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The 3919RB is a single cup tapered roller bearing with an outer diameter of 4.4375″ and a width of 0.9687″, made from durable chrome steel. It fits well with various tapered roller bearings, including Timken-compatible models, ensuring easy replacements.
Its standard cup design and ABEC-1 rating provide reliable performance for general industrial use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, making it versatile for different environments.
The cup’s precise dimensions and tolerances ensure a secure fit, while the chrome steel construction offers long-lasting durability. Compliant with RoHS and REACH standards, it’s a safe choice for various applications.
Ideal for machinery requiring tapered roller bearings, such as automotive or heavy equipment. Its interchangeability with multiple part numbers adds convenience for maintenance and repairs.
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Structural Advantages of 3919RB Bearing
3919RB Bearing features a chrome steel construction, offering durability and resistance to wear.
Its tapered roller design ensures efficient load distribution, enhancing performance in various applications.
The cup width tolerance of +0.002″ to -0.01″ allows for precise fitting, reducing installation errors.
With an outer diameter of 4.4375″, it provides a stable fit in compatible assemblies.
3919RB Bearing operates within a temperature range of -30° to 110°C, suitable for diverse environments.
Its ABEC-1 rating ensures reliable precision for standard industrial uses.
Common Applications of 3919RB Single Cups
3919RB Single Cups are widely used in industrial machinery, especially in conveyor systems and heavy-duty gearboxes where tapered roller bearings are essential. Their chrome steel construction ensures durability under high radial and thrust loads.
In automotive applications, 3919RB Single Cups are often found in wheel hubs and differential systems, providing reliable performance in demanding conditions. The inch sizing makes them compatible with a variety of American and British vehicle models.
For agricultural equipment, 3919RB Single Cups support components like tractor axles and harvesters, where their robust design handles rough terrain and heavy loads. The standard series design simplifies maintenance and replacement.
Where Is 3919RB Single Cups Used?
3919RB Single Cups are commonly seen in construction equipment, such as excavators and cranes, where tapered roller bearings are crucial for smooth operation. Their precise tolerances ensure consistent performance in harsh environments.
In mining machinery, 3919RB Single Cups endure extreme loads and vibrations, making them a reliable choice for crushers and conveyors. The chrome steel rings resist wear, extending the bearing’s service life.
Built for Heavy-Duty Use: 3919RB Single Cups
3919RB Single Cups excel in railway applications, particularly in axle boxes where they manage both radial and axial forces. Their robust design ensures stability even under continuous high-speed operation.
For marine equipment, 3919RB Single Cups are used in propulsion systems, offering resistance to corrosion and heavy loads. The ABEC-1 rating provides a balance of precision and durability for these applications.
Automotive vs Aerospace: Applications of 3919RB Single Cups
In automotive systems, 3919RB Single Cups are vital for transmissions and drivetrains, handling high torque and variable speeds. Their inch measurements align with many standard automotive designs.
In aerospace, 3919RB Single Cups are less common but still find use in auxiliary systems like landing gear mechanisms. The temperature range of -30° to 110°C ensures reliability in diverse operating conditions.
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