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Heavy Duty Needle Roller Bearings (Machined) NK18/16-XL
Heavy Duty Needle Roller Bearings (Machined) NK18/16-XL

Heavy Duty Needle Roller Bearings (Machined) NK18/16-XL

The NK18/16-XL is a heavy-duty needle roller bearing with an 18mm bore and 26mm outer diameter, crafted from sturdy steel. It handles radial loads up to 3172 lbf and spins efficiently at speeds up to 22100 RPM.
Its open design requires lubrication but offers easy maintenance, while the steel cage ensures durability. The bearing operates well in temperatures from -20°C to 110°C.
Designed for press-fit mounting, it’s a reliable choice for applications with high radial loads. Ideal for use in gearboxes, pumps, or industrial machinery where space is limited.
Weighing just 24.9g, it’s lightweight yet robust. Compliant with RoHS standards for safe and reliable performance.

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Product Parameters

  • Part Number NK18/16-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 18 mm
  • Bore Dia Tolerance 0.016mm to 0.027mm
  • Outer Dia 26 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 16 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 3172 lbf
  • Static Radial Load 3645 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 22100 rpm
  • Weight 24.9 g

Features

How Does NK18/16-XL Bearing Handle Heavy Loads?
NK18/16-XL Bearing is built with high-grade steel components, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 3172 lbf, making it suitable for demanding industrial applications.
The press-fit shaft mount ensures secure installation, reducing the risk of slippage during operation.
With a maximum speed of 22,100 rpm, it delivers reliable performance under high-speed conditions.
Designed for Durability: NK18/16-XL Bearing
NK18/16-XL Bearing features a robust steel construction, ensuring long-lasting performance in tough environments.
The open design allows for easy lubrication, maintaining smooth operation over extended periods.
Its compact width of 16 mm makes it ideal for applications with limited space.
The bearing operates efficiently within a temperature range of -20 to 110 °C.
Performance Features of NK18/16-XL Bearing
NK18/16-XL Bearing’s needle roller design maximises load distribution, reducing wear and tear.
The steel cage keeps the rollers aligned, enhancing stability during high-speed rotation.
With a static radial load capacity of 3645 lbf, it handles heavy-duty tasks with ease.
Its lightweight design at 24.9 g minimises additional strain on machinery.
Why Choose NK18/16-XL Bearing for Precision Tasks?
NK18/16-XL Bearing’s precise bore diameter tolerance ensures a perfect fit for shafts.
The chamfered edges at 0.3 mm facilitate smoother installation and alignment.
Its compatibility with INA bearings offers flexibility in replacement options.
The bearing’s high-speed capability makes it suitable for precision machinery applications.
Steel vs Ceramic Bearings: Strengths of NK18/16-XL Bearing
NK18/16-XL Bearing’s all-steel construction provides excellent strength and durability.
The steel rollers and cage offer superior load-bearing capacity compared to ceramic alternatives.
Its press-fit mounting type ensures a secure connection, reducing maintenance needs.
The bearing’s wide temperature range makes it versatile for various industrial uses.

Application

Industrial Uses of NK18/16-XL Bearing
NK18/16-XL Bearing is commonly used in industrial machinery, especially in compact spaces where high radial load capacity is needed, such as gearboxes and pumps. Its press-fit design ensures a secure mount, reducing the risk of slippage during operation.
What Makes NK18/16-XL Bearing a Preferred Choice?
In automotive applications, NK18/16-XL Bearing fits well in transmission systems and steering mechanisms, thanks to its steel construction and high-speed capability. The open seal design allows for easy lubrication, extending its service life.
Built for Heavy-Duty Use: NK18/16-XL Bearing
For automation equipment, NK18/16-XL Bearing provides reliable performance in robotic arms and conveyor systems, handling repetitive motions with ease. Its lightweight design also helps reduce overall machine weight.
Medical vs Industrial: Where NK18/16-XL Bearing Excels
While NK18/16-XL Bearing is robust enough for industrial tools, its precision makes it suitable for medical devices like lab equipment. The steel rollers ensure smooth operation even under constant use.
Where to Use NK18/16-XL Bearing
In consumer electronics, NK18/16-XL Bearing can be found in printers and small appliances, where its compact size and durability are valued. The metric dimensions make it easy to integrate into various designs.

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