RSR-XL Bearing
For automation systems, NA4901-RSR-XL Bearing works smoothly in robotic arms and conveyor belts, thanks to its steel construction and high-speed capability. The compact size makes it ideal for space-constrained setups without compromising on strength.
Light-Duty vs Heavy-Duty: Best Uses for NA4901-RSR-XL Bearing
In consumer electronics like printers, NA4901-RSR-XL Bearing provides quiet and precise movement, ensuring consistent performance over time. Its metric dimensions make it easy to integrate into various European and Asian device designs.

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