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

The NN 3015 KTN/SP is a double-row cylindrical roller bearing with a 75mm bore and 115mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 21780 lbf and reaches speeds of 9000 RPM, making it a reliable choice for precision 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 tapered bore (1:12), it offers secure fitting and can handle slight axial displacement. This model is interchangeable with SKF bearings, ideal for machinery requiring high precision and durability, such as machine tools or gearboxes.

Weighing 1.02kg, it balances strength and precision, complying with RoHS and REACH standards for safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number NN 3015 KTN/SP
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/SP dimension drawing

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Features

Performance Features of NN 3015 KTN/SP Bearing

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

The double-row cylindrical design enhances load distribution, reducing stress on individual rollers.
With a maximum speed of 9000 rpm, it maintains precision even at high speeds.

NN 3015 KTN/SP Bearing operates efficiently in temperatures ranging from -30° to 110 °C.
The PA66 cage keeps rollers centred, promoting smooth operation and longevity.

Its open design allows for easy lubrication with grease or oil, reducing maintenance needs.
The tapered bore ensures secure fitting, minimising slippage during operation.

Application

Industrial Uses of NN 3015 KTN/SP Bearing
NN 3015 KTN/SP Bearing is commonly used in machine tools, where its double-row design handles both radial and axial loads efficiently. The high-speed capability makes it suitable for spindle applications in milling and grinding machines.

Where Is NN 3015 KTN/SP Bearing Used?
In automotive manufacturing, NN 3015 KTN/SP Bearing supports gearbox shafts, ensuring smooth power transmission. Its tapered bore design simplifies installation and adjustment in precision assemblies.

Built for Heavy-Duty Use: NN 3015 KTN/SP Bearing
This bearing excels in industrial fans and compressors, where its chrome steel construction withstands continuous operation. The open seal design allows for easy relubrication, extending service life.

Medical vs Industrial: Where NN 3015 KTN/SP Bearing Excels
While NN 3015 KTN/SP Bearing is robust enough for heavy machinery, its precision also suits medical imaging devices. The PA66 cage reduces friction, ensuring quiet operation in sensitive environments.

Automation and Robotics Applications of NN 3015 KTN/SP Bearing
NN 3015 KTN/SP Bearing is ideal for robotic arms, offering high rigidity and accuracy. Its grease or oil lubrication options adapt to various operating conditions in automated systems.