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

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

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

Its open design allows flexible lubrication with grease or oil, while the PA66 cage ensures smooth operation. The bearing performs reliably in temperatures from -30°C to 110°C.

With a 1:12 taper bore, it offers easy mounting and precise alignment. Ideal for machine tools or high-precision industrial equipment where accuracy is key.

Weighing 0.6kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a dependable choice for demanding applications.

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Product Parameters

  • Part Number NN 3011 KTN/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 Taper 1:12
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Bore Dia 55 mm
  • Bore Dia Tolerance 0 to +0.015mm
  • 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
  • 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 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 KTN/SPW33 Drawing.dwg
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Features

Performance Features of NN 3011 KTN/SPW33 Bearing

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

The double-row design of NN 3011 KTN/SPW33 Bearing provides stability and precision in high-speed applications.
With a maximum speed of 12,000 rpm, it balances durability and efficiency for industrial use.

NN 3011 KTN/SPW33 Bearing’s PA66 cage keeps the rollers centred, reducing wear and extending service life.
The open design allows for easy lubrication with grease or oil, enhancing operational smoothness.

NN 3011 KTN/SPW33 Bearing operates effectively in temperatures ranging from -30° to 110°C.
Its tapered bore design ensures secure fitting, reducing installation time and effort.

Application

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

In automotive applications, NN 3011 KTN/SPW33 Bearing supports gearboxes and drivetrains, ensuring smooth performance even at high speeds. Its chrome steel construction provides durability, while the tapered bore ensures a secure fit.

For automation systems, NN 3011 KTN/SPW33 Bearing is ideal for robotic arms and CNC machines, where its high-speed capability and stability are key. The PA66 cage reduces friction, enhancing efficiency in repetitive tasks.

Medical imaging devices benefit from NN 3011 KTN/SPW33 Bearing’s precision and reliability, ensuring consistent operation in critical diagnostics. The grease or oil lubrication options make it adaptable to various medical equipment needs.

In consumer electronics, NN 3011 KTN/SPW33 Bearing can be found in high-performance printers and scanners, where its quiet operation and durability are valued. The metric sizing ensures compatibility with a wide range of devices.

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