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Double Row Super-Precision Cylindrical Roller Bearings NN 3014 KTN/SPW33

Double Row Super-Precision Cylindrical Roller Bearings NN 3014 KTN/SPW33

The NN 3014 KTN/SPW33 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 a robust choice for precision 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, suitable for various industrial environments.

With a tapered bore for secure fitting, this model is interchangeable with SKF bearings, ideal for replacements. Perfect for machine tools or gearboxes where high precision and durability are required.

Weighing 0.99kg, it’s designed for stability and long service life. Compliant with RoHS and REACH standards, it’s a reliable option for demanding applications.

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Product Parameters

  • Part Number NN 3014 KTN/SPW33
  • 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/SPW33 dimension drawing
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Features

Performance Features of NN 3014 KTN/SPW33 Bearing

NN 3014 KTN/SPW33 Bearing is designed with double-row cylindrical rollers, providing high radial load capacity up to 21780 lbf.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.
The tapered bore design allows for precise mounting and alignment, enhancing performance.
With a maximum speed of 9000 rpm, it is suitable for high-speed operations.

How Does NN 3014 KTN/SPW33 Bearing Reduce Friction?

NN 3014 KTN/SPW33 Bearing features a PA66 cage that centres the rollers, reducing friction and improving efficiency.
The annular lubrication groove ensures consistent grease or oil distribution, minimising wear.
Its chrome steel rollers and rings are polished for smooth operation, even under heavy loads.
This design helps maintain performance over extended periods.

Built for Reliability: NN 3014 KTN/SPW33 Bearing

NN 3014 KTN/SPW33 Bearing is engineered to handle combined loads, making it versatile for various applications.
Its static radial load capacity of 33750 lbf ensures stability in heavy-duty conditions.
The open seal design allows for easy lubrication, extending the bearing’s service life.
It operates efficiently within a temperature range of -30° to 110°C.

Steel vs Ceramic Bearings: Strengths of NN 3014 KTN/SPW33 Bearing

NN 3014 KTN/SPW33 Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
This material choice provides better resistance to heavy loads compared to ceramic alternatives.
The bearing’s design includes precise tolerances, ensuring reliable performance in industrial settings.
Its high-speed capability of 9000 rpm makes it a practical choice for many applications.

Application

Industrial Uses of NN 3014 KTN/SPW33 Bearing
NN 3014 KTN/SPW33 Bearing is commonly used in machine tools, where its double-row design handles high radial and axial loads with precision. The tapered bore ensures a secure fit, reducing slippage during operation.
In automation systems, NN 3014 KTN/SPW33 Bearing supports robotic arms, providing smooth movement even at high speeds. Its open design allows for easy lubrication, extending service life in demanding environments.

What Makes NN 3014 KTN/SPW33 Bearing a Preferred Choice?
NN 3014 KTN/SPW33 Bearing excels in wind turbines, where its chrome steel construction withstands harsh weather conditions. The grease or oil lubrication options make it adaptable to different maintenance schedules.
For printing machinery, NN 3014 KTN/SPW33 Bearing ensures consistent performance, reducing downtime. Its high-speed capability is ideal for maintaining print quality over long runs.

Built for Heavy-Duty Use: NN 3014 KTN/SPW33 Bearing
NN 3014 KTN/SPW33 Bearing is a reliable choice for construction equipment, handling heavy loads without compromising stability. The PA66 cage reduces friction, improving efficiency.
In packaging lines, NN 3014 KTN/SPW33 Bearing keeps conveyors running smoothly, even under continuous use. Its temperature range ensures performance in varying factory conditions.

Automotive vs Aerospace: Applications of NN 3014 KTN/SPW33 Bearing
In automotive gearboxes, NN 3014 KTN/SPW33 Bearing provides durability under combined loads. Its metric sizing fits seamlessly into European and Asian vehicle designs.
For aerospace applications, NN 3014 KTN/SPW33 Bearing offers precision in flight control systems. The high-speed rating and grease compatibility meet stringent industry standards.

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