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Double Row Super-Precision Cylindrical Roller Bearings NN 3019 KTN9/UPVR522

Double Row Super-Precision Cylindrical Roller Bearings NN 3019 KTN9/UPVR522

The NN 3019 KTN9/UPVR522 is a double-row cylindrical roller bearing with a 95mm bore and 145mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 31950 lbf and reaches speeds of 7000 RPM.

Its open design and PA66 cage ensure smooth operation, while the tapered bore allows for secure fitting. The bearing performs reliably in temperatures 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 common.

Weighing 2.05kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NN 3019 KTN9/UPVR522
  • Size 95 mm x 145 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 95 mm
  • Bore Dia Tolerance 0 to +0.020mm
  • Outer Dia 145 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 37 mm
  • Width Tolerance -0.10mm to 0
  • 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 31950 lbf
  • Static Radial Load 52200 lbf
  • Max Speed 7000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.05 kg
  • Cage Material PA66 cage, roller centred
Double Row Super-Precision Cylindrical Roller Bearings NN 3019 KTN9/UPVR522 dimension drawing
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Features

Performance Features of NN 3019 KTN9/UPVR522 Bearing

NN 3019 KTN9/UPVR522 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 31950 lbf, making it suitable for heavy-duty applications.

The double-row design enhances stability and load distribution, ensuring smooth operation.
With a maximum speed of 7000 rpm, it balances performance and durability.

NN 3019 KTN9/UPVR522 Bearing operates efficiently in temperatures from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, reducing maintenance needs.

The PA66 cage keeps rollers centred, minimising wear and extending service life.
Precision tolerances ensure reliable performance in demanding industrial environments.

Application

Industrial Uses of NN 3019 KTN9/UPVR522 Bearing
NN 3019 KTN9/UPVR522 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 3019 KTN9/UPVR522 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 3019 KTN9/UPVR522 Bearing is ideal for robotic arms and precision equipment, thanks to its high-speed capability and low friction. The open seal design allows for easy lubrication, extending service life.

Medical imaging devices benefit from NN 3019 KTN9/UPVR522 Bearing’s precision and stability, ensuring smooth operation in critical diagnostics. The PA66 cage material reduces wear, making it suitable for continuous use.

In consumer electronics, NN 3019 KTN9/UPVR522 Bearing can be found in high-performance printers and scanners, where its compact size and reliability are key. The metric dimensions ensure compatibility with a wide range of devices.

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