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Heavy Duty Needle Roller Bearings (Machined) NK7/12-TV-XL
Heavy Duty Needle Roller Bearings (Machined) NK7/12-TV-XL

Heavy Duty Needle Roller Bearings (Machined) NK7/12-TV-XL

The NK7/12-TV-XL is a heavy-duty needle roller bearing with a 7mm bore and 14mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 934 lbf and spins at speeds up to 34,500 RPM, making it suitable for high-speed applications.
Its open design and PA66 cage ensure smooth operation, while the press-fit shaft mount provides a secure installation. The bearing requires regular lubrication to maintain optimal performance.
This model is interchangeable with INA bearings, offering flexibility for replacements. Ideal for use in compact spaces like automotive transmissions or small machinery where radial load capacity is key.
Weighing just 8.2g, it’s lightweight yet durable. Compliant with RoHS standards, it operates in temperatures from -20°C to 110°C.

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Product Parameters

  • Part Number NK7/12-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 No
  • Series Without Inner Ring
  • Bore Dia 7 mm
  • Bore Dia Tolerance 0.013mm to 0.022mm
  • Outer Dia 14 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 12 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material PA66
  • Roller Material Steel
  • Dynamic Radial Load 934 lbf
  • Static Radial Load 810 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 34500 rpm
  • Weight 8.2 g

Features

How Does NK7/12-TV-XL Bearing Handle High-Speed Applications?
NK7/12-TV-XL Bearing is crafted with steel rollers and a PA66 cage, ensuring smooth operation at high speeds.
Its dynamic radial load capacity of 934 lbf makes it suitable for heavy-duty radial applications.
The press-fit shaft mount design simplifies installation, reducing downtime and maintenance efforts.
With a maximum speed of 34,500 rpm, it delivers reliable performance in demanding conditions.

Application

Industrial Uses of NK7/12-TV-XL Bearing
NK7/12-TV-XL Bearing is commonly used in industrial machinery, especially in compact spaces where high radial load capacity is needed, like conveyor systems and gearboxes. Its open design and press-fit mounting make it easy to install and maintain in tight spots.
What Makes NK7/12-TV-XL Bearing a Preferred Choice?
In automotive applications, NK7/12-TV-XL Bearing fits well in components such as transmissions and steering systems, thanks to its high-speed capability and durability. The steel construction ensures it can handle the demands of daily use.
Perfect Fit for Automation: NK7/12-TV-XL Bearing
For automation and robotics, NK7/12-TV-XL Bearing works smoothly in robotic arms and linear guides, where precision and reliability are key. The PA66 cage material helps reduce friction, ensuring long-lasting performance.
Medical vs Industrial: Where NK7/12-TV-XL Bearing Excels
While NK7/12-TV-XL Bearing is robust enough for industrial tools, its precision also suits medical devices like lab equipment, where consistent movement is essential. The temperature range makes it versatile for various environments.

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