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The 3979-3920 is a single-row tapered roller bearing with a 2.25″ bore and 4.4375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 31200 lbf radially and 5570 lbf thrust, making it a sturdy choice for heavy-duty applications.
Its open design allows easy lubrication, while the steel cage ensures reliable performance under stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.
This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in industrial machinery or automotive systems where combined loads are common.
Weighing 3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for various applications.
The standard radial clearance and ABEC-1 rating make it versatile for different precision needs. Its tapered roller design ensures even load distribution, enhancing longevity.
Suitable for scenarios requiring reliable performance under radial and thrust loads, such as gearboxes or wheel hubs. The chrome steel construction provides excellent wear resistance.
Easy to maintain and install, it’s a dependable choice for engineers and maintenance teams. Its dimensions and tolerances ensure a precise fit in compatible systems.
With a dynamic radial rating of 8090 lbf for 90 million revolutions, it offers lasting durability. The effective center location aids in proper alignment during installation.
Perfect for applications where combined loads and high durability are essential. Its design balances strength and ease of use, making it a practical solution.
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Performance Features of 3979-3920 Bearing
3979-3920 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 31,200 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.
How Is 3979-3920 Bearing Engineered for Reliability?
3979-3920 Bearing features a single-row tapered roller design, ideal for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its effective centre location of -0.18″ enhances stability under load.
This bearing is interchangeable with Timken models, offering flexibility in replacements.
Built for Durability: 3979-3920 Bearing
3979-3920 Bearing’s chrome steel components resist wear, making it suitable for demanding conditions.
The tapered roller design distributes loads evenly, reducing stress on individual components.
With a static radial load capacity of 43,000 lbf, it handles heavy loads with ease.
Its ABEC-1 rating ensures consistent performance in industrial applications.
Steel vs Ceramic Bearings: Strengths of 3979-3920 Bearing
3979-3920 Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice provides excellent strength and wear resistance compared to ceramic options.
The bearing’s dynamic thrust rating of 5,570 lbf ensures reliable operation under load.
Its standard lubrication requirement simplifies maintenance without compromising performance.
Industrial Uses of 3979-3920 Bearing
The 3979-3920 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively.
Its chrome steel construction ensures durability in tough environments, making it a reliable choice for long-term use.
Where Is 3979-3920 Bearing Used?
You’ll often find the 3979-3920 Bearing in automotive applications like truck wheel hubs, where its ability to manage radial and thrust loads is essential.
The imperial sizing makes it a straightforward fit for many North American vehicle models.
Built for Heavy-Duty Use: 3979-3920 Bearing
The 3979-3920 Bearing excels in industrial settings like conveyor systems, thanks to its robust steel cage and high load capacity.
Its open design simplifies maintenance, which is handy for equipment that sees frequent use.
Automotive vs Aerospace: Applications of 3979-3920 Bearing
In automotive systems, the 3979-3920 Bearing supports components like differentials, where its tapered rollers handle varying loads smoothly.
While less common in aerospace, its precision still makes it suitable for certain ground support equipment.
Key Fields for 3979-3920 Bearing
The 3979-3920 Bearing is a go-to for mining machinery, where its ability to withstand heavy loads and harsh conditions is invaluable.
Its standard radial clearance options also allow for flexibility in different operational setups.
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