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Double Row Super-Precision Cylindrical Roller Bearings NN 3008 KTN/SPC1LVR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3008 KTN/SPC1LVR521

The NN 3008 KTN/SPC1LVR521 is a double-row cylindrical roller bearing with a 40mm bore and 68mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 9652 lbf and spins smoothly at speeds up to 15000 RPM.

Its open design allows easy lubrication with grease or oil, while the PA66 cage ensures stable performance. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a reliable choice for replacements. Ideal for precision applications like machine tools or industrial gearboxes where high radial loads are common.

Weighing just 0.28kg, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NN 3008 KTN/SPC1LVR521
  • Size 40 mm x 68 mm x 21 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 40 mm
  • Bore Dia Tolerance 0 to +0.012mm
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 21 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 9652 lbf
  • Static Radial Load 12600 lbf
  • Max Speed 15000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.28 kg
  • Cage Material PA66 cage, roller centred
Double Row Super-Precision Cylindrical Roller Bearings NN 3008 KTN/SPC1LVR521 dimension drawing
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Features

Performance Features of NN 3008 KTN/SPC1LVR521 Bearing

NN 3008 KTN/SPC1LVR521 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 9652 lbf, ensuring robust performance in demanding conditions.

The double-row design enhances stability, making it suitable for precision applications.
With a maximum speed of 15,000 rpm, it delivers both durability and efficiency.

NN 3008 KTN/SPC1LVR521 Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its PA66 cage keeps rollers centred, reducing friction and extending service life.

The open seal design allows for easy lubrication with grease or oil.
This ensures minimal maintenance while maintaining optimal performance over time.

Application

Industrial Uses of NN 3008 KTN/SPC1LVR521 Bearing
NN 3008 KTN/SPC1LVR521 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 3008 KTN/SPC1LVR521 Bearing supports gearboxes and drivetrains, offering reliable performance under combined loads. Its chrome steel construction provides durability in demanding conditions.

For automation systems, NN 3008 KTN/SPC1LVR521 Bearing is ideal for robotic arms, ensuring smooth movement with minimal maintenance. The open seal design allows for easy lubrication, extending its service life.

In medical imaging devices, NN 3008 KTN/SPC1LVR521 Bearing’s precision and low noise make it suitable for sensitive equipment. The PA66 cage material reduces friction, enhancing overall efficiency.

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