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Double Row Super-Precision Cylindrical Roller Bearings NN 3012 KTN/SPW33

Double Row Super-Precision Cylindrical Roller Bearings NN 3012 KTN/SPW33

The NN 3012 KTN/SPW33 is a double-row cylindrical roller bearing with a 60mm bore and 95mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 16582 lbf and spins smoothly at speeds up to 11000 RPM.

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

This model is interchangeable with SKF bearings, making it a reliable choice for replacements. Ideal for precision applications like machine tools or industrial gearboxes where high radial loads are common.

Weighing 0.65kg, 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 3012 KTN/SPW33
  • Size 60 mm x 95 mm x 26 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 60 mm
  • Bore Dia Tolerance 0 to +0.015mm
  • Outer Dia 95 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
  • Chamfer Dimension Inner Ring(r3,4)(min.) 0.6 mm
  • Permissible Axial Displacement(max.) 1.5 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 16582 lbf
  • Static Radial Load 23850 lbf
  • Max Speed 11000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.65 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 3012 KTN/SPW33 dimension drawing
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Features

Performance Features of NN 3012 KTN/SPW33 Bearing

NN 3012 KTN/SPW33 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 16,582 lbf, ensuring reliable performance in high-demand applications.

The PA66 cage keeps the rollers centred, reducing friction and extending service life.
With a maximum speed of 11,000 rpm, it balances durability and efficiency.

NN 3012 KTN/SPW33 Bearing works well with both grease and oil lubrication, adapting to various operational needs.
Its temperature range of -30° to 110°C makes it suitable for diverse environments.

The double-row design enhances load distribution, improving overall stability.
Precision engineering ensures smooth operation even under heavy radial loads.

Application

Industrial Uses of NN 3012 KTN/SPW33 Bearing
NN 3012 KTN/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 3012 KTN/SPW33 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 3012 KTN/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.

In medical imaging devices, NN 3012 KTN/SPW33 Bearing ensures smooth rotation, critical for accurate diagnostics. The PA66 cage material reduces noise, making it suitable for sensitive environments.

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