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The 748 single cones are tapered roller bearings designed for combined loads, with a 3.1496″ bore and made from durable chrome steel. They handle dynamic radial loads up to 71400 lbf and operate smoothly in temperatures from -30°C to 110°C.
Their open design allows for easy maintenance, while the steel cage ensures reliable performance. The cones are part of the 745 series and come in various configurations for flexibility.
These bearings are interchangeable with Timken models, making them a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or vehicle axles where combined loads are common.
With standard radial clearance and ABEC-1 rating, they offer good precision for general use. Compliant with RoHS and REACH standards for safe operation in various environments.
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How Does 748 Bearing Handle Combined Loads?
748 Bearing is designed with chrome steel rings and a steel cage, providing strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 71,400 lbf, ensuring reliable performance in demanding applications.
The tapered roller design distributes loads evenly, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.
Why Choose 748 Bearing for Heavy-Duty Applications?
748 Bearing’s single-row construction offers a compact design while handling high combined loads.
The chrome steel material ensures durability, even under static radial loads up to 93,800 lbf.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different applications.
The effective center location of -0.47″ ensures proper alignment and smooth operation.
Engineered for Precision: 748 Bearing
748 Bearing features precise bore diameter tolerances of +0.001″ to 0, ensuring accurate fits.
The tapered roller design minimises friction, contributing to efficient power transmission.
With an ABEC-1 rating, it provides consistent performance for industrial applications.
The steel cage maintains roller alignment, enhancing overall bearing reliability.
Structural Advantages of 748 Bearing
748 Bearing’s cone width tolerance of +0.003″ to -0.01″ allows for precise installation.
The chrome steel construction resists wear, even under dynamic thrust loads up to 10,300 lbf.
Its cage clearances (0.08″ frontface and 0.05″ backface) ensure smooth roller movement.
The bearing operates effectively within a wide temperature range, from -30° to 110°C.
Industrial Uses of 748 Bearing
748 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where its tapered roller design handles combined loads effectively. The open seal type allows for easy lubrication, extending service life in demanding conditions.
Where Is 748 Bearing Used?
You’ll often find 748 Bearing in industrial gearboxes and axle systems, thanks to its robust chrome steel construction. Its inch sizing makes it a reliable choice for machinery following imperial measurement standards.
Built for Heavy-Duty Use: 748 Bearing
748 Bearing excels in applications like mining equipment and rail transport, where high radial and thrust loads are common. The steel cage ensures durability even under continuous operation.
Automotive vs Aerospace: Applications of 748 Bearing
In automotive settings, 748 Bearing supports wheel hubs and differential systems, while in aerospace, it’s used in landing gear mechanisms. Its temperature range suits both ground and flight conditions.
Perfect Fit for Automation: 748 Bearing
748 Bearing works well in automated conveyor systems and robotic arms, where precision and load capacity matter. The standard radial clearance offers smooth operation in repetitive motion scenarios.
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