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TS (Single Row Tapered Roller Bearings) (Imperial) LL758744-LL758715

TS (Single Row Tapered Roller Bearings) (Imperial) LL758744-LL758715

The LL758744-LL758715 is a single-row tapered roller bearing with a 12.75″ bore and 15″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 54800 lbf radially and 10700 lbf thrust, making it a robust choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly 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 automotive systems where combined loads are common.

Weighing 11.7 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance. The standard radial clearance can be adjusted to C3, C4, or C5 as needed.

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Product Parameters

  • Part Number LL758744-LL758715
  • Brand TFL
  • Interchangeable Timken
  • Size 12.75" x 15" x 1.125"
  • Bore Dia 12.75"
  • Bore Dia Tolerance +0.002" to 0
  • Outer Dia 15"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 1.125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.8125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.125"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 14.25"
  • Cone Backface Backing Diameter 13.35"
  • Cup Frontface Backing Diameter 14.71"
  • Cup Backface Backing Diameter 14.37"
  • Cage Cone Frontface Clearance 0.14"
  • Cage Cone Backface Clearance 0.08"
  • Effective Center Location 1.38"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LL758744
  • Cup Part Number LL758715
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LL758700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 54800 lbf
  • Static Radial Load 151000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 14200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10700 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 11.7 lb

Features

Performance Features of LL758744-LL758715 Bearing

LL758744-LL758715 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 54,800 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

How Is LL758744-LL758715 Bearing Engineered for Reliability?

LL758744-LL758715 Bearing features precise cone and cup dimensions, ensuring smooth operation under combined loads.
The standard radial clearance allows for flexibility in different applications.
Its ABEC-1 rating guarantees consistent performance for industrial use.
The bearing’s design minimizes maintenance needs while handling high dynamic thrust ratings.

Built for Durability: LL758744-LL758715 Bearing

LL758744-LL758715 Bearing’s chrome steel construction provides excellent wear resistance in demanding environments.
The tapered roller design distributes loads evenly, enhancing longevity.
With a static radial load capacity of 151,000 lbf, it suits heavy machinery applications.
Its open seal type allows for easy lubrication and maintenance.

Application

Industrial Uses of LL758744-LL758715 Bearing
LL758744-LL758715 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, LL758744-LL758715 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high stress. Its inch sizing makes it compatible with many American-made vehicles.

For industrial gearboxes, LL758744-LL758715 Bearing’s open design allows easy lubrication, extending service life in continuous operation. The standard radial clearance offers flexibility for various load requirements.

Where Is LL758744-LL758715 Bearing Used?
You’ll often find LL758744-LL758715 Bearing in agricultural machinery, particularly in tractor transmissions and harvesters. Its robust steel cage withstands the vibrations and shocks common in farm work.

The bearing also works well in railway applications, supporting axle loads in freight cars. Its ABEC-1 rating ensures consistent performance without needing ultra-high precision.

Built for Heavy-Duty Use: LL758744-LL758715 Bearing
LL758744-LL758715 Bearing excels in steel mills, where extreme loads and temperatures are common. The tapered rollers distribute stress evenly, reducing wear over time.

In wind turbine gearboxes, this bearing’s dynamic load capacity helps manage the variable forces from rotor blades. The standard lubrication requirement simplifies maintenance in remote locations.

Automotive vs Aerospace: Applications of LL758744-LL758715 Bearing
While LL758744-LL758715 Bearing is popular in truck axles, it’s also suitable for some ground support equipment in aviation. The inch measurements align with many US-manufactured components.

In industrial presses, this bearing handles the intense pressure of metal forming. Its temperature range covers most workshop environments without special cooling needs.

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