Double Row Super-Precision Cylindrical Roller Bearings NN 3018 KTN9/VQ554

The NN 3018 KTN9/VQ554 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 up to 31050 lbf and reaches speeds of 7000 RPM, making it a sturdy choice for demanding applications.

Its open design and PA66 cage ensure smooth operation and easy maintenance, while the tapered bore provides secure fitting. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, offering a practical replacement option. Ideal for use in machine tools or industrial gearboxes where precision and durability are key.

Weighing 1.95kg, it’s built to last while meeting RoHS and REACH standards for safety and compliance.

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Description

Features

Application

Q&A

Product Parameters

Part Number NN 3018 KTN9/VQ554
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 1.95 kg
Cage Material PA66 cage, roller centred

Double Row Super-Precision Cylindrical Roller Bearings NN 3018 KTN9/VQ554 dimension drawing

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Features

Performance Features of NN 3018 KTN9/VQ554 Bearing

NN 3018 KTN9/VQ554 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/VQ554 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
The PA66 cage keeps rollers centred, reducing friction and extending service life.

Its open seal design allows for easy lubrication with grease or oil.
The tapered bore ensures secure fitting, enhancing overall reliability.

Application

Industrial Uses of NN 3018 KTN9/VQ554 Bearing
NN 3018 KTN9/VQ554 Bearing is commonly used in machine tools, 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.

In automotive applications, NN 3018 KTN9/VQ554 Bearing supports gearboxes and drivetrains, offering reliable performance under combined loads. Its chrome steel construction provides durability in demanding conditions.

For automation systems, NN 3018 KTN9/VQ554 Bearing is ideal for robotic arms and precision equipment, thanks to its high-speed capability and low friction. The open design allows for easy lubrication, extending service life.

In medical imaging devices, NN 3018 KTN9/VQ554 Bearing ensures smooth rotation and stability, critical for accurate diagnostics. The PA66 cage material reduces vibration and noise, enhancing patient comfort.

Consumer electronics like high-end printers benefit from NN 3018 KTN9/VQ554 Bearing’s precision and quiet operation. Its compact size fits seamlessly into tight spaces without compromising performance.