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Double Row Super-Precision Cylindrical Roller Bearings NN 3020 KTN9/SPW33

Double Row Super-Precision Cylindrical Roller Bearings NN 3020 KTN9/SPW33

The NN 3020 KTN9/SPW33 is a double-row cylindrical roller bearing with a 100mm bore and 150mm outer diameter, crafted from robust chrome steel. It manages combined loads up to 33975 lbf and operates smoothly at speeds up to 6000 RPM.

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

With a tapered bore for secure fitting, it’s interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for high-precision applications like machine tools or industrial gearboxes.

Weighing 2.08kg, it’s built to handle demanding conditions while complying with RoHS and REACH standards. The annular lubrication groove simplifies maintenance, extending its service life.

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Product Parameters

  • Part Number NN 3020 KTN9/SPW33
  • Size 100 mm x 150 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 100 mm
  • Bore Dia Tolerance 0 to +0.020mm
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 37 mm
  • Width Tolerance -0.20mm 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 33975 lbf
  • Static Radial Load 56250 lbf
  • Max Speed 6000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.08 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 3020 KTN9/SPW33 dimension drawing
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Features

Performance Features of NN 3020 KTN9/SPW33 Bearing

NN 3020 KTN9/SPW33 Bearing is designed with a double-row cylindrical roller construction, ideal for handling combined loads.
Its chrome steel rings and rollers provide strong resistance to wear, ensuring long-lasting performance.

The tapered bore design of NN 3020 KTN9/SPW33 Bearing simplifies installation and enhances alignment accuracy.
With a dynamic radial load capacity of 33,975 lbf, it performs reliably in demanding applications.

NN 3020 KTN9/SPW33 Bearing operates smoothly at speeds up to 6,000 rpm, balancing efficiency and durability.
The PA66 cage keeps rollers centred, reducing friction and extending service life.

Suitable for temperatures from -30° to 110°C, NN 3020 KTN9/SPW33 Bearing adapts to various working conditions.
Its open design allows for flexible lubrication options, including grease or oil.

Application

Industrial Uses of NN 3020 KTN9/SPW33 Bearing
NN 3020 KTN9/SPW33 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 3020 KTN9/SPW33 Bearing supports gearboxes and drivetrains, offering reliable performance under heavy loads. Its chrome steel construction provides durability, even in demanding conditions.

For automation systems, NN 3020 KTN9/SPW33 Bearing is ideal for robotic arms and precision machinery, thanks to its high-speed capability and low friction. The open design allows for easy lubrication, extending service life.

Medical imaging devices also benefit from NN 3020 KTN9/SPW33 Bearing’s precision and smooth operation. The PA66 cage ensures quiet performance, crucial for sensitive equipment.

In consumer electronics, NN 3020 KTN9/SPW33 Bearing can be found in high-performance printers and scanners. Its compact size and robust design make it suitable for space-constrained applications.

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