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Double Row Super-Precision Cylindrical Roller Bearings NN 3011 KTN/UPVR522

Double Row Super-Precision Cylindrical Roller Bearings NN 3011 KTN/UPVR522

The NN 3011 KTN/UPVR522 is a double-row cylindrical roller bearing with a 55mm bore and 90mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 15592 lbf and spins smoothly at speeds up to 12000 RPM.

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

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

Weighing just 0.6kg, it’s compact yet robust for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NN 3011 KTN/UPVR522
  • 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 -0.007mm to 0
  • Width 26 mm
  • Width Tolerance -0.10mm 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/UPVR522 dimension drawing
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Features

Performance Features of NN 3011 KTN/UPVR522 Bearing

NN 3011 KTN/UPVR522 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 applications.

The double-row design of NN 3011 KTN/UPVR522 Bearing enhances stability and load distribution.
With a maximum speed of 12,000 rpm, it balances durability and efficiency for precision tasks.

NN 3011 KTN/UPVR522 Bearing operates smoothly in temperatures ranging from -30° to 110 °C.
The PA66 cage keeps rollers centred, reducing wear and extending service life.

NN 3011 KTN/UPVR522 Bearing’s open design allows for easy lubrication with grease or oil.
Its tapered bore ensures secure fitting, minimising installation time and effort.

Application

Industrial Uses of NN 3011 KTN/UPVR522 Bearing
NN 3011 KTN/UPVR522 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 milling and grinding machines.

In automotive systems, NN 3011 KTN/UPVR522 Bearing supports gearboxes and drivetrains, ensuring smooth power transmission. Its tapered bore allows for precise mounting, reducing vibration in high-performance vehicles.

For automation equipment, NN 3011 KTN/UPVR522 Bearing provides reliable motion control in robotic arms and CNC machines. The open design simplifies lubrication, extending service life in continuous operation.

What Makes NN 3011 KTN/UPVR522 Bearing a Preferred Choice?
NN 3011 KTN/UPVR522 Bearing excels in wind turbines, where its combined load capacity withstands harsh conditions. The chrome steel construction ensures durability in heavy-duty applications.

In printing machinery, NN 3011 KTN/UPVR522 Bearing maintains precision alignment for consistent print quality. The grease lubrication option reduces maintenance needs in high-speed presses.

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