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Double Row Super-Precision Cylindrical Roller Bearings NN 3022 KTN9/SPC2W33

Double Row Super-Precision Cylindrical Roller Bearings NN 3022 KTN9/SPC2W33

The NN 3022 KTN9/SPC2W33 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 flexible 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, it’s interchangeable with SKF models, ideal for high-precision machinery like spindles or gearboxes. Weighing 3.38kg, it balances strength and precision for industrial applications.

Compliant with RoHS and REACH standards, it’s a dependable choice for engineers needing robust performance. The annular lubrication groove simplifies maintenance, extending service life.

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Product Parameters

  • Part Number NN 3022 KTN9/SPC2W33
  • 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/SPC2W33 dimension drawing
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Features

Performance Features of NN 3022 KTN9/SPC2W33 Bearing

NN 3022 KTN9/SPC2W33 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 heavy-duty applications.

The double-row design of NN 3022 KTN9/SPC2W33 Bearing ensures stability and precision in high-speed operations.
With a maximum speed of 6,000 rpm, it delivers reliable performance under demanding conditions.

NN 3022 KTN9/SPC2W33 Bearing features a PA66 cage for roller centring, reducing friction and wear.
The open seal design allows for easy lubrication with grease or oil, enhancing longevity.

Designed for a temperature range of -30° to 110°C, NN 3022 KTN9/SPC2W33 Bearing performs well in various environments.
Its tapered bore ensures secure fitting, minimising axial displacement during operation.

The annular lubrication groove in NN 3022 KTN9/SPC2W33 Bearing ensures consistent lubrication distribution.
This design reduces maintenance needs and extends the bearing’s service life.

Application

Industrial Uses of NN 3022 KTN9/SPC2W33 Bearing
NN 3022 KTN9/SPC2W33 Bearing is commonly used in heavy machinery like industrial gearboxes and large pumps, where its double-row design handles combined loads efficiently. The tapered bore ensures a secure fit, reducing slippage during high-speed operations.

Where Is NN 3022 KTN9/SPC2W33 Bearing Used?
In automotive manufacturing, NN 3022 KTN9/SPC2W33 Bearing supports high-precision components such as transmission systems and drivetrains. Its chrome steel construction offers durability under constant stress and varying temperatures.

Built for Heavy-Duty Use: NN 3022 KTN9/SPC2W33 Bearing
For automation equipment, NN 3022 KTN9/SPC2W33 Bearing provides reliable performance in robotic arms and CNC machines. The open seal design allows for easy lubrication, extending service life in demanding environments.

Automotive vs Aerospace: Applications of NN 3022 KTN9/SPC2W33 Bearing
In aerospace applications, NN 3022 KTN9/SPC2W33 Bearing is valued for its precision in landing gear systems, while in automotive, it excels in wheel hubs. The grease or oil lubrication options adapt to different operational needs.

Key Fields for NN 3022 KTN9/SPC2W33 Bearing
NN 3022 KTN9/SPC2W33 Bearing is ideal for medical imaging devices, where smooth rotation is critical. The PA66 cage reduces friction, ensuring quiet operation in sensitive environments like MRI scanners.

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