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The 398-394AB is a single-row tapered roller bearing with a 2″ bore and 4.3307″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 22200 lbf radially and 3970 lbf thrust, making it versatile for various applications.
Its flanged cup design ensures secure positioning, while the open seal allows for easy lubrication. The steel cage enhances durability, and it operates smoothly in temperatures from -30°C to 110°C.
This bearing is interchangeable with Timken models, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.
Weighing 2.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets environmental and safety requirements.
The standard radial clearance can be adjusted to C3, C4, or C5 for specific needs. Its tapered rollers provide efficient load distribution, ensuring long service life.
Suitable for industrial equipment or vehicle axles, this bearing balances strength and precision. The ABEC-1 rating confirms its reliable performance for general applications.
Maintenance is straightforward, with regular lubrication keeping it in top condition. The flange adds stability, preventing misalignment during operation.
Perfect for scenarios requiring both radial and thrust load support, this bearing is a practical choice. Its design ensures easy installation and consistent performance under demanding conditions.
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Performance Features of 398-394AB Bearing
398-394AB Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 22,200 lbf, making it suitable for heavy-duty applications.
The tapered roller design ensures smooth operation and even load distribution.
With a standard radial clearance, it provides reliable performance in various conditions.
How Does 398-394AB Bearing Reduce Friction?
398-394AB Bearing’s tapered roller design minimises friction, ensuring efficient operation under combined loads.
The chrome steel construction enhances durability while maintaining smooth performance.
Its effective centre location helps in reducing wear and tear over time.
This design makes it a practical choice for demanding industrial applications.
Engineered for Precision: 398-394AB Bearing
398-394AB Bearing features precise dimensions with tight tolerances, ensuring accurate performance.
The flanged cup design provides secure mounting and alignment in various setups.
Its ABEC-1 rating guarantees consistent quality for general precision needs.
The standard radial clearance option allows for flexibility in different operating conditions.
Steel vs Ceramic Bearings: Strengths of 398-394AB Bearing
398-394AB Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
This material choice provides good resistance to wear in typical industrial environments.
The steel cage further enhances the bearing’s stability under load.
While not as lightweight as ceramic, it offers reliable performance at a practical cost.
Industrial Uses of 398-394AB Bearing
398-394AB Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The flanged cup adds stability, making it ideal for applications with axial movement.
In automotive systems, 398-394AB Bearing fits well in wheel hubs and differentials, thanks to its inch sizing and compatibility with Timken designs. Its chrome steel construction ensures durability under high stress and varying temperatures.
For industrial conveyors, 398-394AB Bearing’s open design simplifies lubrication, extending service life in dusty or high-load environments. The standard radial clearance offers flexibility for different operational needs.
What Makes 398-394AB Bearing a Preferred Choice?
398-394AB Bearing stands out in mining equipment due to its robust dynamic load capacity, which withstands harsh conditions. The steel cage provides reliable support for the rollers during intense operations.
In forestry machinery, 398-394AB Bearing’s tapered rollers manage uneven loads from heavy logs, ensuring smooth rotation. Its ABEC-1 rating balances precision and cost-effectiveness for rugged applications.
Built for Heavy-Duty Use: 398-394AB Bearing
398-394AB Bearing excels in oilfield machinery, where its flange prevents misalignment during high-vibration drilling. The chrome steel rollers resist wear, even in abrasive environments.
For railway applications, 398-394AB Bearing’s inch measurements align with North American standards, simplifying maintenance. Its temperature range suits both cold and hot climates.
Automotive vs Aerospace: Applications of 398-394AB Bearing
In trucks, 398-394AB Bearing supports axles and transmissions, handling heavy loads with ease. The open seal design allows for easy greasing during routine checks.
While not for aerospace, 398-394AB Bearing is a workhorse in industrial fans, where its tapered rollers reduce friction. The flanged cup keeps the bearing securely in place during prolonged use.
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