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Heavy Duty Needle Roller Bearings (Machined) NKI9/12-XL
Heavy Duty Needle Roller Bearings (Machined) NKI9/12-XL

Heavy Duty Needle Roller Bearings (Machined) NKI9/12-XL

The NKI9/12-XL is a heavy-duty needle roller bearing with a 9mm bore and 19mm outer diameter, crafted from sturdy steel for long-lasting performance. It handles radial loads up to 1620 lbf and spins at speeds up to 26,500 RPM, making it suitable for high-speed applications.

Its open design requires regular lubrication, but the steel cage ensures durability under demanding conditions. The press-fit shaft mount provides a secure installation, reducing slippage during operation.

This bearing works well in temperatures ranging from -20°C to 110°C, ideal for industrial machinery or automotive components. Weighing just 16.6g, it’s lightweight yet robust for its size.

Compliant with RoHS standards, it’s a reliable choice for replacements, especially as it’s interchangeable with INA bearings. Perfect for compact spaces where high radial load capacity is needed.

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Product Parameters

  • Part Number NKI9/12-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 9 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 19 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 12 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 1620 lbf
  • Static Radial Load 1598 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 26500 rpm
  • Weight 16.6 g

Features

How Does NKI9/12-XL Bearing Handle Heavy Loads?
NKI9/12-XL Bearing is built with steel rings and rollers, offering robust resistance to heavy radial loads.
Its dynamic radial load capacity reaches 1620 lbf, ensuring dependable performance in tough conditions.
The steel cage maintains roller alignment, reducing friction and prolonging service life.
With a maximum speed of 26,500 rpm, it combines durability with high-speed efficiency.

Application

Industrial Uses of NKI9/12-XL Bearing
NKI9/12-XL Bearing is commonly used in industrial machinery, especially in compact spaces where high radial load capacity is needed, like conveyor systems and printing presses. Its steel construction ensures durability in demanding environments.
Where Is NKI9/12-XL Bearing Used?
In automotive applications, NKI9/12-XL Bearing fits well in gearboxes and transmission systems, providing reliable performance under high speeds. The press-fit design makes installation straightforward for mechanics.
Built for Heavy-Duty Use: NKI9/12-XL Bearing
For automation equipment, NKI9/12-XL Bearing supports precise movements in robotic arms and assembly lines. Its open design allows for easy lubrication, extending service life in continuous operations.
Automotive vs Industrial: Applications of NKI9/12-XL Bearing
In household appliances, NKI9/12-XL Bearing can be found in power tools and small motors, where its compact size and load capacity are advantageous. The steel rollers handle frequent use without compromising performance.

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