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Heavy Duty Needle Roller Bearings (Machined) NA4872-XL
Heavy Duty Needle Roller Bearings (Machined) NA4872-XL

Heavy Duty Needle Roller Bearings (Machined) NA4872-XL

The NA4872-XL is a heavy-duty needle roller bearing with a 360mm bore and 440mm outer diameter, designed for radial loads. Made from sturdy steel, it handles dynamic loads up to 166500 lbf and static loads up to 454500 lbf.
Its open design requires regular lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly at speeds up to 1200 RPM and in temperatures from -20°C to 110°C.
With a press-fit shaft mount, it’s easy to install in industrial machinery. Ideal for applications like heavy equipment or construction machinery where robust radial load support is needed.
Weighing 25.6kg, it’s built for demanding environments. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number NA4872-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 360 mm
  • Bore Dia Tolerance -0.04mm to 0
  • Outer Dia 440 mm
  • Outer Dia Tolerance -0.045mm to 0
  • Width 80 mm
  • Width Tolerance -0.4mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 166500 lbf
  • Static Radial Load 454500 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 1200 rpm
  • Weight 25600 g

Features

Performance Features of NA4872-XL Bearing
NA4872-XL Bearing is built for heavy-duty radial loads, with a dynamic radial load capacity of 166,500 lbf.
Its steel construction ensures durability, making it suitable for demanding industrial applications.
The open design allows for easy lubrication, maintaining smooth operation under high stress.
With a maximum speed of 1,200 rpm, it balances performance and reliability in tough conditions.
NA4872-XL Bearing’s press-fit shaft mount simplifies installation, reducing downtime.
Its wide temperature range of -20 to 110°C ensures consistent performance in varying environments.

Application

Industrial Uses of NA4872-XL Bearing
NA4872-XL Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its robust steel construction handles high radial loads effortlessly. The press-fit design ensures a secure mount, reducing slippage during intense operations.
Where Is NA4872-XL Bearing Used?
In automotive applications, NA4872-XL Bearing fits well in large gearboxes and drivetrains, offering reliable performance under constant stress. Its metric dimensions make it a go-to choice for European heavy-duty vehicles.
Built for Heavy-Duty Use: NA4872-XL Bearing
This bearing excels in industrial settings like steel mills, where its high dynamic load capacity keeps production lines running smoothly. The open seal design simplifies lubrication, extending service life in dusty environments.
Automotive vs Aerospace: Applications of NA4872-XL Bearing
While NA4872-XL Bearing is popular in truck transmissions, its precision also suits aerospace landing gear components. The steel rollers provide durability, whether on the road or in the air.
Key Fields for NA4872-XL Bearing
NA4872-XL Bearing is ideal for wind turbine systems, where its ability to handle radial loads supports consistent energy generation. The wide temperature range ensures performance in varying climates.

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