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Heavy Duty Needle Roller Bearings (Machined) NK17/20-XL
Heavy Duty Needle Roller Bearings (Machined) NK17/20-XL

Heavy Duty Needle Roller Bearings (Machined) NK17/20-XL

The NK17/20-XL is a heavy-duty needle roller bearing with a 17mm bore and 25mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 3848 lbf and can spin at speeds up to 22600 RPM, making it suitable for high-speed applications.
Its open design requires regular lubrication, while the press-fit shaft mount ensures a secure installation. The bearing operates smoothly in temperatures ranging from -20°C to 110°C.
This model is interchangeable with INA bearings, offering a practical replacement option. Ideal for use in gearboxes, automotive components, or industrial machinery where space is limited but high load capacity is needed.
Weighing just 29.8g, it’s lightweight yet robust. Compliant with RoHS standards for safe and eco-friendly use.

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Product Parameters

  • Part Number NK17/20-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 17 mm
  • Bore Dia Tolerance 0.016mm to 0.027mm
  • Outer Dia 25 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 20 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 3848 lbf
  • Static Radial Load 4590 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 22600 rpm
  • Weight 29.8 g

Features

Performance Features of NK17/20-XL Bearing
NK17/20-XL Bearing is built with steel rings and rollers, offering strong radial load capacity up to 3848 lbf.
Its press-fit shaft mount ensures secure installation, reducing slippage during operation.
The open design allows for easy lubrication, maintaining smooth performance even at high speeds.
With a maximum speed of 22,600 rpm, it delivers reliable performance in demanding conditions.
The steel cage keeps the needle rollers aligned, minimising wear and extending service life.

Application

Industrial Uses of NK17/20-XL Bearing
NK17/20-XL Bearing is commonly used in industrial machinery like gearboxes and power tools, where its high radial load capacity shines. The open design and press-fit mounting make it easy to install in tight spaces.
In automotive applications, NK17/20-XL Bearing fits well in transmission systems and steering mechanisms, handling high speeds smoothly. Its steel construction ensures durability even under constant vibration and stress.
For automation equipment, NK17/20-XL Bearing supports robotic arms and conveyor belts, offering reliable performance. The needle roller design provides excellent load distribution, reducing wear over time.
Where Is NK17/20-XL Bearing Used?
You’ll often find NK17/20-XL Bearing in heavy-duty machinery like construction equipment, where its robust design handles tough conditions. The high max speed rating makes it suitable for fast-moving parts.
In household appliances, NK17/20-XL Bearing works well in washing machines and power tools, ensuring quiet operation. Its compact size and weight make it a practical choice for space-constrained designs.
Built for Heavy-Duty Use: NK17/20-XL Bearing
NK17/20-XL Bearing excels in applications like agricultural machinery, where dust and debris are common. The steel rollers and cage provide long-lasting performance even in harsh environments.
For medical devices, NK17/20-XL Bearing offers precision in equipment like dental drills, where smooth rotation is key. The metric sizing ensures compatibility with a wide range of international standards.
Light-Duty vs Heavy-Duty: Best Uses for NK17/20-XL Bearing
In light-duty applications like office printers, NK17/20-XL Bearing ensures smooth paper feeding with minimal noise. Its press-fit design simplifies maintenance and replacement.
For heavy-duty tasks like industrial presses, NK17/20-XL Bearing handles high radial loads without faltering. The steel construction and lubrication requirement keep it running smoothly under pressure.

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