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Double Row Super-Precision Cylindrical Roller Bearings NN 3011 TN/SPW33

Double Row Super-Precision Cylindrical Roller Bearings NN 3011 TN/SPW33

The NN 3011 TN/SPW33 is a double-row cylindrical roller bearing with a 55mm bore and 90mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 15592 lbf and spins smoothly at speeds up to 12000 RPM.

Its open design allows for easy lubrication with grease or oil, while the PA66 cage ensures smooth operation. The bearing performs reliably in temperatures ranging 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 just 0.6kg, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NN 3011 TN/SPW33
  • Size 55 mm x 90 mm x 26 mm
  • Brand TFL
  • Interchangeable brand SKF
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • Bore Type Cylindrical
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.009mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.010mm to 0
  • Width 26 mm
  • Width Tolerance -0.15mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 1.1 mm
  • Permissible Axial Displacement(max.) 1.5 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 15592 lbf
  • Static Radial Load 21712 lbf
  • Max Speed 12000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.6 kg
  • Cage Material PA66 cage, roller centred
  • Width Annular Lubrication Groove Outer Ring(B1) 3.8 mm
  • Diameter Lubrication Hole (outer Ring) (K) 2 mm
Double Row Super-Precision Cylindrical Roller Bearings NN 3011 TN/SPW33 dimension drawing
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Features

Performance Features of NN 3011 TN/SPW33 Bearing

NN 3011 TN/SPW33 Bearing is designed with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 15592 lbf, ensuring reliable performance in demanding applications.

The PA66 cage keeps the rollers centred, reducing wear and extending service life.
With a maximum speed of 12000 rpm, it balances durability and efficiency.

NN 3011 TN/SPW33 Bearing works well with grease or oil lubrication, adapting to various operational needs.
Its temperature range of -30° to 110 °C makes it suitable for diverse environments.

The double-row construction enhances load distribution, improving overall stability.
Its open design allows for easy maintenance and inspection.

Application

Industrial Uses of NN 3011 TN/SPW33 Bearing
NN 3011 TN/SPW33 Bearing is commonly used in machine tools, where its double-row design handles both radial and axial loads with precision. The open seal type allows for easy lubrication, making it suitable for high-speed operations.

In automotive applications, NN 3011 TN/SPW33 Bearing supports gearboxes and drivetrains, ensuring smooth performance under combined loads. Its chrome steel construction provides durability in demanding conditions.

For automation systems, NN 3011 TN/SPW33 Bearing is a reliable choice for robotic arms and CNC machines, thanks to its high-speed capability and low friction. The PA66 cage enhances stability during prolonged use.

Medical imaging equipment also benefits from NN 3011 TN/SPW33 Bearing’s precision, where consistent rotation is essential. The grease or oil lubrication options cater to different operational needs.

Q&A

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