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The 390A is a single-row tapered roller bearing with a 2.5-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 22200 lbf and operates smoothly in temperatures from -30°C to 110°C.
Its open design allows for easy lubrication, while the steel cage ensures reliable performance under heavy loads. The bearing is interchangeable with Timken models, making it a versatile choice for replacements.
With standard radial clearance (also available in C3/C4/C5), it suits various industrial applications. Ideal for machinery requiring robust performance, such as gearboxes or heavy-duty equipment.
Compliant with RoHS and REACH standards, it’s a safe and dependable option for long-term use. The ABEC-1 rating ensures consistent precision for general industrial needs.
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How Does 390A Bearing Handle Combined Loads?
390A Bearing is built with chrome steel rings and a steel cage, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 22,200 lbf, ensuring reliable performance in various applications.
The tapered roller design provides smooth operation and reduces friction under heavy loads.
With a standard radial clearance, it adapts well to different operating conditions.
Why Choose 390A Bearing for Heavy-Duty Applications?
390A Bearing’s single-row construction and chrome steel materials enhance durability in demanding environments.
It supports dynamic thrust loads up to 3,970 lbf, making it suitable for combined load scenarios.
The steel cage maintains roller alignment, extending the bearing’s service life.
Its temperature range of -30° to 110°C ensures consistent performance in varied climates.
Engineered for Reliability: 390A Bearing
390A Bearing features precise cone width tolerances, ensuring a secure fit and smooth operation.
The tapered roller design minimises friction, improving efficiency in heavy-load applications.
With an ABEC-1 rating, it balances precision and cost-effectiveness.
Its compliance with RoHS and REACH standards reflects its environmental safety.
Steel vs Chrome Steel Bearings: Strengths of 390A Bearing
390A Bearing combines chrome steel rings with a steel cage for optimal strength and wear resistance.
The tapered rollers distribute loads evenly, reducing stress on individual components.
Its dynamic radial rating of 38,700 lbf for two-row configurations highlights its versatility.
The standard radial clearance option allows for easy integration into existing systems.
Industrial Uses of 390A Bearing
390A Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The open seal allows for easy lubrication, extending its lifespan in dusty environments.
What Makes 390A Bearing a Preferred Choice?
In automotive applications, 390A Bearing supports wheel hubs and differential systems, offering reliable performance under radial and thrust loads. Its inch sizing makes it a go-to for American and British vehicle manufacturers.
Built for Heavy-Duty Use: 390A Bearing
For industrial fans and pumps, 390A Bearing’s chrome steel construction ensures durability in high-speed operations. The steel cage adds stability, making it suitable for continuous use in demanding settings.
Automotive vs Aerospace: Applications of 390A Bearing
While 390A Bearing excels in truck axles and off-road vehicles, its precision also suits aerospace landing gear components. The ABEC-1 rating balances cost and performance for diverse industries.
Perfect Fit for Automation: 390A Bearing
In conveyor systems and packaging machines, 390A Bearing’s standard radial clearance ensures smooth operation. Its compatibility with various lubrication methods makes maintenance straightforward.
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