How Hot Is Too Hot for a Bearing?
Learn why bearing overheating has no universal temperature limit, how to read temperature trends, and when a hot bearing needs investigation or shutdown.
Read articleCompare leading global bearing brands and explore compatible TFL alternatives by model, product type and application.
View all Brands GuideMatch manufacturer part numbers with interchangeable TFL bearing options and model-selection support.
Browse bearing solutions by equipment, operating environment and industry.
Practical guidance on bearing selection, applications, maintenance and sourcing.
Learn why bearing overheating has no universal temperature limit, how to read temperature trends, and when a hot bearing needs investigation or shutdown.
Read article
Find answers about quality, orders, technical support and after-sales service.
Use our articles, reference tools and customer resources to support sourcing decisions.
Learn about TFL Bearing, our quality systems and supply capabilities.
View all About & CapabilitiesAccess engineering support and services throughout the purchasing process.
View all Services & SupportExplore customer projects, sourcing partnerships and ways to contact our team.
View all Work With TFL
The NN 3030 K/SPW33 is a double-row cylindrical roller bearing with a 150mm bore and 225mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 74250 lbf and runs smoothly at speeds up to 4000 RPM.
Its open design and tapered bore ensure easy installation and alignment, while the double-row construction provides extra stability. The bearing performs well in temperatures from -30°C to 110°C.
This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like machine tools or industrial gearboxes where precision and durability are key.
Weighing 7.5kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.
Performance Features of NN 3030 K/SPW33 Bearing
NN 3030 K/SPW33 Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 74,250 lbf, making it suitable for heavy-duty applications.
The double-row design enhances stability and load distribution, ensuring smooth operation.
With a maximum speed of 4,000 rpm, it balances performance and durability in demanding conditions.
NN 3030 K/SPW33 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, reducing maintenance needs.
The tapered bore ensures secure fitting, minimising slippage during operation.
Precision engineering guarantees reliable performance in high-speed and high-load scenarios.
Industrial Uses of NN 3030 K/SPW33 Bearing
NN 3030 K/SPW33 Bearing is commonly used in heavy machinery like lathes and milling machines, 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.
What Makes NN 3030 K/SPW33 Bearing a Preferred Choice?
In automotive applications, NN 3030 K/SPW33 Bearing is ideal for gearboxes and drivetrains, thanks to its high dynamic load capacity. The chrome steel construction offers durability, even under continuous stress.
Built for Heavy-Duty Use: NN 3030 K/SPW33 Bearing
For automation systems, NN 3030 K/SPW33 Bearing provides reliable performance in robotic arms and conveyor belts. Its open design allows for easy lubrication, extending service life in demanding environments.
Medical vs Industrial: Where NN 3030 K/SPW33 Bearing Excels
In medical imaging devices, NN 3030 K/SPW33 Bearing ensures smooth rotation with minimal vibration. Its precision engineering makes it suitable for sensitive equipment where accuracy is paramount.
Where Is NN 3030 K/SPW33 Bearing Used?
NN 3030 K/SPW33 Bearing finds its place in wind turbines, where its high load capacity and speed rating enhance performance. The grease or oil lubrication options adapt to various operating conditions.