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Heavy Duty Needle Roller Bearings (Machined) NK28/30-XL
Heavy Duty Needle Roller Bearings (Machined) NK28/30-XL

Heavy Duty Needle Roller Bearings (Machined) NK28/30-XL

The NK28/30-XL is a heavy-duty needle roller bearing with a 28mm bore and 37mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 8325 lbf and spins efficiently at speeds up to 15800 RPM.
Its open design requires regular lubrication, while the press-fit shaft mount ensures a secure installation. The bearing operates smoothly 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 industrial machinery where high radial loads are common.
Weighing just 82g, it’s lightweight yet robust for its size. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number NK28/30-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 28 mm
  • Bore Dia Tolerance 0.02mm to 0.033mm
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 30 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 8325 lbf
  • Static Radial Load 12825 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 15800 rpm
  • Weight 82 g

Features

How Does NK28/30-XL Bearing Handle Heavy Radial Loads?
NK28/30-XL Bearing is built with steel rings and rollers, offering strong resistance to heavy radial loads.
Its dynamic radial load capacity reaches 8325 lbf, making it suitable for demanding industrial applications.
The press-fit shaft mount design ensures secure installation, reducing the risk of slippage during operation.
With a maximum speed of 15,800 rpm, it delivers both durability and high-speed performance.
The open design allows for easy lubrication, helping to maintain smooth operation over time.
Its compact and lightweight construction makes it ideal for space-constrained applications.

Application

Industrial Uses of NK28/30-XL Bearing
NK28/30-XL Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its high radial load capacity is essential. The press-fit design ensures a secure mounting, reducing the risk of slippage during operation.
What Makes NK28/30-XL Bearing a Preferred Choice?
In automotive applications, NK28/30-XL Bearing is ideal for gearboxes and transmission systems, thanks to its steel construction and durability. Its compact size and high-speed capability make it suitable for performance vehicles.
Built for Heavy-Duty Use: NK28/30-XL Bearing
For automation systems, NK28/30-XL Bearing provides reliable performance in robotic arms and conveyor belts. The open seal type allows for easy lubrication, extending the bearing’s service life in demanding environments.
Medical vs Industrial: Where NK28/30-XL Bearing Excels
While NK28/30-XL Bearing is robust enough for industrial presses, its precision also suits medical devices like diagnostic equipment. The steel rollers ensure smooth movement, critical for accurate readings in medical settings.

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