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Double Row Super-Precision Cylindrical Roller Bearings NN 3018 KTN9/W33VQ497

Double Row Super-Precision Cylindrical Roller Bearings NN 3018 KTN9/W33VQ497

The NN 3018 KTN9/W33VQ497 is a double-row cylindrical roller bearing with a 90mm bore and 140mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 31050 lbf and reaches speeds of 7000 RPM.

Its open design and PA66 cage ensure smooth operation, while the tapered bore provides secure fitting. The bearing works in temperatures from -30°C to 110°C and can be lubricated with grease or oil.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for high-precision applications like machine tools or industrial gearboxes where stability is key.

Weighing 1.93kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use. The lubrication groove and holes simplify maintenance.

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Product Parameters

  • Part Number NN 3018 KTN9/W33VQ497
  • Size 90 mm x 140 mm x 37 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 90 mm
  • Outer Dia 140 mm
  • Width 37 mm
  • Chamfer Dimension Outer Ring(r1,2)(min.) 1.5 mm
  • Chamfer Dimension Inner Ring(r3,4)(min.) 1 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 KTN9/W33VQ497 dimension drawing
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Features

Performance Features of NN 3018 KTN9/W33VQ497 Bearing

NN 3018 KTN9/W33VQ497 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 cylindrical design ensures stability and precision in high-speed operations.
With a maximum speed of 7000 rpm, it delivers reliable performance under demanding conditions.

NN 3018 KTN9/W33VQ497 Bearing features a PA66 cage for better roller alignment and reduced friction.
The open seal type allows for easy lubrication with grease or oil, enhancing longevity.

This bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its robust construction ensures durability even in challenging environments.

Application

Industrial Uses of NN 3018 KTN9/W33VQ497 Bearing
NN 3018 KTN9/W33VQ497 Bearing is commonly used in heavy-duty machine tools, where its double-row design handles both radial and axial loads efficiently. The open seal type allows for easy lubrication, ensuring long service life in demanding conditions.

In automotive applications, NN 3018 KTN9/W33VQ497 Bearing supports high-speed gearboxes, thanks to its tapered bore for secure fitting. The chrome steel construction provides durability under combined loads, making it a reliable choice for performance vehicles.

For automation systems, NN 3018 KTN9/W33VQ497 Bearing ensures smooth operation in robotic arms and precision equipment. Its PA66 cage reduces friction, enhancing performance in high-speed scenarios.

In wind turbines, NN 3018 KTN9/W33VQ497 Bearing withstands variable loads and harsh weather conditions. The grease or oil lubrication options make it adaptable to different environmental requirements.

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