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The 421 single cones are tapered roller bearings designed for combined loads, with a 1.378″ bore and made from durable chrome steel. They handle dynamic radial loads up to 26000 lbf and are built to last in tough conditions.
Their open design allows for easy maintenance, while the steel cage ensures reliable performance. The bearings operate smoothly in temperatures ranging from -30°C to 110°C.
These cones are interchangeable with Timken bearings, making them a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial machinery where combined loads are common.
Compliant with RoHS and REACH standards, they offer a balance of strength and durability. Available in standard radial clearance, with options for C3, C4, or C5 as needed.
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Performance Features of 421 Bearing
421 Bearing is built with chrome steel rings and a steel cage, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 26,000 lbf, making it suitable for heavy-duty applications.
The tapered roller design ensures smooth operation and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.
How Is 421 Bearing Engineered for Reliability?
421 Bearing features a single-row construction, providing stability and precision in demanding environments.
The chrome steel material enhances durability, while the steel cage maintains roller alignment.
Its dynamic thrust rating of 3,040 lbf ensures consistent performance under varying loads.
Designed for combined loads, it balances radial and thrust capabilities effectively.
Built for Durability: 421 Bearing
421 Bearing’s tapered roller design reduces friction, extending its service life.
The standard radial clearance options (C3/C4/C5) allow for flexibility in different applications.
With a static radial load capacity of 28,000 lbf, it handles heavy loads with ease.
Its ABEC-1 rating ensures reliable precision for industrial use.
Steel vs Ceramic Bearings: Strengths of 421 Bearing
421 Bearing uses chrome steel for its rings and steel for the cage, offering a cost-effective yet durable solution.
The tapered roller design provides excellent load distribution, outperforming many alternatives.
Its dynamic radial rating (C90) of 6,740 lbf ensures long-lasting performance.
The open seal type allows for easy maintenance and inspection.
Why Choose 421 Bearing for Precision Tasks?
421 Bearing’s precise cone width and backface tolerances ensure accurate alignment.
The effective center location of -0.38″ enhances stability in mounted applications.
With a dynamic radial rating (C1) of 45,300 lbf for two-row setups, it excels in heavy machinery.
The temperature resilience makes it versatile for various industrial environments.
Industrial Uses of 421 Bearing
The 421 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in tough working conditions.
Where Is 421 Bearing Used?
You’ll often find the 421 Bearing in automotive applications like wheel hubs and differentials, thanks to its ability to manage both radial and thrust loads. The inch sizing makes it a go-to choice for older or custom-built vehicles.
Built for Heavy-Duty Use: 421 Bearing
In industrial settings, the 421 Bearing excels in conveyor systems and gearboxes, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength for high-load scenarios.
Automotive vs Aerospace: Applications of 421 Bearing
While the 421 Bearing is popular in automotive systems like axles, it’s also suitable for aerospace ground support equipment. Its standard radial clearance options make it versatile for various precision needs.
Key Fields for 421 Bearing
The 421 Bearing is a reliable choice for mining equipment, where its dynamic load capacity ensures long service life. Its compatibility with Timken models makes replacements straightforward.
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