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Double Row Super-Precision Cylindrical Roller Bearings NN 3038 K/SPC2W33

Double Row Super-Precision Cylindrical Roller Bearings NN 3038 K/SPC2W33

The NN 3038 K/SPC2W33 is a double-row cylindrical roller bearing with a 190mm bore and 290mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 133650 lbf and runs smoothly at speeds up to 3000 RPM.

Its open design allows flexible lubrication with grease or oil, while the tapered bore ensures secure fitting. The bearing operates reliably in temperatures from -30°C to 110°C.

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

Weighing 17.1kg, 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 3038 K/SPC2W33
  • Size 190 mm x 290 mm x 75 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 190 mm
  • Bore Dia Tolerance 0 to +0.030mm
  • Outer Dia 290 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Width 75 mm
  • Width Tolerance -0.30mm 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.) 3 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 133650 lbf
  • Static Radial Load 243000 lbf
  • Max Speed 3000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 17.1 kg
  • Width Annular Lubrication Groove Outer Ring(B1) 11.35 mm
  • Diameter Lubrication Hole (outer Ring) (K) 6 mm
Double Row Super-Precision Cylindrical Roller Bearings NN 3038 K/SPC2W33 dimension drawing
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Features

Performance Features of NN 3038 K/SPC2W33 Bearing

NN 3038 K/SPC2W33 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 133,650 lbf, ensuring robust performance in demanding conditions.

The double-row cylindrical design enhances stability and load distribution, reducing wear over time.
With a maximum speed of 3,000 rpm, it balances efficiency and durability for precision applications.

NN 3038 K/SPC2W33 Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its open design allows for flexible lubrication options, either grease or oil, to suit various operational needs.

The tapered bore design ensures secure fitting, minimising slippage during high-speed rotation.
This feature, combined with precise tolerances, enhances the bearing’s reliability in heavy-duty machinery.

Application

Industrial Uses of NN 3038 K/SPC2W33 Bearing
NN 3038 K/SPC2W33 Bearing is commonly used in heavy machinery like industrial gearboxes and large pumps, where its double-row design handles combined loads effectively. The tapered bore ensures a secure fit, reducing slippage during high-speed operations.

In automotive applications, NN 3038 K/SPC2W33 Bearing supports components such as drivetrains and wheel hubs, offering stability under radial and axial forces. Its chrome steel construction provides durability in demanding conditions.

For precision equipment like CNC machines, NN 3038 K/SPC2W33 Bearing’s high-speed capability and grease lubrication option ensure smooth performance. The open design allows for easy maintenance, making it a reliable choice for long-term use.

Where Is NN 3038 K/SPC2W33 Bearing Used?
NN 3038 K/SPC2W33 Bearing finds its place in wind turbines, where its ability to handle dynamic loads and high speeds is crucial. The metric sizing ensures compatibility with European-designed systems.

In robotics, NN 3038 K/SPC2W33 Bearing’s precision and axial displacement tolerance make it ideal for articulated arms. The chrome steel rollers provide consistent performance even in repetitive motion scenarios.

Built for Heavy-Duty Use: NN 3038 K/SPC2W33 Bearing
NN 3038 K/SPC2W33 Bearing is a go-to for mining equipment, where its robust construction withstands extreme loads. The grease or oil lubrication options adapt to various environmental conditions.

For paper manufacturing machinery, NN 3038 K/SPC2W33 Bearing’s high static radial load capacity ensures reliability. The open seal type simplifies inspection and relubrication during maintenance cycles.

Automotive vs Aerospace: Applications of NN 3038 K/SPC2W33 Bearing
In automotive systems, NN 3038 K/SPC2W33 Bearing supports high-torque applications like differentials. Its temperature range suits both cold starts and prolonged high-speed runs.

For aerospace components, NN 3038 K/SPC2W33 Bearing’s precision and speed rating make it suitable for auxiliary systems. The tapered bore design ensures easy installation and removal during servicing.

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