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TS (Single Row Tapered Roller Bearings) (Imperial) EE522102-523087

TS (Single Row Tapered Roller Bearings) (Imperial) EE522102-523087

The EE522102-523087 is a single-row tapered roller bearing with a large 21″ bore and 30.875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 487,000 lbf radially and 103,000 lbf in thrust, making it suitable for heavy-duty applications.

Its pin-type cage design ensures smooth operation, while the open seal allows for easy lubrication. The bearing operates well 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, construction equipment, or any setting requiring robust load support.

Weighing 276.80 lb, it’s a substantial unit designed for long-lasting performance. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number EE522102-523087
  • Brand TFL
  • Interchangeable Timken
  • Size 21" x 30.875" x 3.5"
  • Bore Dia 21"
  • Bore Dia Tolerance +0.002" to 0
  • Outer Dia 30.875"
  • Outer Dia Tolerance +0.003" to 0
  • Cone Width 3.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 2.125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 3.5"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 26.93"
  • Cone Backface Backing Diameter 22.68"
  • Cup Frontface Backing Diameter 29.01"
  • Cup Backface Backing Diameter 28.82"
  • Cage Cone Frontface Clearance 0.47"
  • Cage Cone Backface Clearance 0.44"
  • Effective Center Location 2.07"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number EE522102
  • Cup Part Number 523087
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 520000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 487000 lbf
  • Static Radial Load 873000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 126000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 103000 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 276.80 lb

Features

Performance Features of EE522102-523087 Bearing

EE522102-523087 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 487,000 lbf, making it suitable for heavy-duty applications.
The pin-type cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

How Is EE522102-523087 Bearing Engineered for Reliability?

EE522102-523087 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent resistance to wear, ensuring long service life.
Its standard radial clearance allows for smooth operation, even under high loads.
The bearing’s effective centre location of 2.07″ ensures stable performance in demanding environments.

Built for Durability: EE522102-523087 Bearing

EE522102-523087 Bearing’s chrome steel rollers and rings deliver high static radial load capacity of 873,000 lbf.
The pin-type cage design minimises roller misalignment, reducing wear and maintenance needs.
With an ABEC-1 rating, it balances precision and durability for industrial applications.
Its wide temperature range makes it versatile for different operational conditions.

Steel vs Ceramic Bearings: Strengths of EE522102-523087 Bearing

EE522102-523087 Bearing uses chrome steel for both rings and rollers, providing superior strength and durability.
The tapered roller design efficiently handles combined loads, with dynamic thrust rating of 103,000 lbf.
Its standard radial clearance ensures smooth operation, while the pin-type cage enhances reliability.
The bearing’s robust construction makes it a dependable choice for heavy industrial use.

Application

Industrial Uses of EE522102-523087 Bearing
EE522102-523087 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 even in demanding environments.

In automotive applications, EE522102-523087 Bearing supports large axles and wheel hubs, providing stability under heavy loads. Its imperial sizing makes it a straightforward replacement for Timken bearings in North American vehicles.

For industrial conveyor systems, EE522102-523087 Bearing’s high dynamic radial load capacity keeps operations smooth. The pin-type cage design reduces friction, extending service life in continuous-use scenarios.

Where Is EE522102-523087 Bearing Used?
EE522102-523087 Bearing fits well in agricultural machinery, such as tractors and harvesters, where its robust design withstands uneven loads. The open seal type allows for easy lubrication in dusty conditions.

In railway applications, EE522102-523087 Bearing ensures reliable performance in bogies and freight car axles. Its standard radial clearance accommodates thermal expansion during long hauls.

Built for Heavy-Duty Use: EE522102-523087 Bearing
EE522102-523087 Bearing excels in steel mills, where high temperatures and heavy loads are common. The ABEC-1 rating balances precision with cost-effectiveness for industrial use.

For wind turbine gearboxes, EE522102-523087 Bearing’s tapered rollers distribute loads evenly, reducing wear. The chrome steel rollers maintain performance over long periods with minimal maintenance.

Automotive vs Aerospace: Applications of EE522102-523087 Bearing
In automotive sectors, EE522102-523087 Bearing handles wheel and drivetrain loads with ease. Its imperial measurements simplify integration into existing designs.

For aerospace ground equipment, EE522102-523087 Bearing supports heavy loading platforms. The standard radial clearance ensures smooth operation under variable temperatures.

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