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Double Row Super-Precision Cylindrical Roller Bearings NN 3009 KTN/SP

Double Row Super-Precision Cylindrical Roller Bearings NN 3009 KTN/SP

The NN 3009 KTN/SP is a double-row cylindrical roller bearing with a 45mm bore and 75mm outer diameter, crafted from high-quality chrome steel. It handles combined loads up to 11272 lbf and reaches speeds of 14000 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 and durability. 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 and axial loads are present.

Weighing just 0.37kg, it’s a robust yet lightweight choice for industrial use. Compliant with RoHS and REACH standards for safety and environmental responsibility.

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Product Parameters

  • Part Number NN 3009 KTN/SP
  • Size 45 mm x 75 mm x 23 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 45 mm
  • Bore Dia Tolerance 0 to +0.012mm
  • Outer Dia 75 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 23 mm
  • Width Tolerance -0.12mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 1 mm
  • Chamfer Dimension Inner Ring(r3,4)(min.) 0.6 mm
  • Permissible Axial Displacement(max.) 1.5 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 11272 lbf
  • Static Radial Load 14738 lbf
  • Max Speed 14000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.37 kg
  • Cage Material PA66 cage, roller centred
Double Row Super-Precision Cylindrical Roller Bearings NN 3009 KTN/SP dimension drawing
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Features

Performance Features of NN 3009 KTN/SP Bearing

NN 3009 KTN/SP Bearing is designed with double-row cylindrical rollers, offering high radial load capacity up to 11272 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 operational stability.
With a maximum speed of 14,000 rpm, it delivers smooth performance in high-speed environments.

NN 3009 KTN/SP Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design and PA66 cage ensure reliable lubrication and reduced friction.

The bearing’s combined load capability makes it versatile for various industrial uses.
Its static radial load capacity of 14738 lbf ensures long-term reliability under heavy loads.

Application

Industrial Uses of NN 3009 KTN/SP Bearing
NN 3009 KTN/SP Bearing is commonly used in machine tools, where its double-row design handles both radial and axial loads efficiently. The high-speed capability makes it suitable for spindle applications in milling and grinding machines.

What Makes NN 3009 KTN/SP Bearing a Preferred Choice?
In automotive transmissions, NN 3009 KTN/SP Bearing ensures smooth operation under combined loads, thanks to its precision cylindrical rollers. The tapered bore design also simplifies installation in gearbox assemblies.

Built for Heavy-Duty Use: NN 3009 KTN/SP Bearing
For robotics and automation, NN 3009 KTN/SP Bearing provides reliable performance in robotic arms and linear guides. Its PA66 cage reduces friction, making it ideal for high-speed, repetitive movements.

Medical vs Industrial: Where NN 3009 KTN/SP Bearing Excels
In medical imaging devices, NN 3009 KTN/SP Bearing’s chrome steel construction offers durability and precision. Meanwhile, in industrial pumps, its grease lubrication ensures long service life even in demanding conditions.

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