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Heavy Duty Needle Roller Bearings (Machined) NA4844-XL
Heavy Duty Needle Roller Bearings (Machined) NA4844-XL

Heavy Duty Needle Roller Bearings (Machined) NA4844-XL

The NA4844-XL is a heavy-duty needle roller bearing with a 220mm bore and 270mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 61875 lbf and operates smoothly at speeds up to 2000 RPM.
Its single-row design with an inner ring ensures stability, while the open construction allows for easy lubrication. The bearing is press-fit mounted, making it secure for high-load applications.
This model is interchangeable with INA bearings, offering a practical replacement option. Ideal for industrial machinery or automotive systems where radial loads are common.
Weighing 6380g, it’s built to last in temperatures from -20°C to 110°C. Compliant with RoHS standards for safe and durable use.

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Product Parameters

  • Part Number NA4844-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 220 mm
  • Bore Dia Tolerance -0.03mm to 0
  • Outer Dia 270 mm
  • Outer Dia Tolerance -0.035mm to 0
  • Width 50 mm
  • Width Tolerance -0.3mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 61875 lbf
  • Static Radial Load 177750 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 2000 rpm
  • Weight 6380 g

Features

Performance Features of NA4844-XL Bearing
NA4844-XL Bearing is built with a robust steel construction, handling dynamic radial loads up to 61,875 lbf.
Its single-row needle roller design ensures efficient load distribution, ideal for heavy-duty applications.
The press-fit shaft mount type simplifies installation, saving time and effort.
With a maximum speed of 2,000 rpm, it balances performance and durability.
NA4844-XL Bearing operates in temperatures from -20 to 110°C, suitable for varied environments.
Its open design allows for easy lubrication, ensuring smooth operation over time.
The precise tolerances of NA4844-XL Bearing enhance its reliability in demanding conditions.
Weighing 6,380 g, it offers a sturdy yet manageable solution for industrial needs.

Application

Industrial Uses of NA4844-XL Bearing
NA4844-XL Bearing is commonly used in heavy machinery like construction equipment and agricultural tools, where its high radial load capacity handles demanding conditions. The steel construction ensures durability even in rugged environments.
Where Is NA4844-XL Bearing Used?
In automotive applications, NA4844-XL Bearing fits well in gearboxes and drivetrains, providing reliable performance under high stress. Its press-fit design simplifies installation in tight spaces.
Built for Heavy-Duty Use: NA4844-XL Bearing
NA4844-XL Bearing excels in industrial presses and conveyor systems, where its needle roller design reduces friction. The open seal allows for easy lubrication, extending service life.
Automotive vs Industrial: Applications of NA4844-XL Bearing
NA4844-XL Bearing is versatile, suitable for both vehicle transmissions and factory machinery. Its metric sizing ensures compatibility with a wide range of equipment.
Essential Roles of NA4844-XL Bearing
In robotics, NA4844-XL Bearing supports joints and pivots, offering smooth movement under load. The steel cage adds stability, making it ideal for repetitive motion tasks.

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