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Heavy Duty Needle Roller Bearings (Machined) NKI55/25-TV-XL
Heavy Duty Needle Roller Bearings (Machined) NKI55/25-TV-XL

Heavy Duty Needle Roller Bearings (Machined) NKI55/25-TV-XL

The NKI55/25-TV-XL is a heavy-duty needle roller bearing with a 55mm bore and 72mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 11925 lbf and operates smoothly at speeds up to 7700 RPM.
Its open design and PA66 cage ensure durability, while the press-fit shaft mount provides a secure installation. The bearing works well in temperatures ranging 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 automotive applications where high radial loads are common.
Weighing just 255g, it’s lightweight yet robust for its size. Compliant with RoHS standards for safe use. Regular lubrication is recommended for optimal performance.

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Product Parameters

  • Part Number NKI55/25-TV-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 55 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 25 mm
  • Width Tolerance -0.15mm to 0
  • Ring Material Steel
  • Cage Material PA66
  • Roller Material Steel
  • Dynamic Radial Load 11925 lbf
  • Static Radial Load 23175 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 7700 rpm
  • Weight 255 g

Features

Performance Features of NKI55/25-TV-XL Bearing
NKI55/25-TV-XL Bearing is built with steel rings and rollers, offering strong resistance to heavy radial loads.
Its dynamic radial load capacity reaches 11925 lbf, ensuring reliable performance in demanding applications.
The PA66 cage keeps the rollers aligned, reducing wear and extending service life.
With a maximum speed of 7700 rpm, it balances durability and efficiency.
NKI55/25-TV-XL Bearing operates effectively in temperatures ranging from -20 to 110 °C.
Its press-fit shaft mount design simplifies installation, saving time and effort.
The open seal type allows for easy lubrication, maintaining smooth operation.
NKI55/25-TV-XL Bearing’s robust construction ensures long-lasting performance in heavy-duty conditions.

Application

Key Fields for NKI55/25-TV-XL Bearing
NKI55/25-TV-XL Bearing is widely used in industrial machinery, especially in heavy-duty radial load applications like gearboxes and hydraulic pumps. Its steel construction and open design make it durable and easy to maintain in demanding environments.
In automotive systems, NKI55/25-TV-XL Bearing is a reliable choice for components such as transmissions and differentials. The press-fit shaft mount ensures a secure installation, while the high dynamic load capacity supports long-term performance.
For automation equipment, NKI55/25-TV-XL Bearing excels in robotic arms and conveyor systems, where precision and durability are key. The PA66 cage material reduces friction, enhancing efficiency in high-speed operations.
Medical devices like imaging equipment benefit from NKI55/25-TV-XL Bearing’s consistent performance and resistance to wear. Its steel rollers and rings provide the reliability needed for critical applications.
In consumer electronics, NKI55/25-TV-XL Bearing can be found in high-performance printers and power tools. The compact design and robust load handling make it suitable for everyday use.

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