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Double Row Super-Precision Cylindrical Roller Bearings NN 3014 KTN/UPW33

Double Row Super-Precision Cylindrical Roller Bearings NN 3014 KTN/UPW33

The NN 3014 KTN/UPW33 is a double-row cylindrical roller bearing with a 70mm bore and 110mm outer diameter, crafted from high-quality chrome steel. It handles combined loads up to 21780 lbf and reaches speeds of 9000 RPM, making it suitable for demanding applications.

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

With a tapered bore for secure fitting, this model is interchangeable with SKF bearings, offering flexibility for replacements. Ideal for machine tools or industrial gearboxes where precision and durability are key.

Weighing 0.99kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for various engineering needs.

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Product Parameters

  • Part Number NN 3014 KTN/UPW33
  • 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 -0.007mm to 0
  • Width 30 mm
  • Width Tolerance -0.10mm 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 0.99 kg
  • Cage Material PA66 cage, roller centred
  • Width Annular Lubrication Groove Outer Ring(B1) 5.5 mm
  • Diameter Lubrication Hole (outer Ring) (K) 3 mm
Double Row Super-Precision Cylindrical Roller Bearings NN 3014 KTN/UPW33 dimension drawing
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Features

Performance Features of NN 3014 KTN/UPW33 Bearing

NN 3014 KTN/UPW33 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 21780 lbf, ensuring reliable performance in heavy-duty applications.

The double-row design of NN 3014 KTN/UPW33 Bearing enhances stability and load distribution.
With a maximum speed of 9000 rpm, it delivers efficient operation in high-speed environments.

NN 3014 KTN/UPW33 Bearing’s PA66 cage keeps the rollers centred, reducing friction and wear.
Its open design allows for easy lubrication with grease or oil, extending service life.

The tapered bore of NN 3014 KTN/UPW33 Bearing ensures secure mounting and alignment.
It operates smoothly in temperatures ranging from -30° to 110°C, adapting to various working conditions.

Application

Common Applications of NN 3014 KTN/UPW33 Bearing
NN 3014 KTN/UPW33 Bearing is widely 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 automotive transmissions, NN 3014 KTN/UPW33 Bearing provides stability under combined loads, making it suitable for gearboxes and differential systems. Its chrome steel construction offers durability even in demanding driving conditions.

For robotics, NN 3014 KTN/UPW33 Bearing’s precision and low friction support smooth movement in robotic arms and automated assembly lines. The open seal design allows for easy lubrication, extending service life.

In industrial fans, NN 3014 KTN/UPW33 Bearing’s high-speed capability ensures reliable performance with minimal maintenance. The grease or oil lubrication options make it adaptable to various operating environments.

Medical imaging devices benefit from NN 3014 KTN/UPW33 Bearing’s precision, ensuring accurate positioning in scanners and diagnostic equipment. The PA66 cage reduces vibration, enhancing patient comfort during procedures.

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