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LL789849 Single Cones (Imperial)

LL789849 Single Cones (Imperial)

The LL789849 is a single-row tapered roller cone with a 70.25-inch bore, designed for combined loads. Made from chrome steel, it handles dynamic radial loads up to 1,090,000 lbf and static loads up to 4,260,000 lbf.

Its open design allows easy maintenance, while the steel cage ensures durability. The cone has an effective center location of 8.44 inches, providing stable performance under heavy loads.

This model is interchangeable with Timken bearings, making it a reliable replacement option. Suitable for industrial machinery and heavy equipment where combined loads are common.

It operates in temperatures from -30°C to 110°C and meets RoHS and REACH standards for safe use. The standard radial clearance ensures smooth operation in various applications.

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Product Parameters

  • Part Number LL789849
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series LL789800
  • Bore Dia 70.25"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 4.1875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.5"
  • Cone Frontface Backing Diameter 71.46"
  • Cone Backface Backing Diameter 72.44"
  • Cage Cone Frontface Clearance 0.79"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location 8.44"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 1090000 lbf
  • Static Radial Load 4260000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 282000 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 1890000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 212000 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 490000 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 LL789849 Bearing Engineered for Reliability?

LL789849 Bearing is crafted from chrome steel, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 1,090,000 lbf, ensuring dependable performance in heavy-duty applications.

The steel cage maintains roller alignment, reducing friction and enhancing longevity.
With a temperature range of -30° to 110°C, it performs reliably in varied environments.

LL789849 Bearing’s standard radial clearance options provide flexibility for different operational needs.
Its tapered roller design ensures smooth operation under both radial and thrust loads.

Application

Industrial Uses of LL789849 Bearing
LL789849 Bearing is commonly used in heavy machinery, such as mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is LL789849 Bearing Used?
You’ll often find LL789849 Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch measurements make it a good fit for equipment designed to imperial standards.

Built for Heavy-Duty Use: LL789849 Bearing
LL789849 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage provides reliable performance under high radial loads.

Automotive vs Aerospace: Applications of LL789849 Bearing
In automotive applications, LL789849 Bearing is used in truck wheel hubs, offering stability under heavy loads. For aerospace, it suits ground support equipment where precision and reliability are key.

Practical Applications of LL789849 Bearing
LL789849 Bearing works well in railway applications, particularly in axle boxes where its tapered rollers manage both radial and thrust loads. The standard radial clearance ensures smooth operation over long distances.

Q&A

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