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Double Row Super-Precision Cylindrical Roller Bearings NN 3026 KTN9/UPW33

Double Row Super-Precision Cylindrical Roller Bearings NN 3026 KTN9/UPW33

The NN 3026 KTN9/UPW33 is a double-row cylindrical roller bearing with a 130mm tapered bore and 200mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 65700 lbf and operates smoothly at speeds up to 5000 RPM.

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

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or gearboxes where precision and durability are key.

Weighing 5.44kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number NN 3026 KTN9/UPW33
  • Size 130 mm x 200 mm x 52 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 130 mm
  • Bore Dia Tolerance 0 to +0.025mm
  • Outer Dia 200 mm
  • Outer Dia Tolerance -0.010mm to 0
  • Width 52 mm
  • Width Tolerance -0.10mm 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 65700 lbf
  • Static Radial Load 112500 lbf
  • Max Speed 5000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 5.44 kg
  • Cage Material PA66 cage, roller centred
  • Width Annular Lubrication Groove Outer Ring(B1) 8.3 mm
  • Diameter Lubrication Hole (outer Ring) (K) 4.5 mm
Double Row Super-Precision Cylindrical Roller Bearings NN 3026 KTN9/UPW33 dimension drawing
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Features

Performance Features of NN 3026 KTN9/UPW33 Bearing

NN 3026 KTN9/UPW33 Bearing is designed with a double-row cylindrical roller construction, ideal for handling combined radial and axial loads.
Its chrome steel rings and rollers provide high dynamic radial load capacity of 65700 lbf, ensuring robust performance.
The PA66 cage keeps rollers centred, reducing friction and enhancing durability.
With a maximum speed of 5000 rpm, it offers reliable operation in precision applications.

How Does NN 3026 KTN9/UPW33 Bearing Resist Wear?

NN 3026 KTN9/UPW33 Bearing’s chrome steel rollers and rings are built to withstand heavy loads and reduce wear.
The tapered bore design ensures secure fitting, minimising misalignment and extending service life.
Its open seal type allows for easy lubrication with grease or oil, maintaining smooth operation.
The bearing operates efficiently within a temperature range of -30° to 110°C, suitable for various environments.

Engineered for Precision: NN 3026 KTN9/UPW33 Bearing

NN 3026 KTN9/UPW33 Bearing features precise tolerances, with bore diameter tolerance of 0 to +0.025mm for accurate fitting.
The annular lubrication groove and holes ensure consistent lubrication, reducing maintenance needs.
Its double-row design distributes loads evenly, enhancing stability and performance.
Weighing 5.44 kg, it balances strength and practicality for industrial applications.

Steel vs Ceramic Bearings: Strengths of NN 3026 KTN9/UPW33 Bearing

NN 3026 KTN9/UPW33 Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
Compared to ceramic options, it provides higher static radial load capacity of 112500 lbf at a lower cost.
The PA66 cage material reduces noise and vibration, improving operational smoothness.
Its design is optimised for high-speed applications, reaching up to 5000 rpm.

Application

Industrial Uses of NN 3026 KTN9/UPW33 Bearing
NN 3026 KTN9/UPW33 Bearing is commonly used in heavy industrial machinery, such as large lathes and milling machines, where its double-row design handles combined loads efficiently. The open seal type allows for easy lubrication, making it suitable for high-speed operations up to 5000 rpm.

What Makes NN 3026 KTN9/UPW33 Bearing a Preferred Choice?
In automotive applications, NN 3026 KTN9/UPW33 Bearing supports gearboxes and drivetrains, thanks to its high dynamic radial load capacity of 65700 lbf. The chrome steel construction ensures durability even under demanding conditions.

Built for Heavy-Duty Use: NN 3026 KTN9/UPW33 Bearing
For automation systems, NN 3026 KTN9/UPW33 Bearing is ideal for robotic arms and precision equipment, where its tapered bore provides secure fitting. The PA66 cage enhances smooth rotation and reduces friction.

Medical vs Industrial: Where NN 3026 KTN9/UPW33 Bearing Excels
In medical imaging devices, NN 3026 KTN9/UPW33 Bearing offers reliable performance due to its precise tolerances and grease lubrication. Meanwhile, in industrial settings, it excels in conveyor systems and heavy presses.

Practical Applications of NN 3026 KTN9/UPW33 Bearing
NN 3026 KTN9/UPW33 Bearing is also found in wind turbines, where its ability to handle axial displacement up to 3 mm ensures stable operation. The metric sizing makes it compatible with a wide range of European machinery.

Q&A

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