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Double Row Super-Precision Cylindrical Roller Bearings NN 3018 TN9/SPW33

Double Row Super-Precision Cylindrical Roller Bearings NN 3018 TN9/SPW33

The NN 3018 TN9/SPW33 is a double-row cylindrical roller bearing with a 90mm bore and 140mm outer diameter, crafted from high-quality chrome steel. It handles combined loads with a dynamic radial capacity of 31050 lbf and spins smoothly at up to 7000 RPM.

Its open design allows for easy lubrication with grease or oil, while the PA66 cage ensures smooth operation and durability. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for precision applications like machine tools or industrial gearboxes where high radial loads are present.

Weighing 1.93kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number NN 3018 TN9/SPW33
  • Size 90 mm x 140 mm x 37 mm
  • Brand TFL
  • Interchangeable brand SKF
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • Bore Type Cylindrical
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.010mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 37 mm
  • Width Tolerance -0.20mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 1.5 mm
  • Permissible Axial Displacement(max.) 2 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 31050 lbf
  • Static Radial Load 48600 lbf
  • Max Speed 7000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 1.93 kg
  • Cage Material PA66 cage, roller centred
  • Width Annular Lubrication Groove Outer Ring(B1) 5.5 mm
  • Diameter Lubrication Hole (outer Ring) (K) 3 mm
Double Row Super-Precision Cylindrical Roller Bearings NN 3018 TN9/SPW33 dimension drawing
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Features

Performance Features of NN 3018 TN9/SPW33 Bearing

NN 3018 TN9/SPW33 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 31050 lbf, making it suitable for heavy-duty applications.

The double-row design of NN 3018 TN9/SPW33 Bearing enhances stability and load distribution.
With a maximum speed of 7000 rpm, it ensures smooth operation in high-speed conditions.

NN 3018 TN9/SPW33 Bearing’s PA66 cage keeps the rollers centred, reducing friction and wear.
Its open design allows for easy lubrication with grease or oil, extending service life.

The temperature range of -30° to 110 °C ensures NN 3018 TN9/SPW33 Bearing performs reliably in various environments.
Its precise tolerances and construction contribute to consistent performance.

Application

Key Fields for NN 3018 TN9/SPW33 Bearing
NN 3018 TN9/SPW33 Bearing is widely used in machine tools, where its double-row design handles both radial and axial loads efficiently. The open seal type allows for easy lubrication, making it suitable for high-speed operations.

In automotive applications, NN 3018 TN9/SPW33 Bearing supports gearboxes and drivetrains, ensuring smooth performance under combined loads. Its chrome steel construction offers durability in demanding conditions.

For robotics, NN 3018 TN9/SPW33 Bearing provides precision in mechanical arms and automated systems. The PA66 cage ensures low friction, enhancing the bearing’s longevity in continuous use.

In industrial fans, NN 3018 TN9/SPW33 Bearing’s high dynamic load capacity makes it reliable for long-term operation. The metric dimensions ensure compatibility with a range of European machinery.

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