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The 644-632A is a single-row tapered roller bearing with a 2.8125″ bore and 5.375″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 62,100 lbf radially and 9,980 lbf thrust, making it a versatile choice.
Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.
This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.
Weighing 6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets essential safety and environmental requirements.
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Performance Features of 644-632A Bearing
644-632A Bearing is built with chrome steel rings and rollers, ensuring strength for combined load applications.
Its dynamic radial load capacity reaches 62,100 lbf, making it suitable for heavy-duty operations.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.
How Is 644-632A Bearing Engineered for Reliability?
644-632A Bearing features precise cone and cup dimensions, ensuring smooth operation under combined loads.
The chrome steel construction resists wear, while the standard radial clearance offers flexibility.
Its dynamic thrust rating of 9,980 lbf (Ca90) highlights its balanced performance.
Designed for easy lubrication, it maintains efficiency over long periods.
Built for Durability: 644-632A Bearing
644-632A Bearing’s single-row tapered roller design handles both radial and thrust loads effectively.
The steel cage and chrome steel rollers work together to minimise wear and noise.
With an ABEC-1 rating, it provides reliable precision for industrial applications.
Its wide temperature range ensures consistent performance in diverse environments.
Steel vs Ceramic Bearings: Strengths of 644-632A Bearing
644-632A Bearing uses chrome steel for both rings and rollers, offering excellent durability.
This material choice provides strong resistance to heavy loads and typical operating stresses.
The steel cage design ensures proper roller spacing for reduced friction.
While ceramic options exist, 644-632A Bearing delivers proven performance at a practical cost.
Industrial Uses of 644-632A Bearing
644-632A Bearing is commonly used in heavy machinery like construction equipment and mining gear, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in tough working conditions.
Where Is 644-632A Bearing Used?
You’ll often find 644-632A Bearing in agricultural machinery, such as tractors and harvesters, where its robust design supports high loads. Its inch sizing makes it a good fit for North American equipment standards.
Built for Heavy-Duty Use: 644-632A Bearing
644-632A Bearing works well in industrial fans and pumps, thanks to its ability to manage both radial and axial forces. The open design allows for easy lubrication, extending its service life in continuous operations.
Automotive vs Aerospace: Applications of 644-632A Bearing
In automotive applications, 644-632A Bearing supports wheel hubs and drivetrains, offering reliable performance. While not typically used in aerospace, its precision makes it suitable for ground support equipment.
Essential Roles of 644-632A Bearing
644-632A Bearing is a go-to choice for conveyor systems in factories, where its tapered rollers ensure smooth movement under heavy loads. The steel cage adds extra strength, making it dependable for long-term use.
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