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TS (Single Row Tapered Roller Bearings) (Imperial) EE921124-921875

TS (Single Row Tapered Roller Bearings) (Imperial) EE921124-921875

The EE921124-921875 is a single-row tapered roller bearing with an 11.25″ bore and 18.75″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 339,000 lbf radially and 44,000 lbf thrust, making it suitable for heavy-duty applications.

Its pin-type cage design ensures smooth operation, while the open construction allows for easy lubrication. The bearing performs 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 or large equipment where high radial and thrust loads are common.

Weighing 112 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number EE921124-921875
  • Brand TFL
  • Interchangeable Timken
  • Size 11.25" x 18.75" x 3.2193"
  • Bore Dia 11.25"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 18.75"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 3.172"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 2.25"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 3.2193"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.380"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 13.27"
  • Cone Backface Backing Diameter 12.8"
  • Cup Frontface Backing Diameter 17.44"
  • Cup Backface Backing Diameter 17.40"
  • Cage Cone Frontface Clearance 0.29"
  • Cage Cone Backface Clearance 0.58"
  • Effective Center Location -0.53"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number EE921124
  • Cup Part Number 921875
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 920000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 339000 lbf
  • Static Radial Load 447000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 88000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 44000 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 112.00 lb

Features

How Does EE921124-921875 Bearing Handle Combined Loads?

EE921124-921875 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 339,000 lbf, making it suitable for heavy-duty applications.
The pin-type cage ensures proper roller alignment, enhancing durability and reducing wear.
With a standard radial clearance, it provides reliable operation in various industrial settings.

What Makes EE921124-921875 Bearing Suitable for High-Temperature Applications?

EE921124-921875 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
The chrome steel construction ensures stability and performance even in demanding conditions.
Its open design allows for easy lubrication, maintaining smooth operation over time.
This bearing is ideal for environments where temperature fluctuations are common.

Engineered for Precision: EE921124-921875 Bearing

EE921124-921875 Bearing features precise tolerances, with bore diameter tolerance of +0.001″ to 0.
The tapered roller design provides accurate load distribution, improving efficiency.
Its ABEC-1 rating ensures consistent performance in various applications.
The bearing’s effective center location of -0.53″ enhances stability during operation.

Steel vs Ceramic Bearings: Strengths of EE921124-921875 Bearing

EE921124-921875 Bearing uses chrome steel for both rings and rollers, ensuring high strength and durability.
This material choice provides excellent resistance to wear and fatigue under heavy loads.
The pin-type cage further enhances the bearing’s reliability in industrial applications.
With a static radial load capacity of 447,000 lbf, it outperforms many alternatives.

Application

Industrial Uses of EE921124-921875 Bearing
EE921124-921875 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is EE921124-921875 Bearing Used?
You’ll often find EE921124-921875 Bearing in large industrial gearboxes and power transmission systems, thanks to its high dynamic load capacity. Its pin-type cage design helps maintain roller alignment under heavy stress.

Built for Heavy-Duty Use: EE921124-921875 Bearing
EE921124-921875 Bearing excels in applications like agricultural machinery and railroad axles, where reliability is key. The standard radial clearance options make it adaptable to various operational needs.

Automotive vs Aerospace: Applications of EE921124-921875 Bearing
In automotive settings, EE921124-921875 Bearing supports large truck axles, while in aerospace, it’s used in ground support equipment. Its inch sizing ensures compatibility with imperial system machinery.

Essential Roles of EE921124-921875 Bearing
EE921124-921875 Bearing plays a vital role in wind turbine yaw systems, where its high static load rating provides stability. The open seal design allows for easy lubrication in remote installations.

Q&A

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