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EE780688 Single Cones (Imperial)
EE780688 Single Cones (Imperial)

EE780688 Single Cones (Imperial)

The EE780688 is a single-row tapered roller bearing cone with a 6.875-inch bore, designed for combined loads. Made from sturdy chrome steel, it handles dynamic radial loads up to 197,000 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy maintenance, while the steel cage ensures durability. The cone width is 2.375 inches, with precise tolerances for a secure fit.

This model is interchangeable with Timken bearings, making it a reliable replacement option. Ideal for heavy-duty applications like industrial machinery or vehicle axles where combined loads are common.

Compliant with RoHS and REACH standards, it offers a balance of strength and performance. The standard radial clearance can also be ordered in C3, C4, or C5 variations for specific needs.

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Product Parameters

  • Part Number EE780688
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number EE780688-781400
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 780000
  • Bore Dia 6.875"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 2.375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.19"
  • Cone Frontface Backing Diameter 8.11"
  • Cone Backface Backing Diameter 8.07"
  • Cage Cone Frontface Clearance 0.26"
  • Cage Cone Backface Clearance 0.27"
  • Effective Center Location -0.01"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 197000 lbf
  • Static Radial Load 243000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 51100 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 343000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 34900 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 88900 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Is EE780688 Bearing Engineered for Reliability?

EE780688 Bearing features chrome steel rings and a steel cage, providing robust resistance to combined loads.
Its dynamic radial load capacity reaches 197,000 lbf, ensuring dependable performance in tough conditions.

The tapered roller design of EE780688 Bearing enhances load distribution, reducing wear over time.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

EE780688 Bearing’s standard radial clearance allows for smooth operation and easy installation.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

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

Where Is EE780688 Bearing Used?
You’ll often find EE780688 Bearing in automotive applications such as truck wheel hubs, where its high dynamic radial load capacity keeps things running smoothly. Its inch sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: EE780688 Bearing
EE780688 Bearing excels in industrial gearboxes, thanks to its robust steel cage and tapered rollers. The standard radial clearance allows for reliable performance under varying operational conditions.

Automotive vs Industrial: Applications of EE780688 Bearing
In automotive settings, EE780688 Bearing supports heavy axles, while in industrial contexts, it’s ideal for conveyor systems. Its ABEC-1 rating ensures consistent performance across both sectors.

Perfect Fit for Automation: EE780688 Bearing
EE780688 Bearing works well in automated production lines, where its precise tolerances and open design simplify maintenance. The steel cage adds longevity, even in high-speed scenarios.

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