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TS (Single Row Tapered Roller Bearings) (Imperial) 8573-8522

TS (Single Row Tapered Roller Bearings) (Imperial) 8573-8522

The 8573-8522 is a single-row tapered roller bearing with a 9-inch bore and 12.938-inch outer diameter, built from sturdy chrome steel. It handles combined loads up to 126,000 lbf radially and 22,700 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 heavy equipment where robust performance is needed.

Weighing 29.7 lb, it’s designed for stability and long service life. Compliant with RoHS and REACH standards, it meets environmental and safety requirements.

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Product Parameters

  • Part Number 8573-8522
  • Brand TFL
  • Interchangeable Timken
  • Size 9" x 12.938" x 2.0625"
  • Bore Dia 9"
  • 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 10.73"
  • Cone Backface Backing Diameter 10.04"
  • Cup Frontface Backing Diameter 12.40"
  • Cup Backface Backing Diameter 12.05"
  • 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 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 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 29.700 lb

Features

Performance Features of 8573-8522 Bearing

8573-8522 Bearing is constructed with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 126,000 lbf, making it suitable for heavy-duty applications.

The single-row tapered roller design ensures effective load distribution, enhancing durability.
With a standard radial clearance, it provides reliable operation in various industrial settings.

8573-8522 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing friction and extending service life.

This bearing requires lubrication to maintain optimal performance over time.
Its ABEC-1 rating ensures consistent precision for general industrial use.

Application

Industrial Uses of 8573-8522 Bearing
8573-8522 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 demanding environments.

In automotive applications, 8573-8522 Bearing supports large axles and wheel hubs, providing reliable performance under heavy radial and thrust loads. Its inch sizing makes it a preferred choice for American and British vehicle manufacturers.

For industrial gearboxes, 8573-8522 Bearing’s open design allows for easy lubrication, extending service life in high-speed operations. The steel cage adds stability, reducing wear during prolonged use.

Where Is 8573-8522 Bearing Used?
You’ll often find 8573-8522 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles uneven loads. The standard radial clearance ensures smooth operation in varying conditions.

In railway applications, 8573-8522 Bearing supports axle boxes, offering reliable performance under constant vibration. Its ABEC-1 rating provides sufficient precision for most rail transport needs.

Built for Heavy-Duty Use: 8573-8522 Bearing
8573-8522 Bearing excels in construction cranes, where its high static radial load capacity ensures safety. The tapered rollers distribute stress evenly, reducing wear over time.

For oilfield equipment, 8573-8522 Bearing’s temperature range (-30° to 110°C) makes it suitable for extreme conditions. The steel cage prevents deformation under heavy loads.

Automotive vs Aerospace: Applications of 8573-8522 Bearing
In automotive systems, 8573-8522 Bearing handles wheel loads in trucks and buses, while its inch sizing simplifies maintenance. The chrome steel rollers resist pitting and fatigue.

For aerospace ground equipment, 8573-8522 Bearing supports heavy loading platforms, though it’s not rated for in-flight use. Its weight (29.700 lb) is offset by exceptional load capacity.

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