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Double Row Super-Precision Cylindrical Roller Bearings NN 3030 K/SPW33VR5212

Double Row Super-Precision Cylindrical Roller Bearings NN 3030 K/SPW33VR5212

The NN 3030 K/SPW33VR5212 is a double-row cylindrical roller bearing with a 150mm bore and 225mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 74250 lbf and runs smoothly at speeds up to 4000 RPM.

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

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

Weighing 7.5kg, 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 3030 K/SPW33VR5212
  • Size 150 mm x 225 mm x 56 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 150 mm
  • Bore Dia Tolerance 0 to +0.025mm
  • Outer Dia 225 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 56 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 74250 lbf
  • Static Radial Load 128250 lbf
  • Max Speed 4000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 7.5 kg
  • Width Annular Lubrication Groove Outer Ring(B1) 8.5 mm
  • Diameter Lubrication Hole (outer Ring) (K) 4.5 mm
Double Row Super-Precision Cylindrical Roller Bearings NN 3030 K/SPW33VR5212 dimension drawing
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Features

Performance Features of NN 3030 K/SPW33VR5212 Bearing

NN 3030 K/SPW33VR5212 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 74,250 lbf, making it suitable for heavy-duty applications.

The double-row design enhances stability and load distribution, reducing wear over time.
With a maximum speed of 4,000 rpm, it delivers reliable performance in demanding conditions.

NN 3030 K/SPW33VR5212 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, ensuring smooth operation.

The tapered bore design simplifies installation and improves alignment accuracy.
This bearing is ideal for precision applications requiring durability and high load capacity.

Application

Industrial Uses of NN 3030 K/SPW33VR5212 Bearing
NN 3030 K/SPW33VR5212 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.

What Makes NN 3030 K/SPW33VR5212 Bearing a Preferred Choice?
In wind turbines, NN 3030 K/SPW33VR5212 Bearing provides reliable performance under varying loads and speeds, thanks to its chrome steel construction. Its open design allows for easy lubrication, extending service life in harsh environments.

Built for Heavy-Duty Use: NN 3030 K/SPW33VR5212 Bearing
For machine tools, NN 3030 K/SPW33VR5212 Bearing offers precision and stability, essential for high-accuracy machining. The grease or oil lubrication options make it adaptable to different operating conditions.

Automotive vs Aerospace: Applications of NN 3030 K/SPW33VR5212 Bearing
In automotive applications, NN 3030 K/SPW33VR5212 Bearing supports transmissions and drivetrains, while in aerospace, it’s used in landing gear systems. Its high dynamic load capacity ensures durability in both sectors.

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