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Heavy Duty Needle Roller Bearings (Machined) NK43/30-XL
Heavy Duty Needle Roller Bearings (Machined) NK43/30-XL

Heavy Duty Needle Roller Bearings (Machined) NK43/30-XL

The NK43/30-XL is a heavy-duty needle roller bearing with a 43mm bore and 53mm outer diameter, crafted from sturdy steel for long-lasting performance. It handles radial loads up to 10238 lbf and spins smoothly at speeds up to 10700 RPM.
Its open design requires regular lubrication, while the press-fit mounting ensures a secure fit on shafts. The bearing operates reliably 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 133g, it’s lightweight yet robust for its size. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number NK43/30-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 No
  • Series Without Inner Ring
  • Bore Dia 43 mm
  • Bore Dia Tolerance 0.025mm to 0.041mm
  • Outer Dia 53 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 10238 lbf
  • Static Radial Load 19125 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 10700 rpm
  • Weight 133 g

Features

Performance Features of NK43/30-XL Bearing
NK43/30-XL Bearing is built with steel rings and rollers, offering strong resistance to heavy radial loads.
Its dynamic radial load capacity reaches 10238 lbf, making it suitable for demanding industrial applications.
The press-fit shaft mount design ensures secure installation, reducing the risk of slippage during operation.
With a maximum speed of 10,700 rpm, it delivers reliable performance under high-speed conditions.
NK43/30-XL Bearing operates efficiently within a temperature range of -20 to 110°C.
Its open design allows for easy lubrication, ensuring smooth and long-lasting performance.

Application

Industrial Uses of NK43/30-XL Bearing
NK43/30-XL Bearing is commonly used in heavy machinery like construction equipment and hydraulic pumps, where its high radial load capacity is essential. The press-fit design ensures a secure mounting, reducing the risk of slippage during operation.
In automotive applications, NK43/30-XL Bearing fits well in gearboxes and drivetrains, handling high-speed rotations smoothly. Its steel construction offers durability, making it suitable for long-term use in demanding conditions.
For automation systems, NK43/30-XL Bearing supports robotic arms and conveyor belts, providing reliable performance under continuous load. The open seal type allows for easy lubrication, maintaining efficiency over time.
Where Is NK43/30-XL Bearing Used?
You’ll often find NK43/30-XL Bearing in industrial fans and compressors, where its needle roller design reduces friction. The metric sizing makes it compatible with a wide range of European machinery.
In household appliances like washing machines, NK43/30-XL Bearing ensures smooth operation during high-speed spins. Its steel cage and rollers provide the necessary strength for daily use.
Built for Heavy-Duty Use: NK43/30-XL Bearing
NK43/30-XL Bearing excels in agricultural machinery, such as tractors and harvesters, where radial loads are constant. The steel construction resists wear, even in dusty or humid environments.
For packaging machines, NK43/30-XL Bearing offers precise movement and reliability. Its high-speed capability makes it ideal for production lines requiring consistent performance.

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