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TS (Single Row Tapered Roller Bearings) (Imperial) EE780688-781400

TS (Single Row Tapered Roller Bearings) (Imperial) EE780688-781400

The EE780688-781400 is a single-row tapered roller bearing with a 6.875″ bore and 14″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 197,000 lbf radially and 34,900 lbf 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 works in temperatures from -30°C to 110°C and meets ABEC-1 standards for precision.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, gearboxes, or construction equipment where high radial and thrust loads are common.

Weighing 57.20 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for various industrial uses.

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Product Parameters

  • Part Number EE780688-781400
  • Brand TFL
  • Interchangeable Timken
  • Size 6.875" x 14" x 2.4375"
  • Bore Dia 6.875"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 14"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 2.375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.4375"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.190"
  • Cup Backface ToClear Radius 0.190"
  • Cone Frontface Backing Diameter 9.06"
  • Cone Backface Backing Diameter 8.07"
  • Cup Frontface Backing Diameter 12.68"
  • Cup Backface Backing Diameter 12.60"
  • Cage Cone Frontface Clearance 0.26"
  • Cage Cone Backface Clearance 0.27"
  • Effective Center Location -0.01"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number EE780688
  • Cup Part Number 781400
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 780000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 197000 lbf
  • Static Radial Load 243000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 51100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 34900 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 57.20 lb

Features

How Is EE780688-781400 Bearing Engineered for Reliability?

EE780688-781400 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 197,000 lbf, making it suitable for heavy-duty industrial 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 varied operating conditions.

EE780688-781400 Bearing’s standard radial clearance options provide flexibility for different installation needs.
Its ABEC-1 rating ensures consistent precision for general industrial use.

Application

Industrial Uses of EE780688-781400 Bearing
EE780688-781400 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is EE780688-781400 Bearing Used?
In automotive applications, EE780688-781400 Bearing supports large axles and wheel hubs, providing reliable performance under heavy radial and thrust loads. Its inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: EE780688-781400 Bearing
EE780688-781400 Bearing excels in industrial gearboxes, where its pin-type cage and open design allow for easy lubrication and maintenance. The standard radial clearance offers flexibility for various operational conditions.

Automotive vs Aerospace: Applications of EE780688-781400 Bearing
While EE780688-781400 Bearing is popular in truck and bus axles, its precision also suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance in both high and low-speed scenarios.

Essential Roles of EE780688-781400 Bearing
EE780688-781400 Bearing is a go-to choice for agricultural machinery, where its robust design withstands dirt and moisture. The tapered rollers distribute loads evenly, extending the bearing’s service life.

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