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Heavy Duty Needle Roller Bearings (Machined) NA4910-2RSR-XL
Heavy Duty Needle Roller Bearings (Machined) NA4910-2RSR-XL

Heavy Duty Needle Roller Bearings (Machined) NA4910-2RSR-XL

The NA4910-2RSR-XL is a heavy-duty needle roller bearing with a 50mm bore and 72mm outer diameter, built from sturdy steel for long-lasting performance. It handles radial loads up to 10125 lbf and operates smoothly at speeds up to 4700 RPM.
Its double-seal design keeps contaminants out while retaining lubrication, making it low-maintenance. The steel cage and rollers ensure durability even under heavy use, with a temperature range of -20°C to 110°C.
This bearing is press-fit mounted, ideal for applications where space is limited but high load capacity is needed. It’s interchangeable with INA bearings, offering a reliable replacement option.
Weighing 295g, it’s robust yet compact, suitable for industrial machinery or automotive systems. Compliant with RoHS standards for safe and eco-friendly use.

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Product Parameters

  • Part Number NA4910-2RSR-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 50 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 72 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 10125 lbf
  • Static Radial Load 14400 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 4700 rpm
  • Weight 295 g

Features

How Does NA4910-2RSR-XL Bearing Resist Wear?
NA4910-2RSR-XL Bearing features a double-sealed design, protecting against contaminants that cause wear.
Its steel construction ensures durability, even under high radial loads up to 10125 lbf.
The needle roller design maximises load distribution, reducing stress on individual components.
With a maximum speed of 4700 rpm, it maintains performance in demanding applications.
NA4910-2RSR-XL Bearing’s press-fit shaft mount simplifies installation while ensuring stability.
Its temperature range of -20 to 110°C makes it suitable for various operating conditions.

Application

Industrial Uses of NA4910-2RSR-XL Bearing
NA4910-2RSR-XL Bearing is commonly used in heavy machinery like construction equipment and hydraulic pumps, where its robust design handles high radial loads effortlessly. The double seal ensures protection against contaminants, extending its lifespan in harsh environments.
In automotive applications, NA4910-2RSR-XL Bearing fits well in gearboxes and drivetrains, providing reliable performance under constant stress. Its press-fit mounting makes installation straightforward, saving time during assembly.
For automation systems, NA4910-2RSR-XL Bearing supports robotic arms and conveyor belts, offering smooth movement with minimal maintenance. The steel construction ensures durability even in high-speed operations.
Where Is NA4910-2RSR-XL Bearing Used?
NA4910-2RSR-XL Bearing is ideal for industrial fans and compressors, where its needle roller design reduces friction and improves efficiency. The metric dimensions make it compatible with a variety of European machinery.
In household appliances like washing machines, NA4910-2RSR-XL Bearing provides quiet and reliable operation. Its double-sealed design keeps out dust and moisture, ensuring long-term performance.
Built for Heavy-Duty Use: NA4910-2RSR-XL Bearing
NA4910-2RSR-XL Bearing excels in agricultural machinery, handling the demanding conditions of tractors and harvesters. The high static radial load capacity ensures stability under heavy loads.
For medical imaging devices, NA4910-2RSR-XL Bearing offers precision and reliability. Its steel rollers and cage provide smooth rotation, essential for accurate diagnostics.
Automotive vs Aerospace: Applications of NA4910-2RSR-XL Bearing
In automotive engines, NA4910-2RSR-XL Bearing supports crankshafts and camshafts, ensuring smooth rotation under high speeds. The double seal protects against oil and debris.
For aerospace applications, NA4910-2RSR-XL Bearing is used in auxiliary systems where reliability is critical. Its lightweight design and high load capacity make it a practical choice.

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