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Heavy Duty Needle Roller Bearings (Machined) NA6911-ZW-XL
Heavy Duty Needle Roller Bearings (Machined) NA6911-ZW-XL

Heavy Duty Needle Roller Bearings (Machined) NA6911-ZW-XL

The NA6911-ZW-XL is a heavy-duty needle roller bearing with a 55mm bore and 80mm outer diameter, built from sturdy steel for reliable performance. It handles radial loads up to 22950 lbf and spins smoothly at speeds up to 7200 RPM.
Its double-row design provides extra stability, while the open seal allows for easy lubrication. The bearing is press-fit mounted, making it simple to install in tight spaces.
This model is interchangeable with INA bearings, offering a practical replacement option. Ideal for heavy machinery or automotive applications where high radial loads are common.
Weighing 780g, it’s robust yet manageable for its size. Compliant with RoHS standards and operates in temperatures from -20°C to 110°C.

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Product Parameters

  • Part Number NA6911-ZW-XL
  • Brand TFL
  • Interchangeable brand INA
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Needle
  • For Load Direction Radial
  • Construction Double Row
  • Seal Type Open
  • Inner Ring Yes
  • Series With Inner Ring
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 45 mm
  • Width Tolerance -0.15mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 22950 lbf
  • Static Radial Load 39600 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 7200 rpm
  • Weight 780 g

Features

Why Choose NA6911-ZW-XL Bearing for Precision Tasks?
NA6911-ZW-XL Bearing features a double-row needle roller design, offering high radial load capacity for precision applications.
Its steel construction ensures durability, with a dynamic radial load rating of 22,950 lbf.
The press-fit shaft mount simplifies installation, reducing downtime in industrial settings.
With a maximum speed of 7,200 rpm, it balances performance and reliability.
NA6911-ZW-XL Bearing operates efficiently within a temperature range of -20 to 110°C.
Its open design allows for easy lubrication, ensuring smooth operation over time.

Application

Industrial Uses of NA6911-ZW-XL Bearing
NA6911-ZW-XL Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its double-row design handles high radial loads efficiently. The steel construction ensures durability even in demanding environments.
Where Is NA6911-ZW-XL Bearing Used?
In automotive applications, NA6911-ZW-XL Bearing fits well in gearboxes and transmission systems, providing smooth operation under high-speed conditions. Its press-fit mounting makes installation straightforward for mechanics.
Built for Heavy-Duty Use: NA6911-ZW-XL Bearing
NA6911-ZW-XL Bearing excels in industrial automation, particularly in robotic arms and conveyor systems, where precision and reliability are key. The open seal type allows for easy lubrication, extending its service life.
Automotive vs Industrial: Applications of NA6911-ZW-XL Bearing
While NA6911-ZW-XL Bearing is popular in automotive drivetrains, it also performs well in industrial presses and pumps. Its high dynamic load capacity makes it versatile for various heavy-load scenarios.

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