Double Row Super-Precision Cylindrical Roller Bearings NN 3022 KTN9/SPW33VR5212

The NN 3022 KTN9/SPW33VR5212 is a double-row cylindrical roller bearing with a 110mm bore and 170mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 49500 lbf and runs smoothly at speeds up to 6000 RPM.

Its open design allows for easy lubrication with grease or oil, while the PA66 cage ensures stable performance. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

With a tapered bore (1:12), it offers secure fitting and can handle axial displacement up to 3mm. This model is interchangeable with SKF bearings, making it a reliable choice for replacements.

Ideal for high-precision applications like machine tools or industrial gearboxes where both radial and axial loads are present. Weighing 3.38kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number NN 3022 KTN9/SPW33VR5212
Size 110 mm x 170 mm x 45 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 110 mm
Bore Dia Tolerance 0 to +0.020mm
Outer Dia 170 mm
Outer Dia Tolerance -0.013mm to 0
Width 45 mm
Width Tolerance -0.20mm 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.) 3 mm
Ring Material Chrome Steel
Roller Material Chrome Steel
Dynamic Radial Load 49500 lbf
Static Radial Load 81000 lbf
Max Speed 6000 rpm
Lubrication Grease, Oil
Temperature Range -30° to 110 °C
RoHS Compliant
REACH Compliant
Weight 3.38 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 3022 KTN9/SPW33VR5212 dimension drawing

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Features

Performance Features of NN 3022 KTN9/SPW33VR5212 Bearing

NN 3022 KTN9/SPW33VR5212 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 49,500 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 6,000 rpm, it delivers reliable performance in demanding conditions.

NN 3022 KTN9/SPW33VR5212 Bearing’s PA66 cage keeps the rollers centred, reducing friction and wear.
The open seal type allows for easy lubrication with grease or oil, extending its service life.

This bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its tapered bore design simplifies installation and ensures secure fitting.

Application

Industrial Uses of NN 3022 KTN9/SPW33VR5212 Bearing
NN 3022 KTN9/SPW33VR5212 Bearing is commonly used in heavy machinery like lathes and milling machines, 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 3022 KTN9/SPW33VR5212 Bearing supports gearboxes and drivetrains, offering reliable performance under combined loads. Its chrome steel construction provides durability, even in demanding conditions.

For automation systems, NN 3022 KTN9/SPW33VR5212 Bearing is ideal for robotic arms and precision equipment, thanks to its high-speed capability and minimal axial displacement. The open design allows for easy lubrication, extending service life.

Medical imaging devices benefit from NN 3022 KTN9/SPW33VR5212 Bearing’s smooth operation and precision, ensuring accurate results in critical diagnostics. The PA66 cage reduces friction, enhancing performance in sensitive environments.

In consumer electronics, NN 3022 KTN9/SPW33VR5212 Bearing can be found in high-performance printers and industrial fans, where its stability and low maintenance are valued. The metric sizing ensures compatibility with a wide range of equipment.