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Double Row Super-Precision Cylindrical Roller Bearings NN 3022 TN9/SPW33

Double Row Super-Precision Cylindrical Roller Bearings NN 3022 TN9/SPW33

The NN 3022 TN9/SPW33 is a double-row cylindrical roller bearing with a 110mm bore and 170mm outer diameter, crafted from robust chrome steel. It handles combined loads up to 49500 lbf and operates smoothly at speeds up to 6000 RPM.

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

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 where accuracy is key.

Weighing 3.48kg, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe and sustainable use.

The 45mm width and 3mm axial displacement tolerance offer flexibility in tight spaces. The lubrication groove and holes simplify maintenance, extending its service life.

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Product Parameters

  • Part Number NN 3022 TN9/SPW33
  • Size 110 mm x 170 mm x 45 mm
  • Brand TFL
  • Interchangeable brand SKF
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • Bore Type Cylindrical
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Bore Dia 110 mm
  • Bore Dia Tolerance -0.010mm to 0
  • Outer Dia 170 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 45 mm
  • Width Tolerance -0.20mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 2 mm
  • Permissible Axial Displacement(max.) 3 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 49500 lbf
  • Static Radial Load 81000 lbf
  • Max Speed 6000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 3.48 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 3022 TN9/SPW33 dimension drawing
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Features

Performance Features of NN 3022 TN9/SPW33 Bearing

NN 3022 TN9/SPW33 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 49,500 lbf, making it suitable for demanding industrial applications.

The double-row design enhances stability and load distribution, improving overall performance.
With a maximum speed of 6,000 rpm, it ensures smooth operation in high-speed environments.

NN 3022 TN9/SPW33 Bearing’s PA66 cage keeps the rollers centred, reducing friction and wear.
It operates efficiently in temperatures ranging from -30° to 110°C, adapting to various working conditions.

The open seal design allows for easy lubrication with grease or oil, extending maintenance intervals.
Its precise dimensions and tolerances ensure reliable performance in precision machinery.

Application

Industrial Uses of NN 3022 TN9/SPW33 Bearing
NN 3022 TN9/SPW33 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 open seal type allows for easy lubrication, extending its lifespan in demanding conditions.

In automotive applications, NN 3022 TN9/SPW33 Bearing supports high-speed components such as gearboxes and drivetrains. Its chrome steel construction ensures durability, even under constant stress and varying temperatures.

For automation systems, NN 3022 TN9/SPW33 Bearing is ideal for robotic arms and precision equipment, thanks to its high-speed capability and stable performance. The PA66 cage material reduces friction, making it a reliable choice for smooth operations.

What Makes NN 3022 TN9/SPW33 Bearing a Preferred Choice?
NN 3022 TN9/SPW33 Bearing excels in medical imaging devices, where precision and reliability are critical. The grease or oil lubrication options provide flexibility for different operational needs.

In consumer electronics, NN 3022 TN9/SPW33 Bearing can be found in high-performance printers and industrial fans. Its combined load capacity ensures consistent performance in both light and heavy-duty applications.

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