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Double Row Super-Precision Cylindrical Roller Bearings NN 3034 K/SPW33

Double Row Super-Precision Cylindrical Roller Bearings NN 3034 K/SPW33

The NN 3034 K/SPW33 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 open design allows easy lubrication with grease or oil, while the tapered bore ensures secure fitting. The bearing operates well in temperatures from -30°C to 110°C.

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

Weighing 12.3kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NN 3034 K/SPW33
  • 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 -0.018mm to 0
  • Width 67 mm
  • Width Tolerance -0.25mm 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/SPW33 dimension drawing
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Features

Performance Features of NN 3034 K/SPW33 Bearing

NN 3034 K/SPW33 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 102825 lbf, making it suitable for heavy-duty applications.

The double-row design enhances stability and load distribution, ensuring smooth operation.
With a maximum speed of 4000 rpm, it balances performance and durability in demanding conditions.

NN 3034 K/SPW33 Bearing’s taper bore design simplifies installation and alignment.
The open seal type allows for easy lubrication with grease or oil, reducing maintenance needs.

This bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its robust construction ensures long service life even in challenging environments.

Application

Industrial Uses of NN 3034 K/SPW33 Bearing
NN 3034 K/SPW33 Bearing is commonly used in heavy machinery like industrial gearboxes and large pumps, where its double-row design handles combined loads with ease. The tapered bore ensures a secure fit, reducing slippage during high-speed operations.

What Makes NN 3034 K/SPW33 Bearing a Preferred Choice?
In automotive manufacturing, NN 3034 K/SPW33 Bearing supports high-precision applications such as spindle assemblies, thanks to its chrome steel construction. Its open design allows for efficient lubrication, extending service life in demanding conditions.

Built for Heavy-Duty Use: NN 3034 K/SPW33 Bearing
For automation systems, NN 3034 K/SPW33 Bearing excels in robotic arms and CNC machines, where its dynamic radial load capacity ensures smooth movement. The grease or oil lubrication options provide flexibility for different operating environments.

Medical vs Industrial: Where NN 3034 K/SPW33 Bearing Excels
In medical imaging devices, NN 3034 K/SPW33 Bearing offers reliable performance due to its precision engineering. However, it truly shines in industrial settings like steel mills, where its robust design withstands extreme loads and temperatures.

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