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Double Row Super-Precision Cylindrical Roller Bearings NN 3022 KTN9/SPW33VR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3022 KTN9/SPW33VR521

The NN 3022 KTN9/SPW33VR521 is a double-row cylindrical roller bearing with a 110mm bore and 170mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 49500 lbf and reaches speeds of 6000 RPM.

Its open design allows for easy lubrication with grease or oil, while the PA66 cage ensures smooth operation. The bearing performs 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 versatile choice. Ideal for high-precision machinery like spindles or gearboxes where stability is key.

Weighing 3.38kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe industrial use.

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Product Parameters

  • Part Number NN 3022 KTN9/SPW33VR521
  • Size 110 mm x 170 mm x 45 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 110 mm
  • Bore Dia Tolerance 0 to +0.020mm
  • 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
  • Chamfer Dimension Inner Ring(r3,4)(min.) 1.1 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 3.38 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 KTN9/SPW33VR521 dimension drawing
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Features

Performance Features of NN 3022 KTN9/SPW33VR521 Bearing

NN 3022 KTN9/SPW33VR521 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 cylindrical design ensures stability and precision, even at high speeds up to 6,000 rpm.
With a PA66 cage, the rollers stay centred, reducing friction and wear.

NN 3022 KTN9/SPW33VR521 Bearing operates efficiently in temperatures from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, ensuring smooth performance.

The tapered bore design simplifies installation and alignment.
This feature, combined with the annular lubrication groove, enhances the bearing’s longevity and reliability.

Application

Industrial Uses of NN 3022 KTN9/SPW33VR521 Bearing
NN 3022 KTN9/SPW33VR521 Bearing is commonly used in heavy-duty machine tools, 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.

In automotive applications, NN 3022 KTN9/SPW33VR521 Bearing supports gearboxes and drivetrains, providing stability under combined loads. Its chrome steel construction offers durability, even in demanding driving conditions.

For automation systems, NN 3022 KTN9/SPW33VR521 Bearing is ideal for robotic arms and precision machinery, thanks to its high-speed capability and low friction. The open seal design allows for easy lubrication, extending service life.

In medical imaging devices, NN 3022 KTN9/SPW33VR521 Bearing ensures smooth rotation, critical for accurate diagnostics. The PA66 cage material reduces noise, making it suitable for sensitive environments.

Consumer electronics like high-performance printers benefit from NN 3022 KTN9/SPW33VR521 Bearing’s precision, ensuring consistent paper feed and print quality. Its compact size fits well in space-constrained designs.

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