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Heavy Duty Needle Roller Bearings (Machined) NKS50-XL

Heavy Duty Needle Roller Bearings (Machined) NKS50-XL

The NKS50-XL is a heavy-duty needle roller bearing with a 50mm bore and 65mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 10800 lbf and spins smoothly at speeds up to 8900 RPM.
Its open design and press-fit mounting make it easy to install, while the steel cage ensures durability under heavy use. The bearing operates well in temperatures from -20°C to 110°C.
This model is interchangeable with INA bearings, offering a practical alternative for replacements. Ideal for applications like gearboxes or industrial machinery where high radial loads are common.
Weighing just 157g, it’s lightweight yet robust for its size. Compliant with RoHS standards for safe use. Regular lubrication is recommended to maintain optimal performance.

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Product Parameters

  • Part Number NKS50-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 50 mm
  • Bore Dia Tolerance 0.025mm to 0.041mm
  • Outer Dia 65 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 22 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 10800 lbf
  • Static Radial Load 15075 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 8900 rpm
  • Weight 157 g
Heavy Duty Needle Roller Bearings (Machined) NKS50-XL dimension drawing
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Features

How Does NKS50-XL Bearing Handle Heavy Loads?
NKS50-XL Bearing is built with steel rings and rollers, offering strong resistance to heavy radial loads.
Its dynamic radial load capacity reaches 10800 lbf, ensuring reliable performance in demanding applications.
The steel cage keeps the rollers aligned, reducing wear and extending service life.
With a maximum speed of 8900 rpm, it balances durability and efficiency.

Application

Industrial Uses of NKS50-XL Bearing
NKS50-XL Bearing is widely used in heavy machinery, such as construction equipment and agricultural tools, where its high radial load capacity is essential. The open design and steel construction make it durable in demanding environments.
In automotive applications, NKS50-XL Bearing fits well in gearboxes and transmission systems, providing reliable performance under high speeds. Its press-fit mounting ensures a secure connection, reducing the risk of slippage.
For automation systems, NKS50-XL Bearing supports robotic arms and conveyor belts, where precision and durability are key. The steel rollers and cage enhance its longevity even with continuous use.
Medical devices like diagnostic machines benefit from NKS50-XL Bearing’s smooth operation and consistent performance. Its compliance with RoHS standards makes it suitable for sensitive environments.
In household appliances, NKS50-XL Bearing can be found in washing machines and power tools, offering quiet and efficient operation. The metric sizing ensures compatibility with a variety of European and Asian models.

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