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The 39521 is a single cup tapered roller bearing with an outer diameter of 4.4375 inches and a width of 0.9375 inches, made from durable chrome steel. It fits well with various Timken interchangeable models, offering reliable performance in imperial measurements.
Designed for tapered roller bearings, it handles moderate loads and operates smoothly in temperatures from -30°C to 110°C. Its standard cup type ensures easy installation and compatibility with multiple bearing part numbers.
The cup features precise tolerances and a sturdy chrome steel construction, making it suitable for industrial applications. Compliant with RoHS and REACH standards, it’s a safe choice for machinery and automotive uses.
Ideal for replacements in gearboxes or wheel hubs, this cup provides long-lasting durability. Its ABEC-1 rating ensures consistent performance for everyday industrial needs.
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How Is 39521 Bearing Engineered for Reliability?
39521 Bearing features chrome steel construction, offering durability and resistance to wear in various applications.
Its tapered roller design ensures efficient load distribution, enhancing performance under stress.
The cup width tolerance of +0.002″ to -0.01″ allows for precise fitting, reducing installation errors.
With a temperature range of -30° to 110 °C, it performs reliably in diverse environmental conditions.
39521 Bearing is interchangeable with Timken models, providing flexibility for replacement and maintenance.
Its ABEC-1 rating ensures consistent quality and smooth operation for industrial use.
Key Fields for 39521 Single Cups (Imperial)
39521 Single Cups (Imperial) are commonly used in industrial machinery, especially in conveyor systems where tapered roller bearings are needed for smooth operation. Their chrome steel construction ensures durability in demanding environments.
In automotive applications, 39521 Single Cups (Imperial) fit well in wheel hubs and gearboxes, providing reliable performance under heavy loads. The inch sizing makes them compatible with a variety of vehicle models.
For agricultural equipment, these cups handle the rough conditions of tractors and harvesters, thanks to their robust design. The standard series ensures easy replacement and maintenance.
Where Is 39521 Single Cups (Imperial) Used?
You’ll often find 39521 Single Cups (Imperial) in construction equipment like bulldozers and cranes, where their tapered design manages axial and radial loads effectively. The ABEC-1 rating balances precision and cost.
In mining machinery, these cups endure harsh conditions, offering long service life. Their interchangeability with Timken models simplifies sourcing and repairs.
Built for Heavy-Duty Use: 39521 Single Cups (Imperial)
39521 Single Cups (Imperial) excel in railway applications, supporting axle loads with their sturdy chrome steel rings. The temperature range suits both cold and moderate climates.
They’re also a go-to for marine equipment, where corrosion resistance and reliability are key. The standard cup type ensures compatibility across various systems.
Automotive vs Aerospace: Applications of 39521 Single Cups (Imperial)
In automotive settings, 39521 Single Cups (Imperial) are ideal for drivetrains, handling high torque and stress. Their inch measurements align with many US and UK vehicle standards.
For aerospace ground support equipment, these cups provide dependable performance in load-bearing components. The tapered roller design ensures smooth operation under varying pressures.
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