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Heavy Duty Needle Roller Bearings (Machined) NKI12/20-XL
Heavy Duty Needle Roller Bearings (Machined) NKI12/20-XL

Heavy Duty Needle Roller Bearings (Machined) NKI12/20-XL

The NKI12/20-XL is a heavy-duty needle roller bearing with a 12mm bore and 24mm outer diameter, crafted from sturdy steel for long-lasting performance. It handles radial loads up to 3668 lbf and spins smoothly at speeds up to 23,200 RPM.
Its open design and steel cage ensure durability, while the press-fit shaft mount provides a secure installation. The bearing operates well 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 automotive systems where high radial loads are common.
Weighing just 41.9g, it’s lightweight yet robust for its size. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number NKI12/20-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 Yes
  • Series With Inner Ring
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 24 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 3668 lbf
  • Static Radial Load 4230 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 23200 rpm
  • Weight 41.9 g

Features

How Does NKI12/20-XL Bearing Handle Heavy Loads?
NKI12/20-XL Bearing is built with steel rings and rollers, offering robust resistance to heavy radial loads.
Its dynamic radial load capacity reaches 3668 lbf, ensuring dependable performance in tough conditions.
The steel cage maintains roller alignment, reducing friction and prolonging service life.
With a maximum speed of 23,200 rpm, it delivers both durability and high-speed efficiency.
Why Choose NKI12/20-XL Bearing for Precision Tasks?
NKI12/20-XL Bearing features a precision-engineered steel construction, ideal for high-load radial applications.
The press-fit shaft mount design ensures secure installation, minimising alignment issues.
Its open design allows for easy lubrication, maintaining smooth operation over time.
With a temperature range of -20 to 110°C, it performs reliably in varied environments.
Engineered for Reliability: NKI12/20-XL Bearing
NKI12/20-XL Bearing’s steel rollers and rings provide excellent wear resistance under heavy loads.
The single-row design ensures compactness while maintaining high load-bearing capacity.
Its chamfered edges (0.3 mm) facilitate easier installation and reduce stress concentrations.
Compliant with RoHS standards, it meets stringent environmental and safety requirements.
Steel vs Ceramic Bearings: Strengths of NKI12/20-XL Bearing
NKI12/20-XL Bearing’s all-steel construction offers superior strength for high-load applications.
The steel cage and rollers ensure consistent performance, even at speeds up to 23,200 rpm.
Its press-fit mounting simplifies installation, reducing downtime in industrial settings.
With a static radial load of 4230 lbf, it handles demanding tasks with ease.

Application

Industrial Uses of NKI12/20-XL Bearing
NKI12/20-XL Bearing is commonly used in industrial machinery, especially in applications where space is limited but high radial load capacity is needed, like compact gearboxes and conveyor systems. Its steel construction ensures durability in demanding environments.
How Does NKI12/20-XL Bearing Improve Performance?
In automotive applications, NKI12/20-XL Bearing enhances performance in components like transmissions and steering systems, where its high-speed capability and press-fit design provide reliable operation. The open seal type allows for easy lubrication maintenance.
Built for Heavy-Duty Use: NKI12/20-XL Bearing
For automation and robotics, NKI12/20-XL Bearing offers precise movement in robotic arms and linear actuators, thanks to its needle roller design. The steel cage and rollers ensure long service life even under continuous use.
Light-Duty vs Heavy-Duty: Best Uses for NKI12/20-XL Bearing
In consumer electronics, NKI12/20-XL Bearing can be found in printers and small appliances, where its compact size and high load capacity are advantageous. The metric dimensions make it compatible with a variety of European and Asian designs.

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