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Double Row Super-Precision Cylindrical Roller Bearings NN 3018 KTN9/UPVR522

Double Row Super-Precision Cylindrical Roller Bearings NN 3018 KTN9/UPVR522

The NN 3018 KTN9/UPVR522 is a double-row cylindrical roller bearing with a 90mm bore and 140mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 31050 lbf and reaches speeds of 7000 RPM.

Its open design allows for easy lubrication with grease or oil, while the PA66 cage ensures smooth operation. The bearing works reliably in temperatures from -30°C to 110°C.

With a tapered bore for secure fitting, this model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for precision applications like machine tools or industrial gearboxes.

Weighing 1.95kg, it offers a robust yet manageable size. Compliant with RoHS and REACH standards for safe and versatile use.

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Product Parameters

  • Part Number NN 3018 KTN9/UPVR522
  • Size 90 mm x 140 mm x 37 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 90 mm
  • Bore Dia Tolerance 0 to +0.020mm
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 37 mm
  • Width Tolerance -0.10mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 1.5 mm
  • Chamfer Dimension Inner Ring(r3,4)(min.) 1 mm
  • Permissible Axial Displacement(max.) 2 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 31050 lbf
  • Static Radial Load 48600 lbf
  • Max Speed 7000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 1.95 kg
  • Cage Material PA66 cage, roller centred
Double Row Super-Precision Cylindrical Roller Bearings NN 3018 KTN9/UPVR522 dimension drawing
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Features

Performance Features of NN 3018 KTN9/UPVR522 Bearing

NN 3018 KTN9/UPVR522 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 31050 lbf, making it suitable for demanding industrial applications.

The double-row design enhances stability and load distribution, ensuring smooth operation.
With a maximum speed of 7000 rpm, it delivers reliable performance in high-speed environments.

NN 3018 KTN9/UPVR522 Bearing operates efficiently in temperatures ranging from -30° to 110 °C.
The PA66 cage keeps rollers centred, reducing friction and extending service life.

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

Application

Industrial Uses of NN 3018 KTN9/UPVR522 Bearing
NN 3018 KTN9/UPVR522 Bearing is commonly used in machine tools, 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.

In automation systems, NN 3018 KTN9/UPVR522 Bearing supports robotic arms, providing smooth movement and precision. Its chrome steel construction offers durability, even in continuous operation scenarios.

For heavy machinery, NN 3018 KTN9/UPVR522 Bearing’s high dynamic load capacity makes it suitable for presses and rolling mills. The open seal design allows for easy lubrication, extending service life in demanding environments.

What Makes NN 3018 KTN9/UPVR522 Bearing a Preferred Choice?
NN 3018 KTN9/UPVR522 Bearing excels in wind turbines, where its combined load capacity and high-speed tolerance are essential. The PA66 cage material reduces friction, enhancing performance in greased or oiled conditions.

In paper manufacturing equipment, NN 3018 KTN9/UPVR522 Bearing’s precision ensures consistent operation under heavy loads. Its metric dimensions make it compatible with a wide range of industrial machinery.

Built for Heavy-Duty Use: NN 3018 KTN9/UPVR522 Bearing
NN 3018 KTN9/UPVR522 Bearing is ideal for steel production lines, where its robust construction withstands extreme temperatures. The grease or oil lubrication options provide flexibility for different operational needs.

In conveyor systems, NN 3018 KTN9/UPVR522 Bearing’s high static radial load capacity ensures reliable performance. The chamfered edges reduce stress concentrations, prolonging bearing life.

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