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Double Row Super-Precision Cylindrical Roller Bearings NN 3006/SP

Double Row Super-Precision Cylindrical Roller Bearings NN 3006/SP

The NN 3006/SP is a double-row cylindrical roller bearing with a 30mm bore and 55mm outer diameter, crafted from high-quality chrome steel. It manages combined loads up to 6930 lbf and operates smoothly at speeds up to 18000 RPM.

Its open design allows for easy lubrication with grease or oil, while the double-row construction enhances stability under heavy loads. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Suitable for precision applications like machine tools or industrial gearboxes where high-speed and load capacity are key.

Weighing just 0.19kg, it’s lightweight yet durable. Compliant with RoHS and REACH standards for safe and efficient use.

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Product Parameters

  • Part Number NN 3006/SP
  • Size 30 mm x 55 mm x 19 mm
  • Brand TFL
  • Interchangeable brand SKF
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • Bore Type Cylindrical
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 19 mm
  • Width Tolerance -0.10mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 1 mm
  • Permissible Axial Displacement(max.) 1.5 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 6930 lbf
  • Static Radial Load 8438 lbf
  • Max Speed 18000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.19 kg
Double Row Super-Precision Cylindrical Roller Bearings NN 3006/SP dimension drawing
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Features

Performance Features of NN 3006/SP Bearing

NN 3006/SP Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 6930 lbf, ensuring reliable performance in high-speed applications.
The double-row design enhances stability and load distribution, reducing wear over time.
With a maximum speed of 18,000 rpm, it delivers both durability and precision.

How Is NN 3006/SP Bearing Engineered for Reliability?

NN 3006/SP Bearing features a cylindrical bore design, allowing for precise alignment and smooth operation.
The open seal type facilitates easy lubrication with grease or oil, extending maintenance intervals.
Its temperature range of -30° to 110 °C ensures consistent performance in varying conditions.
The chamfered edges on the outer ring reduce stress concentrations, enhancing longevity.

Built for Precision: NN 3006/SP Bearing

NN 3006/SP Bearing’s double-row construction provides excellent radial load capacity and rigidity.
The high-speed capability of 18,000 rpm makes it suitable for demanding industrial applications.
Chrome steel materials resist wear and corrosion, ensuring a longer operational life.
Its compact design with a width of 19 mm fits seamlessly into precision machinery.

Steel vs Ceramic Bearings: Strengths of NN 3006/SP Bearing

NN 3006/SP Bearing uses chrome steel for both rings and rollers, balancing cost and performance.
The material choice ensures high load capacity and durability without the brittleness of ceramics.
Its design allows for easy lubrication, reducing friction and heat generation.
With a static radial load of 8438 lbf, it handles heavy-duty applications reliably.

Why Choose NN 3006/SP Bearing for Precision Tasks?

NN 3006/SP Bearing’s tight tolerances ensure precise alignment and smooth rotation.
The double-row cylindrical roller design distributes loads evenly, minimising vibration.
Its high-speed capability and temperature resistance make it versatile for various environments.
The open construction allows for flexible lubrication options, adapting to different operational needs.

Application

Industrial Uses of NN 3006/SP Bearing
NN 3006/SP Bearing is commonly used in machine tools, where its double-row design provides excellent radial load capacity. The high-speed capability makes it suitable for spindle applications in milling and grinding machines.

Where Is NN 3006/SP Bearing Used?
In automotive transmissions, NN 3006/SP Bearing ensures smooth operation under combined loads. Its precision construction helps reduce vibration and noise in high-performance gearboxes.

Optimized for Performance: NN 3006/SP Bearing
For robotics and automation, NN 3006/SP Bearing offers reliable support in articulated arms and linear guides. The open design allows for easy lubrication, extending service life in continuous operations.

Medical vs Industrial: Where NN 3006/SP Bearing Excels
In medical imaging devices, NN 3006/SP Bearing’s precision ensures accurate positioning of rotating components. Industrial pumps also benefit from its durability and high-speed performance.

Practical Applications of NN 3006/SP Bearing
NN 3006/SP Bearing is a popular choice for printing machinery, where its cylindrical rollers handle heavy paper feeds. The grease or oil lubrication options adapt to various operating conditions.

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