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Double Row Super-Precision Cylindrical Roller Bearings NN 3010 KTN/SPW33VR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3010 KTN/SPW33VR521

The NN 3010 KTN/SPW33VR521 is a double-row cylindrical roller bearing with a 50mm tapered bore and 80mm outer diameter, crafted from high-quality chrome steel. It handles combined loads up to 11880 lbf and reaches speeds of 13000 RPM, making it suitable for demanding applications.

Its open design allows for flexible lubrication with grease or oil, while the PA66 cage ensures smooth operation and durability. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

With a compact width of 23mm and a weight of 0.4kg, it’s a robust yet lightweight choice. Compliant with RoHS and REACH standards, it’s interchangeable with SKF bearings, ideal for precision machinery like spindles or gearboxes.

The annular lubrication groove and holes simplify maintenance, extending its service life in industrial settings.

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Product Parameters

  • Part Number NN 3010 KTN/SPW33VR521
  • Size 50 mm x 80 mm x 23 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 50 mm
  • Bore Dia Tolerance 0 to +0.012mm
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.010mm to 0
  • Width 23 mm
  • Width Tolerance -0.12mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 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 11880 lbf
  • Static Radial Load 16538 lbf
  • Max Speed 13000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.4 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 3010 KTN/SPW33VR521 dimension drawing
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Features

Performance Features of NN 3010 KTN/SPW33VR521 Bearing

NN 3010 KTN/SPW33VR521 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 11880 lbf, ensuring reliable performance in high-demand applications.

The PA66 cage keeps the rollers centred, reducing wear and extending service life.
With a maximum speed of 13000 rpm, it balances durability and efficiency.

NN 3010 KTN/SPW33VR521 Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, reducing maintenance needs.

The double-row construction provides stability and precision in various applications.
Its tapered bore design ensures secure fitting and optimal performance.

Application

Industrial Uses of NN 3010 KTN/SPW33VR521 Bearing
NN 3010 KTN/SPW33VR521 Bearing is commonly used in machine tools, where its double-row design handles both radial and axial loads efficiently. The high-speed capability of up to 13000 rpm makes it suitable for precision machining applications.

Where Is NN 3010 KTN/SPW33VR521 Bearing Used?
In automotive transmissions, NN 3010 KTN/SPW33VR521 Bearing provides reliable performance under combined loads. Its tapered bore ensures a secure fit, reducing slippage in high-torque scenarios.

Built for Heavy-Duty Use: NN 3010 KTN/SPW33VR521 Bearing
For industrial fans and pumps, NN 3010 KTN/SPW33VR521 Bearing offers durability with its chrome steel construction. The open design allows for easy lubrication, extending service life in demanding environments.

Automotive vs Aerospace: Applications of NN 3010 KTN/SPW33VR521 Bearing
In aerospace applications, NN 3010 KTN/SPW33VR521 Bearing’s precision and high-speed performance are critical for components like turbine shafts. For automotive use, it excels in gearboxes where combined loads are common.

Key Fields for NN 3010 KTN/SPW33VR521 Bearing
NN 3010 KTN/SPW33VR521 Bearing is ideal for robotics, providing smooth motion in robotic arms. Its PA66 cage reduces friction, ensuring consistent performance in automated systems.

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