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Double Row Super-Precision Cylindrical Roller Bearings NN 3017 KTN9/SPVR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3017 KTN9/SPVR521

The NN 3017 KTN9/SPVR521 is a double-row cylindrical roller bearing with an 85mm bore and 130mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 28125 lbf and spins smoothly at speeds up to 8000 RPM.

Its open design allows for 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 and axial loads are present.

Weighing 1.55kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NN 3017 KTN9/SPVR521
  • Size 85 mm x 130 mm x 34 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 85 mm
  • Bore Dia Tolerance 0 to +0.020mm
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 34 mm
  • Width Tolerance -0.20mm 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 28125 lbf
  • Static Radial Load 45900 lbf
  • Max Speed 8000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 1.55 kg
  • Cage Material PA66 cage, roller centred
Double Row Super-Precision Cylindrical Roller Bearings NN 3017 KTN9/SPVR521 dimension drawing
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Features

Performance Features of NN 3017 KTN9/SPVR521 Bearing

NN 3017 KTN9/SPVR521 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 28,125 lbf, making it suitable for heavy-duty applications.

The double-row design enhances stability and load distribution, ensuring smooth operation.
With a maximum speed of 8,000 rpm, it balances performance and durability.

NN 3017 KTN9/SPVR521 Bearing operates efficiently in temperatures from -30° to 110°C.
The PA66 cage keeps rollers centred, reducing wear and extending service life.

Its open design allows for easy lubrication with grease or oil.
The tapered bore ensures secure fitting, minimising alignment issues during installation.

Application

Industrial Uses of NN 3017 KTN9/SPVR521 Bearing
NN 3017 KTN9/SPVR521 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 3017 KTN9/SPVR521 Bearing supports gearboxes and drivetrains, offering reliable performance under combined loads. Its chrome steel construction provides durability, even in demanding conditions.

For automation systems, NN 3017 KTN9/SPVR521 Bearing is ideal for robotic arms and precision machinery, thanks to its high-speed capability and low friction. The open design allows for easy lubrication, extending service life.

Medical imaging devices benefit from NN 3017 KTN9/SPVR521 Bearing’s precision and smooth operation. The PA66 cage reduces vibration, ensuring quiet performance in sensitive environments.

In industrial fans and compressors, NN 3017 KTN9/SPVR521 Bearing’s high load capacity and temperature resistance make it a dependable choice. The metric sizing ensures compatibility with a wide range of equipment.

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