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Heavy Duty Needle Roller Bearings (Machined) NA49/28-XL

Heavy Duty Needle Roller Bearings (Machined) NA49/28-XL

The NA49/28-XL is a heavy-duty needle roller bearing with a 28mm bore and 45mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 6188 lbf and spins smoothly at speeds up to 13600 RPM.
Its open design requires regular lubrication, while the steel cage ensures durability under high stress. The bearing is press-fit for secure mounting, making installation straightforward.
This model is interchangeable with INA bearings, offering a practical replacement option. Ideal for applications like gearboxes or industrial machinery where radial loads are common.
Weighing just 97.7g, it’s lightweight yet robust. Compliant with RoHS standards, it operates efficiently in temperatures from -20°C to 110°C.

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Product Parameters

  • Part Number NA49/28-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 Open
  • Inner Ring Yes
  • Series With Inner Ring
  • Bore Dia 28 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 45 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 17 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 6188 lbf
  • Static Radial Load 7538 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 13600 rpm
  • Weight 97.7 g
Heavy Duty Needle Roller Bearings (Machined) NA49/28-XL dimension drawing
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Features

Performance Features of NA49/28-XL Bearing
NA49/28-XL Bearing is built with steel rings and rollers, offering robust resistance to heavy radial loads.
Its dynamic radial load capacity reaches 6188 lbf, making it suitable for demanding industrial applications.
The steel cage ensures precise roller alignment, reducing friction and enhancing durability.
With a maximum speed of 13,600 rpm, it delivers reliable performance in high-speed conditions.
NA49/28-XL Bearing operates efficiently in temperatures ranging from -20 to 110°C.
Its press-fit shaft mount design simplifies installation, saving time and effort.
The open seal type allows for easy lubrication, ensuring smooth operation over extended periods.
This bearing is ideal for applications requiring high load capacity and long service life.

Application

Industrial Uses of NA49/28-XL Bearing
NA49/28-XL Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its high radial load capacity is essential. The steel construction ensures durability even in demanding environments.
Where Is NA49/28-XL Bearing Used?
In automotive applications, NA49/28-XL Bearing fits well in gearboxes and transmission systems, providing reliable performance under high speeds. Its press-fit design makes installation straightforward and secure.
Built for Heavy-Duty Use: NA49/28-XL Bearing
For automation systems, NA49/28-XL Bearing supports robotic arms and conveyor belts, handling repetitive motions with ease. The open seal type allows for easy lubrication, extending its service life.
Automotive vs Industrial: Applications of NA49/28-XL Bearing
In industrial settings, NA49/28-XL Bearing excels in printing presses and packaging machines, where precision and reliability are key. Meanwhile, in automotive uses, it ensures smooth operation in steering systems and pumps.
Key Fields for NA49/28-XL Bearing
NA49/28-XL Bearing is ideal for medical devices like dental drills, where its high-speed capability and low friction are crucial. The steel rollers provide consistent performance even under continuous use.

Q&A

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