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The 78551 is a single cup tapered roller bearing with an outer diameter of 5.513 inches and a width of 0.926 inches, made from sturdy chrome steel. It fits well with various Timken models, making it a versatile replacement option.
Designed for standard applications, it handles moderate loads and operates smoothly in temperatures from -30°C to 110°C. Its ABEC-1 rating ensures reliable performance for everyday industrial use.
The cup features precise tolerances and a durable construction, ideal for machinery requiring tapered roller bearings. It’s commonly used in automotive and industrial equipment where consistent performance is needed.
Compliant with RoHS and REACH standards, it’s a safe and dependable choice for maintenance and replacements. Its interchangeability with multiple part numbers adds to its practicality.
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Performance Features of 78551 Single Cups
78551 Single Cups are crafted from chrome steel, offering durability and resistance to wear in tapered roller bearing applications.
Their precise outer diameter tolerance of +0.001″ to 0 ensures a snug fit, enhancing stability under load.
The standard cup design works seamlessly with multiple bearing part numbers, providing versatility across different setups.
With a temperature range of -30° to 110°C, they perform reliably in varied environmental conditions.
How Is 78551 Single Cups Engineered for Reliability?
78551 Single Cups feature a robust chrome steel construction, ideal for handling heavy loads in industrial settings.
The cup width tolerance of +0.002″ to -0.01 allows for easy installation while maintaining precise alignment.
Designed to pair with multiple tapered roller bearings, they offer compatibility and ease of replacement.
Their ABEC-1 rating ensures consistent performance for general-purpose applications.
Built for Durability: 78551 Single Cups
78551 Single Cups are made from high-quality chrome steel, ensuring long service life even in demanding conditions.
The cup backface to clear radius of 0.09″ reduces stress concentrations, improving overall reliability.
They meet RoHS and REACH compliance standards, making them safe for various industrial uses.
With a frontface backing diameter of 5.22″, they provide stable support for tapered roller bearings.
Steel vs Ceramic Bearings: Strengths of 78551 Single Cups
78551 Single Cups utilise chrome steel for superior strength and resistance to wear in tapered roller bearing systems.
Their inch-based measurements ensure compatibility with imperial-sized machinery and components.
The standard cup type simplifies maintenance and replacement, reducing downtime.
Operating within a -30° to 110°C range, they adapt well to both cold and moderately hot environments.
Industrial Uses of 78551 Single Cups
78551 Single Cups are commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where tapered roller bearings are essential for handling radial and axial loads.
The inch sizing makes them compatible with older machinery and North American industrial standards, ensuring easy replacement and maintenance.
Where Is 78551 Single Cups Used?
You’ll often find 78551 Single Cups in automotive applications like truck wheel hubs, where their tapered design helps manage varying load conditions.
The chrome steel construction ensures durability, even in high-stress environments like mining or forestry equipment.
Built for Heavy-Duty Use: 78551 Single Cups
78551 Single Cups excel in applications like gearboxes and drivetrains, where their robust design supports long-term performance.
The standard cup type simplifies installation, making them a reliable choice for both new builds and repairs.
Automotive vs Industrial: Applications of 78551 Single Cups
In automotive settings, 78551 Single Cups are ideal for wheel bearings and differential systems, offering smooth operation under heavy loads.
For industrial use, they’re a go-to for conveyor systems and pulp machinery, thanks to their ABEC-1 precision and temperature resilience.
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