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Double Row Super-Precision Cylindrical Roller Bearings NN 3034 K/UPW33

Double Row Super-Precision Cylindrical Roller Bearings NN 3034 K/UPW33

The NN 3034 K/UPW33 is a double-row cylindrical roller bearing with a 170mm bore and 260mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 102825 lbf and runs smoothly at speeds up to 4000 RPM.

Its tapered bore design ensures a secure fit, while the open seal allows for easy lubrication with grease or oil. The bearing operates well in temperatures from -30°C to 110°C.

With a weight of 12.3kg, it’s robust yet manageable for industrial use. Compliant with RoHS and REACH standards, it’s a reliable choice for heavy machinery and precision equipment.

Ideal for applications like machine tools or gearboxes where high radial loads and precision are needed. Its interchangeable design with SKF bearings makes it a versatile option for replacements.

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Product Parameters

  • Part Number NN 3034 K/UPW33
  • Size 170 mm x 260 mm x 67 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 170 mm
  • Bore Dia Tolerance 0 to +0.025mm
  • Outer Dia 260 mm
  • Outer Dia Tolerance -0.012mm to 0
  • Width 67 mm
  • Width Tolerance -0.10mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 2.1 mm
  • Chamfer Dimension Inner Ring(r3,4)(min.) 1.1 mm
  • Permissible Axial Displacement(max.) 2.5 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 102825 lbf
  • Static Radial Load 183375 lbf
  • Max Speed 4000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 12.3 kg
  • Width Annular Lubrication Groove Outer Ring(B1) 8.9 mm
  • Diameter Lubrication Hole (outer Ring) (K) 4.5 mm
Double Row Super-Precision Cylindrical Roller Bearings NN 3034 K/UPW33 dimension drawing
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Features

Performance Features of NN 3034 K/UPW33 Bearing

NN 3034 K/UPW33 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 102825 lbf, ensuring reliable performance in demanding applications.

The double-row cylindrical design enhances stability and load distribution, reducing wear over time.
With a maximum speed of 4000 rpm, it balances durability and efficiency in high-speed operations.

NN 3034 K/UPW33 Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, ensuring consistent performance.

The tapered bore design simplifies installation and alignment, saving time and effort.
This bearing is interchangeable with SKF models, providing flexibility in replacement options.

Application

Industrial Uses of NN 3034 K/UPW33 Bearing
NN 3034 K/UPW33 Bearing is widely used in heavy machinery like rolling mills and gearboxes, where its double-row design handles combined radial and axial loads efficiently. The open seal type allows for easy lubrication, ensuring long service life in demanding conditions.

What Makes NN 3034 K/UPW33 Bearing a Preferred Choice?
In automotive applications, NN 3034 K/UPW33 Bearing excels in high-speed gear systems, thanks to its tapered bore for secure fitting. The chrome steel construction provides durability, making it suitable for both passenger and commercial vehicles.

Built for Heavy-Duty Use: NN 3034 K/UPW33 Bearing
For automation and robotics, NN 3034 K/UPW33 Bearing offers precise movement in robotic arms and CNC machines. Its high dynamic load capacity ensures reliable performance even in continuous operation.

Medical vs Industrial: Where NN 3034 K/UPW33 Bearing Excels
In medical imaging devices, NN 3034 K/UPW33 Bearing’s precision and low noise are crucial for accurate diagnostics. Meanwhile, industrial pumps benefit from its ability to withstand heavy loads and high speeds.

Where Is NN 3034 K/UPW33 Bearing Used?
You’ll find NN 3034 K/UPW33 Bearing in wind turbines, where its grease or oil lubrication options adapt to varying environmental conditions. The large bore size also makes it ideal for heavy rotating equipment.

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