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TS (Single Row Tapered Roller Bearings) (Imperial) 8573-8520

TS (Single Row Tapered Roller Bearings) (Imperial) 8573-8520

The 8573-8520 is a single-row tapered roller bearing with a 9″ bore and 12.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 126,000 lbf radially and 22,700 lbf thrust, making it robust for heavy-duty use.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or large equipment where combined loads are common.

Weighing 29.3 lb, it’s built for strength and longevity. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 8573-8520
  • Brand TFL
  • Interchangeable Timken
  • Size 9" x 12.875" x 2.0625"
  • Bore Dia 9"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 12.875"
  • 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 10.73"
  • Cone Backface Backing Diameter 10.04"
  • Cup Frontface Backing Diameter 12.40"
  • Cup Backface Backing Diameter 12.01"
  • Cage Cone Frontface Clearance 0.13"
  • Cage Cone Backface Clearance 0.24"
  • Effective Center Location 0.3"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 8573
  • Cup Part Number 8520
  • 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 126000 lbf
  • Static Radial Load 240000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 32500 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 22700 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 29.3 lb

Features

How Does 8573-8520 Bearing Handle Combined Loads?

8573-8520 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 126,000 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes 8573-8520 Bearing Suitable for Heavy-Duty Applications?

8573-8520 Bearing features a single-row tapered roller design, providing excellent load distribution.
The chrome steel construction enhances durability, even under high static radial loads of 240,000 lbf.
Its standard radial clearance allows for smooth operation, reducing the need for frequent adjustments.
The open seal type ensures easy lubrication, maintaining performance over time.

Engineered for Precision: 8573-8520 Bearing

8573-8520 Bearing is designed with precise tolerances, ensuring consistent performance in demanding conditions.
The tapered roller construction minimises friction, enhancing efficiency and reducing wear.
With an ABEC-1 rating, it balances precision and affordability for various industrial uses.
The effective center location of 0.3″ ensures proper alignment during installation.

Structural Advantages of 8573-8520 Bearing

8573-8520 Bearing’s chrome steel rollers and rings provide excellent resistance to heavy loads.
The steel cage maintains roller spacing, preventing misalignment and reducing maintenance needs.
Its dynamic thrust rating of 22,700 lbf ensures reliable performance in combined load scenarios.
The standard radial clearance option allows for flexibility in different applications.

Application

Industrial Uses of 8573-8520 Bearing
8573-8520 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 in tough working conditions.

In automotive applications, 8573-8520 Bearing supports large drivetrain components such as differentials and wheel hubs. Its imperial sizing makes it a straightforward replacement for Timken bearings in older or American-made vehicles.

For industrial fans and pumps, 8573-8520 Bearing’s open design allows for easy lubrication, extending service life in high-temperature environments. The standard radial clearance offers flexibility for various operational needs.

Where Is 8573-8520 Bearing Used?
8573-8520 Bearing finds its place in agricultural machinery, particularly in tractors and harvesters, where reliability under heavy loads is essential. The steel cage adds strength without compromising on weight.

In material handling systems, 8573-8520 Bearing ensures smooth operation of conveyor belts and lifting equipment. Its ABEC-1 rating provides sufficient precision for most industrial applications.

Built for Heavy-Duty Use: 8573-8520 Bearing
8573-8520 Bearing is ideal for forestry equipment like log splitters and sawmills, where its static radial load capacity of 240,000 lbf comes into play. The tapered rollers distribute stress evenly.

For railway applications, 8573-8520 Bearing supports axle boxes, handling both radial and thrust loads. Its temperature range of -30° to 110°C ensures performance in varying climates.

Automotive vs Aerospace: Applications of 8573-8520 Bearing
In automotive settings, 8573-8520 Bearing is often found in truck transmissions, where its dynamic thrust rating of 22,700 lbf is beneficial. The inch measurements simplify maintenance.

For aerospace ground support equipment, 8573-8520 Bearing’s reliability makes it suitable for aircraft tugs and loading systems. The chrome steel rollers resist wear over time.

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