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The NNU 4888 M/W33 is a double-row cylindrical roller bearing with a large 440mm bore and 540mm outer diameter, designed for heavy-duty applications. It handles combined loads, with a dynamic radial load capacity of 263250 lbf and a static radial load of 765000 lbf.
Its robust design includes a W33 lubrication groove, making it easy to maintain with grease or oil. The bearing operates smoothly at speeds up to 1000 RPM and can withstand temperatures from -30°C to 110°C.
The chamfered edges on both inner and outer rings ensure easy installation and alignment. This model is interchangeable with SKF bearings, offering a reliable replacement option.
Ideal for industrial machinery like gearboxes or large rotating equipment, where high radial loads and durability are essential. Compliant with RoHS and REACH standards for safe use.
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Performance Features of NNU 4888 M/W33 Bearing
NNU 4888 M/W33 Bearing is built for combined load applications, handling dynamic radial loads up to 263,250 lbf.
Its double-row cylindrical roller design ensures stability and efficiency in heavy-duty operations.
The bearing operates smoothly within a temperature range of -30° to 110°C, adapting to various working conditions.
With a maximum speed of 1,000 rpm, it balances performance and durability.
NNU 4888 M/W33 Bearing’s grease or oil lubrication options provide flexibility for different maintenance needs.
Its chamfered edges and precise dimensions ensure easy installation and reliable operation.
Industrial Uses of NNU 4888 M/W33 Bearing
NNU 4888 M/W33 Bearing is commonly used in heavy machinery like rolling mills and large gearboxes, where its double-row design handles high radial loads with ease. The W33 lubrication groove ensures smooth operation even in demanding conditions.
In wind turbine applications, NNU 4888 M/W33 Bearing provides reliable support for main shafts, thanks to its robust construction and high load capacity. Its metric sizing makes it a straightforward fit for most European-designed systems.
For mining equipment, NNU 4888 M/W33 Bearing’s ability to withstand combined loads makes it ideal for crushers and conveyors. The grease or oil lubrication options allow flexibility depending on operational needs.
Where Is NNU 4888 M/W33 Bearing Used?
NNU 4888 M/W33 Bearing finds its place in paper manufacturing machinery, particularly in rollers that require precise alignment. Its cylindrical rollers distribute loads evenly, reducing wear over time.
In steel production plants, NNU 4888 M/W33 Bearing supports rolling stands, where its high dynamic radial load capacity ensures consistent performance. The temperature range also suits both hot and cold rolling processes.
Built for Heavy-Duty Use: NNU 4888 M/W33 Bearing
NNU 4888 M/W33 Bearing is a go-to choice for marine propulsion systems, where its durability and load handling are critical. The corrosion-resistant materials add to its longevity in harsh environments.
For railway applications, NNU 4888 M/W33 Bearing is often used in axle boxes, providing stability under heavy loads. Its permissible axial displacement accommodates minor misalignments during operation.
Automotive vs Aerospace: Applications of NNU 4888 M/W33 Bearing
In automotive test rigs, NNU 4888 M/W33 Bearing supports high-speed rotating components, thanks to its balanced design. The oil lubrication option is preferred for continuous high-speed runs.
For aerospace ground equipment, NNU 4888 M/W33 Bearing is used in landing gear simulators, where its static radial load capacity ensures safety during testing. The metric dimensions simplify integration with existing systems.
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