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The 6391 single cones are tapered roller bearings with a 2.36″ bore, designed for combined loads. Made from durable chrome steel, they handle radial loads up to 72,300 lbf and work in temperatures from -30°C to 110°C.
Their open design allows easy maintenance, while the steel cage ensures reliable performance. The bearings are interchangeable with Timken models, making them a practical choice for replacements.
Ideal for heavy-duty applications like truck axles or industrial gearboxes, where combined loads are common. They come in standard radial clearance but are also available in C3, C4, or C5 options for specific needs.
Compliant with RoHS and REACH standards, these bearings offer a balance of strength and versatility for various machinery requirements.
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Performance Features of 6391 Bearing
6391 Bearing is built with chrome steel rings and a steel cage, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 72,300 lbf, ensuring reliable performance in heavy-duty applications.
The tapered roller design enhances stability and reduces friction during operation.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.
How Is 6391 Bearing Engineered for Reliability?
6391 Bearing features a single-row construction, providing consistent performance under combined loads.
The chrome steel material ensures durability, while the steel cage maintains proper roller alignment.
Its dynamic thrust rating of 10,400 lbf (Ca90) makes it suitable for demanding applications.
The standard radial clearance allows for smooth operation and easy installation.
Built for Durability: 6391 Bearing
6391 Bearing’s tapered roller design handles both radial and thrust loads efficiently.
The chrome steel rings and steel cage construction enhance its longevity and reduce wear.
With a static radial load capacity of 90,900 lbf, it excels in heavy-load scenarios.
The ABEC-1 rating ensures consistent precision and performance.
Steel vs Ceramic Bearings: Strengths of 6391 Bearing
6391 Bearing uses chrome steel for its rings and steel for its cage, balancing strength and cost-effectiveness.
Its dynamic radial rating (C90) of 18,700 lbf ensures reliable operation over long periods.
The tapered roller design provides excellent load distribution, reducing stress on components.
With a wide temperature range, it adapts to various industrial environments.
Why Choose 6391 Bearing for Precision Tasks?
6391 Bearing’s single-row tapered roller design ensures precise load handling and smooth operation.
The chrome steel construction resists wear, maintaining accuracy over time.
Its dynamic radial rating (C1) of 126,000 lbf for two-row configurations highlights its versatility.
The standard radial clearance option allows for easy integration into existing systems.
Industrial Uses of 6391 Bearing
The 6391 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.
Where Is 6391 Bearing Used?
You’ll often find 6391 Bearing in automotive applications like truck wheel hubs, where its high dynamic radial load capacity supports long-term performance. The inch sizing makes it a fit for many North American vehicles.
Built for Heavy-Duty Use: 6391 Bearing
In industrial gearboxes, 6391 Bearing provides reliable support under high thrust and radial loads. The open seal design allows for easy lubrication, extending its service life in continuous operations.
Automotive vs Aerospace: Applications of 6391 Bearing
While 6391 Bearing excels in automotive systems like axles, its precision also suits aerospace landing gear components. The steel cage adds stability during high-speed rotations.
Key Fields for 6391 Bearing
For agricultural machinery, 6391 Bearing offers robust performance in tractors and harvesters. Its standard radial clearance ensures smooth operation even under varying load conditions.
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