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Double Row Super-Precision Cylindrical Roller Bearings NN 3020 KTN9/UPW33VR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3020 KTN9/UPW33VR521

The NN 3020 KTN9/UPW33VR521 is a double-row cylindrical roller bearing with a 100mm bore and 150mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 33975 lbf and operates smoothly at speeds up to 6000 RPM.

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

With a tapered bore for secure fitting, this model is interchangeable with SKF bearings, making it a reliable choice for replacements. Ideal for applications like machine tools or industrial gearboxes where precision and durability are key.

Weighing 2.08kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number NN 3020 KTN9/UPW33VR521
  • Size 100 mm x 150 mm x 37 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 100 mm
  • Bore Dia Tolerance 0 to +0.020mm
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 37 mm
  • Width Tolerance -0.10mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 1.5 mm
  • Chamfer Dimension Inner Ring(r3,4)(min.) 1 mm
  • Permissible Axial Displacement(max.) 2 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 33975 lbf
  • Static Radial Load 56250 lbf
  • Max Speed 6000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.08 kg
  • Cage Material PA66 cage, roller centred
  • Width Annular Lubrication Groove Outer Ring(B1) 5.5 mm
  • Diameter Lubrication Hole (outer Ring) (K) 3 mm
Double Row Super-Precision Cylindrical Roller Bearings NN 3020 KTN9/UPW33VR521 dimension drawing
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Features

Performance Features of NN 3020 KTN9/UPW33VR521 Bearing

NN 3020 KTN9/UPW33VR521 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 33975 lbf, making it suitable for heavy-duty applications.

The double-row design enhances stability and load distribution, improving overall performance.
With a maximum speed of 6000 rpm, it ensures efficient operation in various conditions.

NN 3020 KTN9/UPW33VR521 Bearing’s PA66 cage keeps rollers centred, reducing friction and wear.
Its grease or oil lubrication options provide flexibility for different maintenance needs.

The bearing operates in temperatures from -30° to 110°C, adapting to diverse environments.
Its precision engineering ensures reliable performance in demanding industrial applications.

Application

Industrial Uses of NN 3020 KTN9/UPW33VR521 Bearing
NN 3020 KTN9/UPW33VR521 Bearing is commonly used in heavy machinery like lathes and milling machines, where its double-row design handles both radial and axial loads efficiently. The chrome steel construction ensures durability even in demanding industrial environments.

Where Is NN 3020 KTN9/UPW33VR521 Bearing Used?
You’ll often find NN 3020 KTN9/UPW33VR521 Bearing in automotive gearboxes, where its high-speed capability and precision are essential. The tapered bore design also makes it easy to install and adjust for optimal performance.

Built for Heavy-Duty Use: NN 3020 KTN9/UPW33VR521 Bearing
NN 3020 KTN9/UPW33VR521 Bearing excels in applications like wind turbines, where its grease or oil lubrication options provide flexibility for different operating conditions. The PA66 cage helps reduce friction and wear over time.

Automotive vs Aerospace: Applications of NN 3020 KTN9/UPW33VR521 Bearing
In automotive systems, NN 3020 KTN9/UPW33VR521 Bearing supports high-speed rotations in drivetrains, while in aerospace, its precision is valued for actuator mechanisms. The combined load capacity makes it versatile across industries.

Perfect Fit for Automation: NN 3020 KTN9/UPW33VR521 Bearing
NN 3020 KTN9/UPW33VR521 Bearing is ideal for robotic arms and CNC machines, where its low friction and high accuracy ensure smooth operation. The open seal design allows for easy maintenance in automated systems.

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