TS (Single Row Tapered Roller Bearings) (Imperial) 8574-8522

The 8574-8522 is a single-row tapered roller bearing with a 9.25″ bore and 12.938″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 121,000 lbf radially and 21,800 lbf thrust, making it suitable for heavy-duty applications.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, gearboxes, or construction equipment where robust performance is needed.

Weighing 27.60 lb, it’s designed for stability and long service life. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 8574-8522
Brand TFL
Interchangeable Timken
Size 9.25" x 12.938" x 2.0625"
Bore Dia 9.25"
Bore Dia Tolerance +0.001" to 0
Outer Dia 12.938"
Outer Dia Tolerance +0.002" to 0
Cone Width 2.0625"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.4375"
Cup Width Tolerance +0.002" to -0.01
Width 2.0625"
Width Tolerance +0.014" to -0.01"
Cone Backface ToClear Radius 0.25"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 10.91"
Cone Backface Backing Diameter 10.2"
Cup Frontface Backing Diameter 12.40"
Cup Backface Backing Diameter 12.05"
Cage Cone Frontface Clearance 0.15"
Cage Cone Backface Clearance 0.23"
Effective Center Location 0.3"
System of Measurement Inch
Type Bearing
Cone Part Number 8574
Cup Part Number 8522
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 8500
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 121000 lbf
Static Radial Load 227000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 31300 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 21800 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 27.60 lb

Features

How Does 8574-8522 Bearing Handle Combined Loads?

8574-8522 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 121,000 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

Why Choose 8574-8522 Bearing for Precision Tasks?

8574-8522 Bearing features precise cone and cup dimensions, ensuring accurate load distribution.
The tapered roller design minimises friction, making it suitable for high-precision machinery.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different applications.
The ABEC-1 rating guarantees consistent performance in industrial settings.

Engineered for Reliability: 8574-8522 Bearing

8574-8522 Bearing’s chrome steel construction provides excellent durability under heavy loads.
The single-row design simplifies installation while maintaining high load-bearing capacity.
With a static radial load rating of 227,000 lbf, it ensures long-term reliability.
Proper lubrication further enhances its performance and service life.

Steel vs Ceramic Bearings: Strengths of 8574-8522 Bearing

8574-8522 Bearing uses chrome steel for both rollers and rings, balancing strength and cost-effectiveness.
This material choice ensures resistance to wear and tear in demanding industrial environments.
The steel cage adds structural integrity, keeping rollers aligned during operation.
Its compatibility with standard lubrication methods simplifies maintenance.

Performance Features of 8574-8522 Bearing

8574-8522 Bearing’s tapered roller design efficiently handles combined radial and thrust loads.
The precise tolerances on cone and cup dimensions ensure smooth operation.
With a dynamic thrust rating of 21,800 lbf, it excels in varied applications.
Its open seal type allows for easy lubrication and inspection.

Application

Industrial Uses of 8574-8522 Bearing
8574-8522 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is 8574-8522 Bearing Used?
You’ll often find 8574-8522 Bearing in agricultural machinery, such as tractors and harvesters, where its high radial load capacity keeps things running smoothly. Its inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 8574-8522 Bearing
8574-8522 Bearing works well in industrial gearboxes, providing reliable performance under constant stress. The open design allows for easy lubrication, which helps extend its service life.

Automotive vs Aerospace: Applications of 8574-8522 Bearing
In automotive applications, 8574-8522 Bearing supports axles and wheel hubs, while in aerospace, it’s used in landing gear systems. The steel cage adds strength, making it versatile for different industries.

Key Fields for 8574-8522 Bearing
8574-8522 Bearing is a solid choice for railway applications, particularly in freight car axles. Its standard radial clearance ensures consistent performance across varying load conditions.