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Double Row Super-Precision Cylindrical Roller Bearings NN 3026 KTN9/SPVR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3026 KTN9/SPVR521

The NN 3026 KTN9/SPVR521 is a double-row cylindrical roller bearing with a 130mm bore and 200mm outer diameter, crafted from high-quality chrome steel. It handles combined loads up to 65700 lbf and operates smoothly at speeds up to 5000 RPM.

Its open design allows for easy lubrication with grease or oil, while the PA66 cage ensures stable performance. The bearing can withstand temperatures from -30°C to 110°C, making it versatile for various conditions.

With a tapered bore for secure fitting, this model is interchangeable with SKF bearings, ideal for precision applications like machine tools or industrial gearboxes. Weighing 5.5kg, it offers a robust yet manageable solution for heavy-duty use.

Compliant with RoHS and REACH standards, it’s a reliable choice for engineers and maintenance teams seeking durability and precision.

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Product Parameters

  • Part Number NN 3026 KTN9/SPVR521
  • Size 130 mm x 200 mm x 52 mm
  • Brand TFL
  • Interchangeable brand SKF
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • Bore Type Taper 1:12
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Bore Dia 130 mm
  • Bore Dia Tolerance 0 to +0.025mm
  • Outer Dia 200 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 52 mm
  • Width Tolerance -0.25mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 2 mm
  • Chamfer Dimension Inner Ring(r3,4)(min.) 1.1 mm
  • Permissible Axial Displacement(max.) 3 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 65700 lbf
  • Static Radial Load 112500 lbf
  • Max Speed 5000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 5.5 kg
  • Cage Material PA66 cage, roller centred
Double Row Super-Precision Cylindrical Roller Bearings NN 3026 KTN9/SPVR521 dimension drawing
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Features

Performance Features of NN 3026 KTN9/SPVR521 Bearing

NN 3026 KTN9/SPVR521 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 65700 lbf, ensuring reliable performance in demanding conditions.

The double-row design enhances stability and load distribution, making it suitable for precision applications.
With a maximum speed of 5000 rpm, it balances efficiency and durability.

NN 3026 KTN9/SPVR521 Bearing operates smoothly in temperatures from -30° to 110°C, adapting to various environments.
The PA66 cage keeps rollers centred, reducing wear and extending service life.

Its open design allows for easy lubrication with grease or oil, minimising maintenance needs.
The taper bore ensures secure fitting, enhancing operational reliability.

Application

Industrial Uses of NN 3026 KTN9/SPVR521 Bearing
NN 3026 KTN9/SPVR521 Bearing is commonly used in heavy machinery like lathes and milling machines, where its double-row design handles both radial and axial loads efficiently. The tapered bore ensures a secure fit, reducing slippage during high-speed operations.

What Makes NN 3026 KTN9/SPVR521 Bearing a Preferred Choice?
In automotive applications, NN 3026 KTN9/SPVR521 Bearing supports gearboxes and drivetrains, offering reliable performance under combined loads. Its chrome steel construction provides durability, even in demanding conditions.

Perfect Fit for Automation: NN 3026 KTN9/SPVR521 Bearing
For robotic arms and automated production lines, NN 3026 KTN9/SPVR521 Bearing’s precision and low friction ensure smooth movement. The open design allows for easy lubrication, extending service life in continuous operation.

Medical vs Industrial: Where NN 3026 KTN9/SPVR521 Bearing Excels
In medical imaging devices, NN 3026 KTN9/SPVR521 Bearing’s high precision and stability are crucial for accurate results. Meanwhile, industrial pumps benefit from its ability to handle heavy loads without compromising performance.

Light-Duty vs Heavy-Duty: Best Uses for NN 3026 KTN9/SPVR521 Bearing
While NN 3026 KTN9/SPVR521 Bearing excels in heavy-duty applications like steel mills, it’s also suitable for lighter tasks in packaging machinery. Its versatility makes it a go-to solution across various industries.

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