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The 3921XA is a single cup tapered roller bearing with an outer diameter of 4.33 inches and a width of 0.94 inches, crafted from durable chrome steel. It fits well with Timken bearings, making it a handy replacement option.
Designed for standard use, it operates smoothly in temperatures ranging from -30°C to 110°C. Its ABEC-1 rating ensures reliable performance for general industrial applications.
The cup features precise tolerances, with a backing diameter of 4.13 inches at the front and 3.94 inches at the back. This design provides a secure fit and easy installation.
Ideal for machinery requiring tapered roller bearings, such as automotive or heavy equipment. Compliant with RoHS and REACH standards, it’s a safe and practical choice.
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How Is 3921XA Bearing Engineered for Reliability?
3921XA Bearing features chrome steel construction, ensuring durability in various operating conditions.
Its tapered roller design provides efficient load distribution, enhancing performance under stress.
The cup width tolerance of +0.002″ to -0.01″ ensures precise fitting, reducing installation errors.
With a temperature range of -30° to 110°C, it performs reliably in diverse environments.
Designed to interchange with Timken bearings, 3921XA Bearing offers compatibility and convenience.
Its ABEC-1 rating guarantees consistent quality for standard precision applications.
Industrial Uses of 3921XA Bearing
3921XA Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered design handles radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.
Where Is 3921XA Bearing Used?
You’ll often find 3921XA Bearing in automotive applications like wheel hubs and differential systems, thanks to its reliable performance and compatibility with Timken equivalents. Its inch sizing makes it a go-to choice for machinery in regions using imperial measurements.
Built for Heavy-Duty Use: 3921XA Bearing
3921XA Bearing excels in agricultural machinery, where its robust design withstands constant vibration and heavy loads. The standard cup type simplifies installation and maintenance, reducing downtime in field operations.
Automotive vs Aerospace: Applications of 3921XA Bearing
In automotive systems, 3921XA Bearing supports wheel assemblies, while in aerospace, it’s used in landing gear components for its precision and load capacity. The ABEC-1 rating ensures consistent performance across both industries.
Perfect Fit for Automation: 3921XA Bearing
3921XA Bearing is ideal for conveyor systems in manufacturing plants, where its tapered rollers provide smooth motion under varying loads. The chrome steel rings offer long service life, even in high-cycle applications.
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