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Double Row Super-Precision Cylindrical Roller Bearings NN 3011 KTN/SPVR522

Double Row Super-Precision Cylindrical Roller Bearings NN 3011 KTN/SPVR522

The NN 3011 KTN/SPVR522 is a double-row cylindrical roller bearing with a 55mm bore and 90mm outer diameter, built for combined loads. It handles radial loads up to 15592 lbf and spins smoothly at speeds up to 12000 RPM.

Made from durable chrome steel, it features a PA66 cage for reliable performance. The open design allows easy lubrication with grease or oil, suitable for temperatures from -30°C to 110°C.

Its tapered bore ensures secure fitting, while the double-row construction provides stability under heavy loads. Ideal for precision applications like machine tools or industrial gearboxes.

Weighing 0.6kg, it’s a robust yet compact choice. Compliant with RoHS and REACH standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number NN 3011 KTN/SPVR522
  • Size 55 mm x 90 mm x 26 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 55 mm
  • Bore Dia Tolerance 0 to +0.015mm
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.010mm to 0
  • Width 26 mm
  • Width Tolerance -0.15mm 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.) 1.5 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 15592 lbf
  • Static Radial Load 21712 lbf
  • Max Speed 12000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.6 kg
  • Cage Material PA66 cage, roller centred
Double Row Super-Precision Cylindrical Roller Bearings NN 3011 KTN/SPVR522 dimension drawing
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Features

Performance Features of NN 3011 KTN/SPVR522 Bearing

NN 3011 KTN/SPVR522 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 15592 lbf, ensuring reliable performance in demanding conditions.

The double-row design of NN 3011 KTN/SPVR522 Bearing enhances stability and load distribution.
With a maximum speed of 12,000 rpm, it balances precision and efficiency for high-speed applications.

NN 3011 KTN/SPVR522 Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its PA66 cage keeps rollers centred, reducing wear and extending service life.

The open seal design of NN 3011 KTN/SPVR522 Bearing allows for easy lubrication with grease or oil.
This ensures minimal maintenance while maintaining optimal performance.

Application

Industrial Uses of NN 3011 KTN/SPVR522 Bearing
NN 3011 KTN/SPVR522 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 CNC machines.

Where Is NN 3011 KTN/SPVR522 Bearing Used?
In automotive transmissions, NN 3011 KTN/SPVR522 Bearing ensures smooth operation under combined loads. Its tapered bore design simplifies installation in gearboxes and differential systems.

Perfect Fit for Automation: NN 3011 KTN/SPVR522 Bearing
NN 3011 KTN/SPVR522 Bearing works well in robotic arms, providing precision and stability for repetitive movements. The open seal design allows for easy lubrication in high-performance environments.

Medical vs Industrial: Where NN 3011 KTN/SPVR522 Bearing Excels
NN 3011 KTN/SPVR522 Bearing is ideal for medical imaging devices, offering reliable performance under precise conditions. In industrial settings, it supports heavy machinery like compressors and pumps.

Light-Duty vs Heavy-Duty: Best Uses for NN 3011 KTN/SPVR522 Bearing
For light-duty applications, NN 3011 KTN/SPVR522 Bearing fits well in precision instruments like measuring devices. In heavy-duty scenarios, it excels in rolling mills and large gearboxes.

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