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Double Row Super-Precision Cylindrical Roller Bearings NN 3009 KTN/SPVR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3009 KTN/SPVR521

The NN 3009 KTN/SPVR521 is a double-row cylindrical roller bearing with a 45mm bore and 75mm outer diameter, crafted from high-quality chrome steel. Its compact 23mm width makes it suitable for tight spaces while handling combined loads up to 11272 lbf.

With a maximum speed of 14000 RPM, it offers smooth operation in demanding conditions. The open design allows for easy lubrication with grease or oil, and the PA66 cage ensures reliable roller alignment.

This bearing features a 1:12 taper bore for secure fitting and can handle axial displacement up to 1.5mm. It performs well in temperatures ranging from -30°C to 110°C.

Ideal for precision applications like machine tool spindles or high-speed gearboxes, it’s interchangeable with SKF bearings. Weighing 0.37kg, it meets RoHS and REACH standards for safe industrial use.

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Product Parameters

  • Part Number NN 3009 KTN/SPVR521
  • 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/SPVR521 dimension drawing
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Features

Performance Features of NN 3009 KTN/SPVR521 Bearing

NN 3009 KTN/SPVR521 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 11272 lbf, ensuring reliable performance in demanding applications.

The double-row design of NN 3009 KTN/SPVR521 Bearing enhances stability and load distribution.
With a maximum speed of 14000 rpm, it balances precision and efficiency for high-speed operations.

NN 3009 KTN/SPVR521 Bearing operates smoothly in temperatures ranging from -30° to 110 °C.
The PA66 cage keeps rollers centred, reducing friction and extending service life.

NN 3009 KTN/SPVR521 Bearing’s open design allows for easy lubrication with grease or oil.
Its tapered bore ensures secure fitting, minimising slippage during operation.

Application

Industrial Uses of NN 3009 KTN/SPVR521 Bearing
NN 3009 KTN/SPVR521 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.

Where Is NN 3009 KTN/SPVR521 Bearing Used?
In automotive applications, NN 3009 KTN/SPVR521 Bearing supports gearboxes and drivetrains, offering stability at high speeds. Its chrome steel construction provides durability under heavy loads.

Built for Heavy-Duty Use: NN 3009 KTN/SPVR521 Bearing
This bearing excels in robotics, where its high-speed capability and low friction are essential for smooth movement. The open design allows for easy lubrication, extending service life.

Automotive vs Aerospace: Applications of NN 3009 KTN/SPVR521 Bearing
In automotive systems, NN 3009 KTN/SPVR521 Bearing ensures reliable performance in transmissions. For aerospace, its precision and load capacity make it suitable for critical components.

Practical Applications of NN 3009 KTN/SPVR521 Bearing
NN 3009 KTN/SPVR521 Bearing is ideal for industrial fans, where its high-speed tolerance reduces wear. The grease or oil lubrication options adapt to various operating conditions.

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