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Heavy Duty Needle Roller Bearings (Machined) NK37/20-XL
Heavy Duty Needle Roller Bearings (Machined) NK37/20-XL

Heavy Duty Needle Roller Bearings (Machined) NK37/20-XL

The NK37/20-XL is a heavy-duty needle roller bearing with a 37mm bore and 47mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 6300 lbf and can spin at speeds up to 12300 RPM, making it suitable for high-speed applications.
Designed without an inner ring, it offers a compact solution for tight spaces, while the open seal allows for easy lubrication. The press-fit mounting ensures a secure fit on shafts, reducing slippage during operation.
This bearing works well in temperatures ranging from -20°C to 110°C, making it versatile for various environments. It’s interchangeable with INA bearings, providing a convenient replacement option.
Weighing just 77g, it’s lightweight yet robust, ideal for machinery like gearboxes or automotive systems where space and load capacity are key considerations. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number NK37/20-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 37 mm
  • Bore Dia Tolerance 0.025mm to 0.041mm
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 20 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 6300 lbf
  • Static Radial Load 9788 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 12300 rpm
  • Weight 77 g

Features

Performance Features of NK37/20-XL Bearing
NK37/20-XL Bearing is built with steel rings and rollers, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 6300 lbf, making it suitable for heavy-duty applications.
The press-fit shaft mount ensures secure installation, reducing slippage during operation.
With a maximum speed of 12,300 rpm, it delivers reliable performance in high-speed conditions.
NK37/20-XL Bearing operates efficiently within a temperature range of -20 to 110 °C.
Its open design simplifies lubrication, ensuring smooth and consistent performance.

Application

Industrial Uses of NK37/20-XL Bearing
NK37/20-XL Bearing is commonly 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 suitable for demanding environments.
In automotive applications, NK37/20-XL Bearing fits well in gearboxes and transmission systems, providing reliable performance under high-speed conditions. Its press-fit mounting ensures a secure and stable connection.
For automation systems, NK37/20-XL Bearing supports robotic arms and conveyor belts, offering smooth movement and durability. The steel rollers and cage contribute to its long service life in continuous operation.
Where Is NK37/20-XL Bearing Used?
NK37/20-XL Bearing is often found in industrial fans and pumps, where its ability to handle radial loads keeps operations running smoothly. The metric sizing makes it compatible with a variety of equipment.
In household appliances like washing machines, NK37/20-XL Bearing ensures quiet and efficient performance. Its steel construction provides the necessary strength for daily use.
Built for Heavy-Duty Use: NK37/20-XL Bearing
NK37/20-XL Bearing excels in applications like printing presses and packaging machines, where precision and reliability are key. The open seal design allows for easy lubrication.
In medical devices, NK37/20-XL Bearing offers consistent performance in equipment like centrifuges. Its steel rollers ensure minimal friction and wear over time.
Automotive vs Aerospace: Applications of NK37/20-XL Bearing
NK37/20-XL Bearing is versatile enough for both automotive transmissions and aerospace components, thanks to its high-speed capability. The steel construction meets rigorous industry standards.
In consumer electronics, NK37/20-XL Bearing can be found in high-performance fans, providing quiet and efficient operation. Its compact size fits well in space-constrained designs.

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