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The 478XA is a single-row tapered roller bearing cone with a 2.5586-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 29,900 lbf and static loads up to 41,900 lbf.
Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone has a width of 1.142 inches and fits standard radial clearances, making it versatile for various setups.
This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.
Operating in temperatures from -30°C to 110°C, it meets RoHS and REACH standards for safe use. The ABEC-1 rating ensures dependable precision for most industrial needs.
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How Is 478XA Bearing Engineered for Reliability?
478XA Bearing features chrome steel rings and a steel cage, ensuring durability under combined loads.
Its dynamic radial load capacity of 29,900 lbf makes it suitable for heavy-duty applications.
The tapered roller design of 478XA Bearing provides smooth operation and efficient load distribution.
With an ABEC-1 rating, it balances precision and performance in industrial settings.
478XA Bearing operates reliably in temperatures ranging from -30° to 110°C.
Its standard radial clearance options offer flexibility for various installation requirements.
Industrial Uses of 478XA Bearing
The 478XA Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.
In automotive applications, 478XA Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.
For industrial conveyor systems, 478XA Bearing’s open design allows for easy lubrication and maintenance, extending service life. The steel cage adds strength, making it suitable for high-load scenarios.
Where Is 478XA Bearing Used?
You’ll often find 478XA Bearing in agricultural machinery, where its tapered rollers manage uneven loads from tillers and harvesters. The standard radial clearance ensures smooth operation even in dusty conditions.
In railway applications, 478XA Bearing supports axle boxes, thanks to its robust design and ABEC-1 precision. The temperature range of -30° to 110°C makes it adaptable to various climates.
Built for Heavy-Duty Use: 478XA Bearing
This bearing excels in forestry equipment, like log skidders, where its dynamic radial load capacity of 29,900 lbf handles rough terrain. The steel cage prevents deformation under stress.
In material handling systems, 478XA Bearing’s effective center location improves alignment, reducing wear. Its compatibility with Timken models makes replacements straightforward.
Automotive vs Aerospace: Applications of 478XA Bearing
While 478XA Bearing is popular in truck transmissions for its load capacity, it’s also found in aircraft landing gear components. The inch measurements suit both industries’ standards.
In marine applications, 478XA Bearing’s corrosion-resistant materials work well in propeller shafts. The open seal type simplifies inspections and lubrication.
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