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Double Row Super-Precision Cylindrical Roller Bearings NN 3022 KTN9/SPVR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3022 KTN9/SPVR521

The NN 3022 KTN9/SPVR521 is a double-row cylindrical roller bearing with a 110mm bore and 170mm outer diameter, crafted from high-quality chrome steel. It handles combined loads up to 49500 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 can withstand temperatures from -30°C to 110°C, making it versatile for various conditions.

With a tapered bore (1:12 ratio), it offers secure fitting and can handle axial displacement up to 3mm. This model is interchangeable with SKF bearings, ideal for precision applications like machine tools or industrial gearboxes.

Weighing 3.4kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for demanding environments.

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Product Parameters

  • Part Number NN 3022 KTN9/SPVR521
  • 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 3.4 kg
  • Cage Material PA66 cage, roller centred
Double Row Super-Precision Cylindrical Roller Bearings NN 3022 KTN9/SPVR521 dimension drawing
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Features

How Does NN 3022 KTN9/SPVR521 Bearing Handle Combined Loads?

NN 3022 KTN9/SPVR521 Bearing features a double-row cylindrical roller design, ideal for handling both radial and axial loads.
Its chrome steel construction ensures high strength and durability under dynamic radial loads up to 49,500 lbf.
The PA66 cage keeps rollers centred, reducing friction and improving efficiency.
With a maximum speed of 6,000 rpm, it performs reliably in demanding applications.

Why Choose NN 3022 KTN9/SPVR521 Bearing for Precision Tasks?

NN 3022 KTN9/SPVR521 Bearing is precision-engineered with a taper bore for accurate alignment.
Its open design allows for easy lubrication with grease or oil, enhancing performance.
The bearing operates smoothly within a temperature range of -30° to 110°C.
Its high static radial load capacity of 81,000 lbf ensures long-term reliability.

Engineered for Efficiency: NN 3022 KTN9/SPVR521 Bearing

NN 3022 KTN9/SPVR521 Bearing’s double-row rollers distribute loads evenly, reducing wear.
The chrome steel rollers and rings provide excellent resistance to fatigue and deformation.
Its compact design, at 45 mm width, fits seamlessly into various machinery.
The bearing’s high-speed capability makes it suitable for precision industrial applications.

Steel vs Ceramic Bearings: Strengths of NN 3022 KTN9/SPVR521 Bearing

NN 3022 KTN9/SPVR521 Bearing uses chrome steel for its rollers and rings, offering superior load capacity.
This material choice ensures durability and resistance to wear in high-stress environments.
The bearing’s design allows for permissible axial displacement up to 3 mm.
Its compatibility with both grease and oil lubrication adds to its versatility.

Performance Features of NN 3022 KTN9/SPVR521 Bearing

NN 3022 KTN9/SPVR521 Bearing’s double-row construction enhances stability under heavy loads.
The taper bore design simplifies installation and ensures precise alignment.
Its wide operating temperature range makes it suitable for diverse environments.
The bearing’s high dynamic and static load ratings ensure reliable performance in demanding conditions.

Application

Industrial Uses of NN 3022 KTN9/SPVR521 Bearing
NN 3022 KTN9/SPVR521 Bearing is commonly used in machine tools, where its double-row design handles high radial and axial loads with precision. The tapered bore ensures a secure fit, reducing slippage during operation.

In automotive applications, NN 3022 KTN9/SPVR521 Bearing supports gearboxes and drivetrains, offering stability under combined loads. Its chrome steel construction provides durability, even in high-speed scenarios.

For automation systems, NN 3022 KTN9/SPVR521 Bearing is ideal for robotic arms, where smooth movement and accuracy are essential. The open seal design allows for easy lubrication, extending service life.

What Makes NN 3022 KTN9/SPVR521 Bearing a Preferred Choice?
NN 3022 KTN9/SPVR521 Bearing excels in heavy machinery, such as rolling mills, due to its high dynamic load capacity. The PA66 cage ensures quiet operation, even at maximum speeds.

In wind turbines, NN 3022 KTN9/SPVR521 Bearing handles variable loads and harsh conditions reliably. Its grease or oil lubrication options make it adaptable to different environmental requirements.

Q&A

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