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Double Row Super-Precision Cylindrical Roller Bearings NN 3028 K/SPW33VR522

Double Row Super-Precision Cylindrical Roller Bearings NN 3028 K/SPW33VR522

The NN 3028 K/SPW33VR522 is a double-row cylindrical roller bearing with a 140mm bore and 210mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 66825 lbf and runs smoothly at speeds up to 5000 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 ranging from -30°C to 110°C.

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

Weighing 6.15kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number NN 3028 K/SPW33VR522
  • Size 140 mm x 210 mm x 53 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 140 mm
  • Bore Dia Tolerance 0 to +0.025mm
  • Outer Dia 210 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 53 mm
  • Width Tolerance -0.25mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 2 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 66825 lbf
  • Static Radial Load 117000 lbf
  • Max Speed 5000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 6.15 kg
  • Width Annular Lubrication Groove Outer Ring(B1) 8.75 mm
  • Diameter Lubrication Hole (outer Ring) (K) 4.5 mm
Double Row Super-Precision Cylindrical Roller Bearings NN 3028 K/SPW33VR522 dimension drawing
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Features

Performance Features of NN 3028 K/SPW33VR522 Bearing

NN 3028 K/SPW33VR522 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 66,825 lbf, ensuring reliable performance in demanding conditions.

The double-row design enhances stability and load distribution, reducing wear over time.
With a maximum speed of 5,000 rpm, it balances precision and durability for high-performance applications.

NN 3028 K/SPW33VR522 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its open design allows for flexible lubrication options, including grease or oil, to suit various operational needs.

The tapered bore design ensures secure fitting and alignment, minimising installation errors.
This feature, combined with its high load capacity, makes it ideal for heavy-duty machinery.

Application

Key Fields for NN 3028 K/SPW33VR522 Bearing
NN 3028 K/SPW33VR522 Bearing is widely used in industrial machinery, especially in high-precision applications like machine tools and printing presses. Its double-row design provides excellent radial load capacity, making it suitable for heavy-duty operations.

In the automotive sector, NN 3028 K/SPW33VR522 Bearing is often found in gearboxes and drivetrains, where its combined load handling ensures smooth performance. The taper bore design also allows for easy installation and secure fitting.

For automation systems, NN 3028 K/SPW33VR522 Bearing supports robotic arms and CNC machines, offering reliable precision under high speeds. The open seal type facilitates efficient lubrication, extending its service life.

In medical imaging equipment, NN 3028 K/SPW33VR522 Bearing’s chrome steel construction ensures durability and consistent operation. Its high dynamic radial load capacity makes it ideal for demanding diagnostic devices.

NN 3028 K/SPW33VR522 Bearing is also a good fit for wind turbines, where its ability to handle combined loads and high speeds is crucial. The grease or oil lubrication options provide flexibility for different environmental conditions.

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