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The NNU 4992 BK/SPW33 is a double-row cylindrical roller bearing with a large 460mm bore and 620mm outer diameter, built for heavy-duty applications. It handles combined loads with a dynamic radial capacity of 470,250 lbf and spins smoothly at up to 1000 RPM.
Made from durable chrome steel, its open design allows flexible lubrication with grease or oil. The tapered bore ensures secure fitting, while the double-row construction provides stability under high loads.
With a weight of 130kg, this bearing is suited for large machinery like industrial gearboxes or heavy presses. It operates reliably in temperatures from -30°C to 110°C and meets RoHS and REACH standards.
Its interchangeable design with SKF bearings makes it a practical choice for replacements. The annular lubrication groove and holes simplify maintenance, extending service life.
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Performance Features of NNU 4992 BK/SPW33 Bearing
NNU 4992 BK/SPW33 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 470250 lbf, ensuring reliable performance in heavy-duty applications.
The double-row cylindrical design enhances stability and load distribution, reducing wear over time.
With a maximum speed of 1000 rpm, it balances durability and efficiency in demanding conditions.
NNU 4992 BK/SPW33 Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its open design allows for flexible lubrication options, either grease or oil, to suit different operational needs.
The tapered bore design ensures secure fitting, minimising slippage during high-load operations.
Precision engineering guarantees consistent performance, even under significant radial and axial forces.
Industrial Uses of NNU 4992 BK/SPW33 Bearing
NNU 4992 BK/SPW33 Bearing is commonly used in heavy industrial machinery, such as large lathes and rolling mills, where its double-row design handles combined loads effectively. The tapered bore ensures a secure fit, reducing slippage during high-speed operations.
What Makes NNU 4992 BK/SPW33 Bearing a Preferred Choice?
In wind turbine applications, NNU 4992 BK/SPW33 Bearing’s high dynamic radial load capacity makes it reliable for supporting rotor shafts. Its chrome steel construction also withstands harsh outdoor conditions.
Built for Heavy-Duty Use: NNU 4992 BK/SPW33 Bearing
NNU 4992 BK/SPW33 Bearing excels in paper manufacturing equipment, where its open design allows for easy lubrication. The wide temperature range ensures performance in both hot and cold environments.
Automotive vs Aerospace: Applications of NNU 4992 BK/SPW33 Bearing
In automotive gearboxes, NNU 4992 BK/SPW33 Bearing provides stability under high radial loads. For aerospace, its precision engineering suits auxiliary power units where reliability is critical.
Where Is NNU 4992 BK/SPW33 Bearing Used?
NNU 4992 BK/SPW33 Bearing is found in mining equipment, such as crushers, where its robust design handles extreme loads. The grease lubrication option simplifies maintenance in remote locations.
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