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The 27821 is a single cup bearing with an outer diameter of 3.151 inches and a width of 0.6875 inches, made from sturdy chrome steel. It’s designed for tapered roller bearings and fits well in imperial-sized applications.
Its precise tolerances ensure a snug fit, with the outer diameter tolerance ranging from +0.001″ to 0. The cup’s backface clearance radius of 0.06″ helps with easy installation.
This model is interchangeable with Timken bearings, making it a practical choice for replacements. It operates smoothly in temperatures from -30°C to 110°C.
Ideal for industrial machinery or automotive systems where tapered roller bearings are used. Compliant with RoHS and REACH standards for safe and reliable performance.
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Why Choose 27821 Single Cup for Precision Tasks?
27821 Single Cup is crafted from chrome steel, offering durability and resistance to wear in tapered roller bearing applications.
Its precise outer diameter tolerance of +0.001″ to 0 ensures a snug fit, enhancing performance.
The cup’s design includes a backface to clear radius of 0.06″, reducing stress and improving longevity.
With an operating temperature range of -30° to 110°C, it performs reliably in varied conditions.
How Is 27821 Single Cup Engineered for Reliability?
27821 Single Cup features a standard cup type design, compatible with Timken bearings for easy interchangeability.
The chrome steel construction provides excellent strength, suitable for heavy-duty applications.
Its frontface backing diameter of 2.99″ ensures proper alignment, minimising misalignment issues.
The ABEC-1 rating confirms consistent precision, meeting industry standards.
Built for Durability: 27821 Single Cup
27821 Single Cup’s tapered roller bearing design ensures efficient load distribution, reducing wear.
The cup width tolerance of +0.002″ to -0.01″ allows for precise installation and alignment.
With a backface backing diameter of 2.72″, it fits seamlessly into compatible housing.
Its compliance with RoHS and REACH standards makes it an environmentally friendly choice.
Steel vs Ceramic Bearings: Strengths of 27821 Single Cup
27821 Single Cup uses chrome steel for its rings, balancing cost and performance in industrial settings.
The material’s resistance to high temperatures ensures stability up to 110°C.
Its inch-based measurements make it ideal for applications requiring imperial sizing.
The 27800 series design offers reliability, backed by Timken interchangeability.
Industrial Uses of 27821 Bearing
27821 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its tapered design handles radial and axial loads efficiently. The chrome steel construction ensures durability in tough working conditions.
Where Is 27821 Bearing Used?
You’ll often find 27821 Bearing in automotive applications like wheel hubs and differential systems, thanks to its precise inch measurements and compatibility with Timken designs. Its robust build makes it reliable for long-term use.
Built for Heavy-Duty Use: 27821 Bearing
This bearing excels in industrial gearboxes and conveyor systems, where its tapered rollers distribute loads evenly. The ABEC-1 rating ensures consistent performance without over-engineering for standard applications.
Automotive vs Industrial: Applications of 27821 Bearing
In vehicles, 27821 Bearing supports wheel assemblies, while in factories, it’s ideal for pulley systems. The inch sizing simplifies replacements in both American and British machinery.
Perfect Fit for Automation: 27821 Bearing
27821 Bearing works well in automated production lines, particularly in robotic arms needing smooth rotation. Its temperature range suits both indoor and outdoor environments.
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