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Double Row Super-Precision Cylindrical Roller Bearings NN 3015 KTN/SPVR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3015 KTN/SPVR521

The NN 3015 KTN/SPVR521 is a double-row cylindrical roller bearing with a 75mm bore and 115mm outer diameter, crafted from high-quality chrome steel. It handles combined loads up to 21780 lbf and reaches speeds of 9000 RPM, making it a reliable choice for demanding applications.

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

With a taper bore design (1:12), it offers secure fitting and alignment. The bearing is interchangeable with SKF models, providing a versatile replacement option. Ideal for machine tools or gearboxes where precision and durability are key.

Weighing 1.02kg, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number NN 3015 KTN/SPVR521
  • Size 75 mm x 115 mm x 30 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 75 mm
  • Bore Dia Tolerance 0 to +0.015mm
  • Outer Dia 115 mm
  • Outer Dia Tolerance -0.010mm to 0
  • Width 30 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.) 2 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 21780 lbf
  • Static Radial Load 33750 lbf
  • Max Speed 9000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 1.02 kg
  • Cage Material PA66 cage, roller centred
Double Row Super-Precision Cylindrical Roller Bearings NN 3015 KTN/SPVR521 dimension drawing
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Features

Performance Features of NN 3015 KTN/SPVR521 Bearing

NN 3015 KTN/SPVR521 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 21780 lbf, ensuring robust performance in precision applications.

The double-row design of NN 3015 KTN/SPVR521 Bearing enhances stability and load distribution.
With a maximum speed of 9000 rpm, it delivers efficient operation in demanding conditions.

NN 3015 KTN/SPVR521 Bearing’s open construction allows for easy lubrication with grease or oil.
The PA66 cage keeps rollers centred, reducing friction and extending service life.

Designed for a temperature range of -30° to 110°C, NN 3015 KTN/SPVR521 Bearing performs reliably in various environments.
Its tapered bore ensures secure fitting, minimising axial displacement during operation.

Application

Industrial Uses of NN 3015 KTN/SPVR521 Bearing
NN 3015 KTN/SPVR521 Bearing is commonly used in machine tools, where its double-row design provides excellent radial load capacity and precision. The tapered bore ensures a secure fit, reducing slippage during high-speed operations.

Where Is NN 3015 KTN/SPVR521 Bearing Used?
In automotive applications, NN 3015 KTN/SPVR521 Bearing supports gearboxes and drivetrains, handling combined loads with ease. Its chrome steel construction offers durability, even under demanding conditions.

Built for Heavy-Duty Use: NN 3015 KTN/SPVR521 Bearing
NN 3015 KTN/SPVR521 Bearing excels in industrial fans and compressors, where its high-speed capability and grease lubrication ensure long service life. The open seal design allows for easy maintenance and inspection.

Automotive vs Aerospace: Applications of NN 3015 KTN/SPVR521 Bearing
NN 3015 KTN/SPVR521 Bearing is versatile enough for both automotive transmissions and aerospace actuators. Its precision and load-handling make it reliable in varied environments.

Perfect Fit for Automation: NN 3015 KTN/SPVR521 Bearing
In robotic arms and automated systems, NN 3015 KTN/SPVR521 Bearing provides smooth motion and accurate positioning. The PA66 cage reduces friction, enhancing efficiency.

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