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TS (Single Row Tapered Roller Bearings) (Imperial) 744AH-743

TS (Single Row Tapered Roller Bearings) (Imperial) 744AH-743

The 744AH-743 is a single-row tapered roller bearing with a 2.875″ bore and 5.9055″ outer diameter, crafted from sturdy chrome steel. It supports combined loads, handling up to 81300 lbf radially and 11700 lbf thrust, making it versatile for heavy-duty use.

Its open design simplifies lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for varied environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive applications where robust performance is needed.

Weighing 8.4 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 744AH-743
  • Brand TFL
  • Interchangeable Timken
  • Size 2.875" x 5.9055" x 1.7502"
  • Bore Dia 2.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.9055"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.8375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.378"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.7502"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.09"
  • Cone Backface Backing Diameter 3.58"
  • Cup Frontface Backing Diameter 5.63"
  • Cup Backface Backing Diameter 5.28"
  • Cage Cone Frontface Clearance 0.14"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.47"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 744AH
  • Cup Part Number 743
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 745
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 81300 lbf
  • Static Radial Load 88600 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 21100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 11700 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 8.4 lb

Features

Performance Features of 744AH-743 Bearing

744AH-743 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 81,300 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 744AH-743 Bearing Engineered for Reliability?

744AH-743 Bearing features a single-row tapered roller design, providing stability under high radial and thrust loads.
The chrome steel construction enhances durability, while the standard radial clearance allows for smooth operation.
Its dynamic thrust rating of 11,700 lbf ensures consistent performance in demanding environments.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Built for Durability: 744AH-743 Bearing

744AH-743 Bearing’s chrome steel components resist wear, ensuring long service life even under heavy loads.
The open design allows for easy lubrication, maintaining optimal performance over time.
With a static radial load capacity of 88,600 lbf, it handles intense operational demands.
Its ABEC-1 rating guarantees reliable precision in various industrial applications.

Application

Industrial Uses of 744AH-743 Bearing
744AH-743 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 744AH-743 Bearing fits well in truck wheel hubs, providing reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial gearboxes, 744AH-743 Bearing’s open design allows for easy lubrication, extending service life. The steel cage adds strength, making it suitable for high-load scenarios.

Where Is 744AH-743 Bearing Used?
You’ll often find 744AH-743 Bearing in agricultural machinery, where its robust design handles rough conditions. The standard radial clearance ensures smooth operation in varying temperatures.

In mining equipment, 744AH-743 Bearing’s high dynamic load capacity makes it a dependable choice. Its compatibility with Timken models simplifies replacements and maintenance.

Built for Heavy-Duty Use: 744AH-743 Bearing
744AH-743 Bearing excels in forestry equipment, where its tapered rollers manage uneven loads. The ABEC-1 rating balances precision and cost-effectiveness for industrial use.

For conveyor systems, 744AH-743 Bearing’s inch dimensions and open design simplify installation. Its chrome steel rollers resist wear, reducing downtime in continuous operations.

Automotive vs Aerospace: Applications of 744AH-743 Bearing
In automotive settings, 744AH-743 Bearing supports axle assemblies, offering stability under heavy loads. The inch sizing aligns with many truck and bus specifications.

For aerospace ground equipment, 744AH-743 Bearing’s temperature range suits outdoor use. Its steel cage and chrome steel rollers provide reliability in varied conditions.

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