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The 3878A is a single-row tapered roller bearing cone with a 1.4375″ bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 27900 lbf and operates smoothly in temperatures from -30°C to 110°C.
Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone features standard radial clearance, with options for C3, C4, or C5 fits depending on your needs.
This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.
With an ABEC-1 rating, it offers good precision for general use. Compliant with RoHS and REACH standards, it’s a safe and dependable option for various machinery.
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How Is 3878A Bearing Engineered for Reliability?
3878A Bearing features a tapered roller design, optimised for handling combined loads with ease.
Its chrome steel construction ensures durability, even under dynamic radial loads up to 27,900 lbf.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in varied environments.
Standard radial clearance options (C3/C4/C5) allow flexibility for different application needs.
This makes 3878A Bearing a practical choice for industrial and heavy-duty use.
Industrial Uses of 3878A Bearing
3878A Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.
Where Is 3878A Bearing Used?
You’ll often find 3878A Bearing in automotive applications like wheel hubs and differential systems, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a good fit for American and British vehicle models.
Built for Heavy-Duty Use: 3878A Bearing
3878A Bearing excels in industrial gearboxes, providing reliable performance under high stress. The open seal design allows for easy lubrication, extending its service life in demanding environments.
Automotive vs Aerospace: Applications of 3878A Bearing
In automotive settings, 3878A Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems where precision and reliability are key. Its steel cage adds strength without adding unnecessary weight.
What Makes 3878A Bearing a Preferred Choice?
3878A Bearing is a go-to for agricultural machinery, where its robust design handles uneven loads and harsh conditions. The standard radial clearance ensures smooth operation even with varying temperatures.
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