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Double Row Super-Precision Cylindrical Roller Bearings NN 3014 KTN/SPW33VR522

Double Row Super-Precision Cylindrical Roller Bearings NN 3014 KTN/SPW33VR522

The NN 3014 KTN/SPW33VR522 is a double-row cylindrical roller bearing with a 70mm tapered bore and 110mm outer diameter, crafted from high-quality chrome steel. It manages combined loads up to 21780 lbf and reaches speeds of 9000 RPM, making it suitable for demanding applications.

Its open design allows for flexible 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.

This model is interchangeable with SKF bearings, offering a reliable replacement option. Ideal for precision machinery like spindles or gearboxes where high radial loads and speed are critical.

Weighing 0.99kg, it balances durability with manageable size. Compliant with RoHS and REACH standards, it meets strict safety and environmental requirements.

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Product Parameters

  • Part Number NN 3014 KTN/SPW33VR522
  • 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 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/SPW33VR522 dimension drawing
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Features

Performance Features of NN 3014 KTN/SPW33VR522 Bearing

NN 3014 KTN/SPW33VR522 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 21780 lbf, ensuring robust performance in demanding applications.

The double-row cylindrical design enhances stability and load distribution, reducing wear over time.
With a maximum speed of 9000 rpm, it balances precision and durability for high-speed operations.

NN 3014 KTN/SPW33VR522 Bearing’s PA66 cage keeps rollers centred, minimising friction and noise.
The grease or oil lubrication options provide flexibility for different operational needs.

Designed for a temperature range of -30° to 110°C, it performs reliably in varying conditions.
Its tapered bore ensures secure fitting, reducing the risk of misalignment during installation.

Application

Industrial Uses of NN 3014 KTN/SPW33VR522 Bearing
NN 3014 KTN/SPW33VR522 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 automotive applications, NN 3014 KTN/SPW33VR522 Bearing supports gearboxes and drivetrains, offering reliable performance under heavy loads. Its chrome steel construction provides durability, even in demanding conditions.

For automation systems, NN 3014 KTN/SPW33VR522 Bearing is ideal for robotic arms, ensuring smooth movement with minimal friction. The open seal design allows for easy lubrication, extending service life.

Medical imaging devices benefit from NN 3014 KTN/SPW33VR522 Bearing’s precision, ensuring accurate positioning in scanners. The PA66 cage material reduces vibration, enhancing operational stability.

In consumer electronics, NN 3014 KTN/SPW33VR522 Bearing can be found in high-performance printers, where its low noise and high-speed capabilities improve efficiency. The metric sizing ensures compatibility with various international models.

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