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Double Row Super-Precision Cylindrical Roller Bearings NN 3026 KTN9/SPW33VR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3026 KTN9/SPW33VR521

The NN 3026 KTN9/SPW33VR521 is a double-row cylindrical roller bearing with a 130mm bore and 200mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 65700 lbf and reaches speeds of 5000 RPM.

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

With a tapered bore (1:12), it offers secure fitting and can handle axial displacement up to 3mm. Ideal for high-precision applications like machine tools or industrial gearboxes.

Weighing 5.44kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number NN 3026 KTN9/SPW33VR521
  • 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 -0.015mm to 0
  • Width 52 mm
  • Width Tolerance -0.25mm 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/SPW33VR521 dimension drawing
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Features

Performance Features of NN 3026 KTN9/SPW33VR521 Bearing

NN 3026 KTN9/SPW33VR521 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 65700 lbf, ensuring reliable performance in demanding conditions.

The double-row cylindrical design enhances stability and load distribution, reducing wear over time.
With a maximum speed of 5000 rpm, it balances efficiency and durability for precision applications.

NN 3026 KTN9/SPW33VR521 Bearing operates smoothly in temperatures ranging from -30° to 110°C.
The PA66 cage keeps rollers centred, ensuring consistent performance and extended service life.

Lubrication options include grease or oil, providing flexibility for different operational needs.
Its open design allows for easy maintenance, reducing downtime and operational costs.

Application

Industrial Uses of NN 3026 KTN9/SPW33VR521 Bearing
NN 3026 KTN9/SPW33VR521 Bearing is commonly used in heavy machinery like lathes and milling machines, where its double-row design handles combined loads efficiently. The tapered bore ensures a secure fit, reducing slippage during high-speed operations.

What Makes NN 3026 KTN9/SPW33VR521 Bearing a Preferred Choice?
In automotive applications, NN 3026 KTN9/SPW33VR521 Bearing supports gearboxes and drivetrains, offering reliable performance under dynamic loads. Its chrome steel construction provides durability, even in demanding conditions.

Perfect Fit for Automation: NN 3026 KTN9/SPW33VR521 Bearing
For robotic arms and automated production lines, NN 3026 KTN9/SPW33VR521 Bearing ensures smooth movement with minimal friction. The open design allows for easy lubrication, extending service life in continuous-use scenarios.

Medical vs Industrial: Where NN 3026 KTN9/SPW33VR521 Bearing Excels
In medical imaging devices, NN 3026 KTN9/SPW33VR521 Bearing’s precision reduces vibration, ensuring clear scans. Meanwhile, in industrial settings, it excels in high-load applications like presses and rolling mills.

Key Fields for NN 3026 KTN9/SPW33VR521 Bearing
NN 3026 KTN9/SPW33VR521 Bearing is ideal for wind turbines, where its ability to handle radial and axial loads improves energy efficiency. The grease or oil lubrication options adapt to various environmental conditions.

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