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The 3781A is a single-row tapered roller bearing cone with a 1.906″ bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 27500 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 has standard radial clearance, with options for C3, C4, or C5 available.
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.
Compliant with RoHS and REACH standards, it’s a robust and safe option for various machinery needs. The ABEC-1 rating ensures consistent performance.
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How Is 3781A Bearing Engineered for Reliability?
3781A Bearing features chrome steel construction, ensuring durability under combined loads.
Its tapered roller design efficiently handles both radial and thrust forces for versatile use.
The steel cage maintains proper roller alignment, reducing friction and wear.
With a dynamic radial load capacity of 27,500 lbf, it performs reliably in demanding conditions.
3781A Bearing operates smoothly within a temperature range of -30° to 110°C.
Its standard radial clearance options provide flexibility for various applications.
Industrial Uses of 3781A Bearing
3781A 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 3781A Bearing Used?
You’ll often find 3781A Bearing in automotive applications like truck wheel hubs, where its high dynamic radial load capacity keeps things running smoothly. Its inch sizing makes it a good fit for older or custom-built machinery.
Built for Heavy-Duty Use: 3781A Bearing
3781A Bearing excels in industrial gearboxes, thanks to its steel cage and standard radial clearance options. It’s a reliable choice for applications needing consistent performance under varying loads.
Automotive vs Aerospace: Applications of 3781A Bearing
In automotive settings, 3781A Bearing supports axle systems, while its precision makes it suitable for certain aerospace components. The ABEC-1 rating balances performance and cost for diverse needs.
Perfect Fit for Automation: 3781A Bearing
3781A Bearing works well in automated conveyor systems, where its tapered rollers manage both radial and thrust loads. The open seal design allows for easy lubrication in high-use environments.
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