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Double Row Super-Precision Cylindrical Roller Bearings NN 3014 KTN/SPVR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3014 KTN/SPVR521

The NN 3014 KTN/SPVR521 is a double-row cylindrical roller bearing with a 70mm bore and 110mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 21780 lbf and reaches speeds of 9000 RPM.

Its open design and PA66 cage ensure smooth operation, while the tapered bore allows for precise alignment. The bearing performs reliably in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Suitable for high-precision applications like machine tools or industrial gearboxes.

Weighing 1kg, it offers a robust yet manageable size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NN 3014 KTN/SPVR521
  • Size 70 mm x 110 mm x 30 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 70 mm
  • Bore Dia Tolerance 0 to +0.015mm
  • Outer Dia 110 mm
  • Outer Dia Tolerance -0.010mm to 0
  • Width 30 mm
  • Width Tolerance -0.15mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 1.1 mm
  • Chamfer Dimension Inner Ring(r3,4)(min.) 0.6 mm
  • Permissible Axial Displacement(max.) 2 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 21780 lbf
  • Static Radial Load 33750 lbf
  • Max Speed 9000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 1 kg
  • Cage Material PA66 cage, roller centred
Double Row Super-Precision Cylindrical Roller Bearings NN 3014 KTN/SPVR521 dimension drawing
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Features

Performance Features of NN 3014 KTN/SPVR521 Bearing

NN 3014 KTN/SPVR521 Bearing is designed with double-row cylindrical rollers, offering high radial load capacity up to 21780 lbf.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The open design and PA66 cage allow for efficient lubrication with grease or oil, enhancing performance.
With a maximum speed of 9000 rpm, it balances speed and load capacity effectively.

NN 3014 KTN/SPVR521 Bearing operates in temperatures from -30° to 110°C, suitable for various environments.
Its tapered bore design simplifies installation and ensures secure fitting.

The bearing’s combined load handling makes it versatile for different industrial uses.
Precision engineering ensures smooth operation and extended service life.

Application

Industrial Uses of NN 3014 KTN/SPVR521 Bearing
NN 3014 KTN/SPVR521 Bearing is commonly used in machine tools, where its double-row design handles both radial and axial loads with precision. The open seal type allows for easy lubrication, making it suitable for high-speed operations up to 9000 rpm.

In automotive applications, NN 3014 KTN/SPVR521 Bearing supports gearboxes and drivetrains, ensuring smooth performance under combined loads. Its chrome steel construction offers durability, while the tapered bore ensures a secure fit.

For automation systems, NN 3014 KTN/SPVR521 Bearing is ideal for robotic arms and CNC machines, where its high dynamic load capacity enhances reliability. The PA66 cage reduces friction, extending service life in continuous operations.

Medical imaging devices benefit from NN 3014 KTN/SPVR521 Bearing’s precision, as it maintains stability in high-accuracy environments. The grease or oil lubrication options provide flexibility for different operational needs.

In consumer electronics, NN 3014 KTN/SPVR521 Bearing can be found in high-performance printers, where its smooth rotation ensures consistent output. The metric sizing makes it compatible with a variety of European and Asian equipment.

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