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Double Row Super-Precision Cylindrical Roller Bearings NN 3034 K/SPW33VS019

Double Row Super-Precision Cylindrical Roller Bearings NN 3034 K/SPW33VS019

The NN 3034 K/SPW33VS019 is a double-row cylindrical roller bearing with a 170mm tapered bore and 260mm outer diameter, crafted from robust chrome steel. It handles combined loads up to 102825 lbf and operates smoothly at speeds up to 4000 RPM.

Its open design allows flexible lubrication with grease or oil, while the double-row construction ensures stability under heavy radial loads. The bearing performs reliably in temperatures from -30°C to 110°C.

With a 1:12 taper bore, it’s easy to mount and adjust, making it suitable for precision machinery like spindles or gearboxes. Weighing 12.3kg, it’s built for durability in demanding industrial settings. Compliant with RoHS and REACH standards for safe use.

The annular lubrication groove and 4.5mm oil holes simplify maintenance, extending service life. Ideal for applications requiring high precision and load capacity, such as machine tools or heavy equipment.

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Product Parameters

  • Part Number NN 3034 K/SPW33VS019
  • 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/SPW33VS019 dimension drawing
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Features

Performance Features of NN 3034 K/SPW33VS019 Bearing

NN 3034 K/SPW33VS019 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 and extending service life.
With a maximum speed of 4000 rpm, it balances durability and efficiency in high-speed operations.

NN 3034 K/SPW33VS019 Bearing operates smoothly in temperatures ranging from -30° to 110°C, suitable for various environments.
The open seal design allows for easy lubrication with grease or oil, maintaining optimal performance.

The tapered bore design ensures secure fitting, minimising slippage during operation.
Its precise dimensions and tolerances guarantee consistent performance in precision applications.

Application

Industrial Uses of NN 3034 K/SPW33VS019 Bearing
NN 3034 K/SPW33VS019 Bearing is commonly used in heavy machinery like industrial gearboxes and large pumps, where its double-row design handles both radial and axial loads efficiently. The tapered bore ensures a secure fit, reducing slippage during high-speed operations.

In automotive applications, NN 3034 K/SPW33VS019 Bearing supports drivetrain components, offering stability under combined loads. Its chrome steel construction provides durability, making it suitable for long-term use in demanding environments.

For precision equipment like machine tools, NN 3034 K/SPW33VS019 Bearing’s high-speed capability and grease lubrication option ensure smooth performance. The open seal design allows for easy maintenance, extending the bearing’s service life.

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