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Double Row Super-Precision Cylindrical Roller Bearings NN 3020 KTN9/SPW33VR522

Double Row Super-Precision Cylindrical Roller Bearings NN 3020 KTN9/SPW33VR522

The NN 3020 KTN9/SPW33VR522 is a double-row cylindrical roller bearing with a 100mm bore and 150mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 33975 lbf and runs smoothly at speeds up to 6000 RPM.

Its open design allows easy lubrication with grease or oil, while the PA66 cage ensures smooth operation. The bearing works reliably in temperatures from -30°C to 110°C.

With a tapered bore for secure fitting, this model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for high-precision applications like machine tools or industrial gearboxes.

Weighing 2.08kg, 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 3020 KTN9/SPW33VR522
  • 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 -0.013mm to 0
  • Width 37 mm
  • Width Tolerance -0.20mm 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/SPW33VR522 dimension drawing
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Features

Performance Features of NN 3020 KTN9/SPW33VR522 Bearing

NN 3020 KTN9/SPW33VR522 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 demanding industrial applications.
The PA66 cage keeps the rollers centred, ensuring smooth operation and reduced wear.
With a maximum speed of 6000 rpm, it delivers reliable performance in high-speed conditions.

How Is NN 3020 KTN9/SPW33VR522 Bearing Engineered for Reliability?

NN 3020 KTN9/SPW33VR522 Bearing features a double-row cylindrical design, providing excellent load distribution.
The taper bore (1:12) ensures secure fitting, reducing slippage during operation.
Its open seal type allows for easy lubrication with grease or oil, enhancing longevity.
The temperature range of -30° to 110 °C ensures consistent performance in varied environments.

Built for Durability: NN 3020 KTN9/SPW33VR522 Bearing

NN 3020 KTN9/SPW33VR522 Bearing’s chrome steel construction resists wear, extending its service life.
The annular lubrication groove and holes facilitate efficient grease or oil distribution.
With a static radial load capacity of 56250 lbf, it handles heavy-duty applications with ease.
Its precise tolerances ensure smooth operation and minimal vibration.

Steel vs Ceramic Bearings: Strengths of NN 3020 KTN9/SPW33VR522 Bearing

NN 3020 KTN9/SPW33VR522 Bearing uses chrome steel for both rings and rollers, offering high strength and durability.
This material choice ensures better load capacity and resistance to deformation compared to ceramic options.
The bearing’s design includes lubrication features, reducing friction and heat buildup.
Its combined load capability makes it versatile for various industrial uses.

Why Choose NN 3020 KTN9/SPW33VR522 Bearing for Precision Tasks?

NN 3020 KTN9/SPW33VR522 Bearing’s double-row design provides superior radial and axial load support.
The precise tolerances and tapered bore ensure accurate alignment in high-precision machinery.
Its PA66 cage minimises friction, contributing to quieter and smoother operation.
With a wide temperature range, it performs reliably in diverse operating conditions.

Application

Industrial Uses of NN 3020 KTN9/SPW33VR522 Bearing
NN 3020 KTN9/SPW33VR522 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 tapered bore ensures a secure fit, reducing slippage during high-speed operations.

What Makes NN 3020 KTN9/SPW33VR522 Bearing a Preferred Choice?
In automotive applications, NN 3020 KTN9/SPW33VR522 Bearing supports gearboxes and drivetrains, offering reliable performance under combined loads. Its chrome steel construction and PA66 cage provide durability and smooth operation even in demanding conditions.

Built for Heavy-Duty Use: NN 3020 KTN9/SPW33VR522 Bearing
For automation systems, NN 3020 KTN9/SPW33VR522 Bearing is ideal for robotic arms and precision equipment, thanks to its high-speed capability and minimal axial displacement. The open design allows for easy lubrication, extending service life.

Medical vs Industrial: Where NN 3020 KTN9/SPW33VR522 Bearing Excels
In medical imaging devices, NN 3020 KTN9/SPW33VR522 Bearing ensures precise movement with minimal vibration, crucial for accurate diagnostics. Its grease or oil lubrication options make it adaptable to various operational environments.

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