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Heavy Duty Needle Roller Bearings (Machined) NK85/25-XL

Heavy Duty Needle Roller Bearings (Machined) NK85/25-XL

The NK85/25-XL is a heavy-duty needle roller bearing with an 85mm bore and 105mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 17550 lbf and operates smoothly at speeds up to 5400 RPM.
Its open design requires regular lubrication, while the press-fit shaft mount ensures a secure installation. The bearing works 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 heavy machinery or industrial equipment where high radial loads are common.
Weighing 425g, it’s robust yet manageable for its size. Compliant with RoHS standards for safe and sustainable use.

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Product Parameters

  • Part Number NK85/25-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 85 mm
  • Bore Dia Tolerance 0.036mm to 0.058mm
  • Outer Dia 105 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 25 mm
  • Width Tolerance -0.2mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 17550 lbf
  • Static Radial Load 27675 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 5400 rpm
  • Weight 425 g
Heavy Duty Needle Roller Bearings (Machined) NK85/25-XL dimension drawing
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Features

Performance Features of NK85/25-XL Bearing
NK85/25-XL Bearing is built with a robust steel construction, ideal for handling heavy radial loads up to 17550 lbf.
Its open design allows for easy lubrication, ensuring smooth operation even in demanding conditions.
The press-fit shaft mount type simplifies installation, saving time and effort during assembly.
With a maximum speed of 5400 rpm, it balances performance and durability in industrial applications.
NK85/25-XL Bearing operates efficiently within a temperature range of -20 to 110°C, making it versatile for various environments.
The steel cage and rollers enhance its longevity, reducing the need for frequent replacements.

Application

Common Applications of NK85/25-XL Bearing
NK85/25-XL Bearing is widely used in industrial machinery, especially in heavy-duty applications like hydraulic pumps and gearboxes. Its steel construction ensures durability under high radial loads.
In automotive systems, NK85/25-XL Bearing fits well in transmission assemblies and steering mechanisms. The press-fit design makes installation straightforward, while the open seal allows for easy lubrication.
For automation equipment, NK85/25-XL Bearing provides reliable performance in robotic arms and conveyor systems. Its high-speed capability and robust build make it suitable for continuous operation.
NK85/25-XL Bearing is also found in agricultural machinery, where it handles tough conditions like dust and moisture. The steel cage and rollers offer long-lasting performance even in demanding environments.

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