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Double Row Super-Precision Cylindrical Roller Bearings NN 3018 KTN9/SPVR522

Double Row Super-Precision Cylindrical Roller Bearings NN 3018 KTN9/SPVR522

The NN 3018 KTN9/SPVR522 is a double-row cylindrical roller bearing with a 90mm bore and 140mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 31050 lbf and runs smoothly at speeds up to 7000 RPM.

Its open design allows for easy lubrication with grease or oil, while the PA66 cage ensures durability and centred roller alignment. The bearing operates reliably in temperatures ranging from -30°C to 110°C.

With a tapered bore (1:12), it offers secure fitting and handles axial displacement up to 2mm. This model is interchangeable with SKF bearings, making it a practical choice for replacements.

Ideal for precision applications like machine tools or industrial gearboxes, where high radial loads and speed are common. Weighing 1.95kg, it balances strength and precision for demanding environments. Compliant with RoHS and REACH standards.

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Product Parameters

  • Part Number NN 3018 KTN9/SPVR522
  • 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 -0.011mm to 0
  • Width 37 mm
  • Width Tolerance -0.20mm 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/SPVR522 dimension drawing
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Features

Performance Features of NN 3018 KTN9/SPVR522 Bearing

NN 3018 KTN9/SPVR522 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 both durability and efficiency.

NN 3018 KTN9/SPVR522 Bearing operates 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, simplifying maintenance.
The tapered bore ensures secure fitting, enhancing reliability in high-precision tasks.

Application

Industrial Uses of NN 3018 KTN9/SPVR522 Bearing
NN 3018 KTN9/SPVR522 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.

What Makes NN 3018 KTN9/SPVR522 Bearing a Preferred Choice?
In automotive applications, NN 3018 KTN9/SPVR522 Bearing supports gearboxes and drivetrains, offering reliable performance under heavy loads. Its chrome steel construction provides durability, even in demanding conditions.

Built for Heavy-Duty Use: NN 3018 KTN9/SPVR522 Bearing
For automation systems, NN 3018 KTN9/SPVR522 Bearing ensures smooth operation in robotic arms and precision equipment. The open design allows for easy lubrication, extending its service life.

Medical vs Industrial: Where NN 3018 KTN9/SPVR522 Bearing Excels
In medical imaging devices, NN 3018 KTN9/SPVR522 Bearing’s precision and stability are crucial for accurate diagnostics. Its PA66 cage material reduces friction, ensuring quiet and efficient performance.

Where Is NN 3018 KTN9/SPVR522 Bearing Used?
NN 3018 KTN9/SPVR522 Bearing is ideal for conveyor systems, where its high load capacity and speed rating keep operations running smoothly. The grease or oil lubrication options make it versatile for various environments.

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