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TS (Single Row Tapered Roller Bearings) (Imperial) EE121140-121265

TS (Single Row Tapered Roller Bearings) (Imperial) EE121140-121265

The EE121140-121265 is a single-row tapered roller bearing with a 14″ bore and 26.5″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 830,000 lbf and is designed for heavy-duty applications.

Its pin-type cage ensures smooth operation, while the open design allows for easy lubrication. The bearing works in temperatures from -30°C to 110°C, making it versatile for various environments.

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 518.50 lb, it’s a robust choice for demanding settings. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number EE121140-121265
  • Brand TFL
  • Interchangeable Timken
  • Size 14" x 26.5" x 6"
  • Bore Dia 14"
  • Bore Dia Tolerance +0.002" to 0
  • Outer Dia 26.5"
  • Outer Dia Tolerance +0.003" to 0
  • Cone Width 6"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 4.5"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 6"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.630"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 17.01"
  • Cone Backface Backing Diameter 16.73"
  • Cup Frontface Backing Diameter 24.15"
  • Cup Backface Backing Diameter 23.74"
  • Cage Cone Frontface Clearance 0.34"
  • Cage Cone Backface Clearance 0.81"
  • Effective Center Location -0.96"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number EE121140
  • Cup Part Number 121265
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 121000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 830000 lbf
  • Static Radial Load 1380000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 215000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 138000 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 518.50 lb

Features

Performance Features of EE121140-121265 Bearing

EE121140-121265 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 830,000 lbf, making it suitable for heavy-duty applications.

The pin-type cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

EE121140-121265 Bearing’s standard radial clearance options provide flexibility for different installation needs.
Its ABEC-1 rating ensures consistent precision and smooth operation.

The tapered roller design efficiently handles both radial and thrust loads.
Weighing 518.50 lb, it is designed for stability and long service life.

Application

Industrial Uses of EE121140-121265 Bearing
EE121140-121265 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The large imperial sizing makes it ideal for applications requiring robust support.

In automotive settings, EE121140-121265 Bearing fits well in truck axles and large gearboxes, thanks to its high dynamic radial load capacity. The chrome steel construction ensures longevity even under demanding conditions.

For industrial conveyor systems, EE121140-121265 Bearing’s open design simplifies lubrication and maintenance. Its pin-type cage provides stability, making it reliable for continuous operation.

Where Is EE121140-121265 Bearing Used?
EE121140-121265 Bearing finds its place in agricultural machinery, such as tractors and harvesters, where durability is key. The standard radial clearance offers flexibility for various load conditions.

In wind turbine assemblies, EE121140-121265 Bearing supports the main shaft, handling both radial and thrust loads. Its ABEC-1 rating ensures consistent performance in renewable energy applications.

Built for Heavy-Duty Use: EE121140-121265 Bearing
EE121140-121265 Bearing is a go-to choice for railway applications, particularly in freight car axles. The tapered rollers distribute loads evenly, reducing wear over time.

In steel mills, EE121140-121265 Bearing withstands high temperatures and heavy loads. The chrome steel rollers and rings provide excellent resistance to deformation.

Automotive vs Aerospace: Applications of EE121140-121265 Bearing
In automotive sectors, EE121140-121265 Bearing is used in heavy-duty trucks and buses, where its load capacity shines. The inch sizing aligns with North American manufacturing standards.

For aerospace ground equipment, EE121140-121265 Bearing supports landing gear testing rigs. Its reliability and ease of maintenance make it a practical choice for such critical applications.

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