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TS (Single Row Tapered Roller Bearings) (Imperial) 8575-8520

TS (Single Row Tapered Roller Bearings) (Imperial) 8575-8520

The 8575-8520 is a single-row tapered roller bearing with a 9.25″ bore and 12.875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 126,000 lbf radially and 22,700 lbf thrust, making it a robust choice 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, suitable for various industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in gearboxes, axles, or machinery where both radial and thrust loads are present.

Weighing 27.2 lb, it’s designed for long-lasting performance with standard radial clearance. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 8575-8520
  • Brand TFL
  • Interchangeable Timken
  • Size 9.25" x 12.875" x 2.0625"
  • Bore Dia 9.25"
  • 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 10.91"
  • Cone Backface Backing Diameter 10.2"
  • 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 8575
  • 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 27.200 lb

Features

Performance Features of 8575-8520 Bearing

8575-8520 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 126,000 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 8575-8520 Bearing Resist Wear?

8575-8520 Bearing’s chrome steel construction provides excellent resistance to wear and tear.
The tapered roller design distributes loads evenly, extending the bearing’s service life.
Its standard radial clearance ensures smooth operation under different load conditions.
The steel cage maintains roller positioning, further reducing friction and wear.

Engineered for Precision: 8575-8520 Bearing

8575-8520 Bearing features precise dimensions, with a bore diameter tolerance of +0.001″ to 0.
Its effective center location of 0.3″ ensures accurate alignment in machinery.
The tapered roller design offers reliable performance under combined radial and thrust loads.
With an ABEC-1 rating, it meets standard precision requirements for industrial use.

Steel vs Ceramic Bearings: Strengths of 8575-8520 Bearing

8575-8520 Bearing uses chrome steel for both rings and rollers, providing high strength and durability.
This material choice ensures reliable performance under heavy loads and harsh conditions.
The steel cage adds structural integrity, keeping rollers in place during operation.
Unlike ceramic bearings, 8575-8520 Bearing offers a cost-effective solution for industrial applications.

Application

Industrial Uses of 8575-8520 Bearing
8575-8520 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 8575-8520 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 8575-8520 Bearing’s open design allows for easy lubrication, extending service life in continuous operation environments. The steel cage adds stability, reducing wear over time.

What Makes 8575-8520 Bearing a Preferred Choice?
8575-8520 Bearing stands out in agricultural machinery, such as tractors and harvesters, due to its ability to withstand heavy loads and harsh conditions. The standard radial clearance offers flexibility for various applications.

In railway applications, 8575-8520 Bearing supports axle boxes, ensuring smooth and safe operation under dynamic loads. Its ABEC-1 rating provides sufficient precision for most rail transport needs.

Built for Heavy-Duty Use: 8575-8520 Bearing
8575-8520 Bearing is ideal for wind turbine gearboxes, where its tapered rollers manage both radial and axial forces effectively. The temperature range suits outdoor installations in varying climates.

For oil and gas equipment, 8575-8520 Bearing’s robust design handles the demanding conditions of drilling rigs and pumps. The required lubrication ensures consistent performance in high-stress environments.

Automotive vs Aerospace: Applications of 8575-8520 Bearing
In automotive systems, 8575-8520 Bearing is often found in heavy-duty trucks and buses, offering reliable load support. Its compatibility with Timken models simplifies maintenance and replacements.

For aerospace ground support equipment, 8575-8520 Bearing provides the necessary strength and precision. However, its weight and size make it more suitable for terrestrial applications rather than airborne systems.

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