TS (Single Row Tapered Roller Bearings) (Imperial) 578-572

The 578-572 is a single-row tapered roller bearing with a 3.149″ bore and 5.5115″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 46500 lbf radially and 8330 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, ideal for various industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. It’s commonly used in gearboxes, axles, and machinery where combined loads are present.

Weighing 4.9 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Description

Features

Application

Q&A

Product Parameters

Part Number 578-572
Brand TFL
Interchangeable Timken
Size 3.149" x 5.5115" x 1.4375"
Bore Dia 3.149"
Bore Dia Tolerance +0.001" to 0
Outer Dia 5.5115"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.4212"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.125"
Cup Width Tolerance +0.002" to -0.01
Width 1.4375"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 4.29"
Cone Backface Backing Diameter 3.74"
Cup Frontface Backing Diameter 5.25"
Cup Backface Backing Diameter 4.92"
Cage Cone Frontface Clearance 0.1"
Cage Cone Backface Clearance 0.12"
Effective Center Location -0.21"
System of Measurement Inch
Type Bearing
Cone Part Number 578
Cup Part Number 572
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 575
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 46500 lbf
Static Radial Load 65400 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 12100 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 8330 lbf
Lubrication Required
Temperature Range -30° to 110 °C
ABEC Rating ABEC-1
Radial Clearance Standard (Available in C3/C4/C5)
RoHS Compliant
REACH Compliant
Weight 4.900 lb

Features

How Is 578-572 Bearing Engineered for Reliability?

578-572 Bearing is constructed with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 46,500 lbf, ensuring dependable performance in tough conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

Structural Advantages of 578-572 Bearing

578-572 Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The precise cone and cup width tolerances ensure smooth operation and easy installation.
Its standard radial clearance allows for flexibility in different applications.
The open seal type simplifies maintenance while maintaining performance.

Why Choose 578-572 Bearing for Precision Tasks?

578-572 Bearing’s ABEC-1 rating ensures consistent precision in demanding applications.
The chrome steel rollers and rings provide durability and resistance to wear.
With a static radial load capacity of 65,400 lbf, it handles heavy-duty tasks with ease.
The effective centre location design enhances stability during operation.

Application

Industrial Uses of 578-572 Bearing
The 578-572 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability even in tough working conditions.

Where Is 578-572 Bearing Used?
You’ll often find the 578-572 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for older or custom-built vehicles.

Built for Heavy-Duty Use: 578-572 Bearing
This bearing excels in industrial gearboxes, where its high dynamic load capacity keeps operations smooth. The open design allows for easy lubrication, extending its service life in demanding environments.

Automotive vs Aerospace: Applications of 578-572 Bearing
In automotive settings, the 578-572 Bearing supports heavy loads in drivetrains, while its precision also makes it suitable for certain aerospace components. The steel cage adds extra stability under stress.

Perfect Fit for Automation: 578-572 Bearing
The 578-572 Bearing works well in automated conveyor systems, where its tapered rollers manage both radial and axial forces. Its standard radial clearance ensures consistent performance over time.