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Heavy Duty Needle Roller Bearings (Machined) NKI42/30-XL

Heavy Duty Needle Roller Bearings (Machined) NKI42/30-XL

The NKI42/30-XL is a heavy-duty needle roller bearing with a 42mm bore and 57mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 10912 lbf and spins smoothly at speeds up to 9800 RPM.
Its open design requires lubrication, while the steel cage ensures durability under heavy use. The bearing is press-fit for secure mounting and operates in temperatures from -20°C to 110°C.
This model is interchangeable with INA bearings, making it a practical choice for replacements. Ideal for applications like gearboxes or industrial machinery where high radial loads are common.
Weighing just 222g, it’s lightweight yet robust for its size. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number NKI42/30-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 42 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 57 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 30 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 10912 lbf
  • Static Radial Load 21150 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 9800 rpm
  • Weight 222 g
Heavy Duty Needle Roller Bearings (Machined) NKI42/30-XL dimension drawing
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Features

Performance Features of NKI42/30-XL Bearing
NKI42/30-XL Bearing is built with steel rings and rollers, offering strong resistance to heavy radial loads.
Its dynamic radial load capacity reaches 10912 lbf, ensuring reliable performance in demanding applications.
The steel cage maintains roller alignment, reducing wear and extending service life.
With a maximum speed of 9800 rpm, it balances durability and efficiency.
NKI42/30-XL Bearing operates in temperatures from -20 to 110°C, suitable for various environments.
Its press-fit shaft mount design ensures secure installation and stable operation.
The open seal type allows for easy lubrication, maintaining smooth performance.
Weighing just 222g, it combines strength with a lightweight design.

Application

Industrial Uses of NKI42/30-XL Bearing
NKI42/30-XL Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its high radial load capacity ensures reliable performance. The steel construction provides durability in demanding environments.
Where Is NKI42/30-XL Bearing Used?
You’ll often find NKI42/30-XL Bearing in automotive transmissions and industrial gearboxes, where its needle roller design handles high speeds and radial loads efficiently. The press-fit mounting makes installation straightforward.
Built for Heavy-Duty Use: NKI42/30-XL Bearing
NKI42/30-XL Bearing excels in applications like conveyor systems and printing presses, where its robust design and high dynamic load rating are essential. The open seal type allows for easy lubrication and maintenance.
Automotive vs Industrial: Applications of NKI42/30-XL Bearing
In automotive settings, NKI42/30-XL Bearing supports components like differential systems, while in industrial machinery, it’s ideal for pumps and compressors. Its metric sizing ensures compatibility across various equipment types.
Perfect Fit for Automation: NKI42/30-XL Bearing
NKI42/30-XL Bearing is a great choice for robotic arms and automated assembly lines, thanks to its precision and high-speed capabilities. The steel cage ensures smooth operation even under continuous use.

Q&A

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