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The NNU 4888 KM/W33 is a double-row cylindrical roller bearing with a 440mm bore and 540mm outer diameter, designed for heavy-duty applications. It handles combined loads up to 227250 lbf and operates smoothly at speeds up to 1000 RPM.
Made from high-quality materials, it features a W33 lubrication groove for easy greasing or oiling. The bearing can withstand temperatures from -30°C to 110°C, making it suitable for various industrial environments.
Its robust design allows for axial displacement up to 3.5mm, providing flexibility in demanding setups. This model is interchangeable with SKF bearings, ensuring easy replacement.
Ideal for use in large machinery like gearboxes, presses, or mining equipment where high radial loads are common. Compliant with RoHS and REACH standards for safe and reliable performance.
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Performance Features of NNU 4888 KM/W33 Bearing
NNU 4888 KM/W33 Bearing is designed for combined loads, handling dynamic radial loads up to 227,250 lbf.
Its double-row cylindrical roller construction ensures stability and durability in heavy-duty applications.
The bearing operates efficiently at speeds up to 1,000 rpm, suitable for various industrial uses.
With a temperature range of -30° to 110°C, it performs reliably in diverse environments.
NNU 4888 KM/W33 Bearing offers grease or oil lubrication options, enhancing its versatility.
Its robust design reduces maintenance needs, making it a cost-effective choice.
Industrial Uses of NNU 4888 KM/W33 Bearing
NNU 4888 KM/W33 Bearing is commonly used in heavy machinery, such as large gearboxes and rolling mills, where its double-row design handles significant radial and axial loads. The W33 lubrication groove ensures smooth operation even in demanding conditions.
In wind turbine applications, NNU 4888 KM/W33 Bearing supports the main shaft, providing stability and durability under varying wind loads. Its high static radial load capacity makes it a reliable choice for renewable energy systems.
For mining equipment, NNU 4888 KM/W33 Bearing excels in conveyor systems and crushers, where its robust construction withstands harsh environments. The metric sizing ensures compatibility with international machinery standards.
What Makes NNU 4888 KM/W33 Bearing a Preferred Choice?
NNU 4888 KM/W33 Bearing is often selected for paper manufacturing machines due to its ability to handle combined loads and high speeds. The grease or oil lubrication options allow for flexibility in different operating conditions.
In steel production plants, NNU 4888 KM/W33 Bearing is used in rolling stands, where its precision and load capacity are crucial. The temperature range ensures performance even in hot industrial environments.
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