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TS (Single Row Tapered Roller Bearings) (Imperial) 744AH-742

TS (Single Row Tapered Roller Bearings) (Imperial) 744AH-742

The 744AH-742 is a single-row tapered roller bearing with a 2.875″ bore and 5.909″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 81300 lbf radially and 11700 lbf thrust, making it versatile for heavy-duty use.

Its open design allows 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 applications where robust performance is needed.

Weighing 8.5 lb, it’s built to last while meeting RoHS and REACH standards for safety. The standard radial clearance can also be adjusted to C3, C4, or C5 for specific needs.

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Product Parameters

  • Part Number 744AH-742
  • Brand TFL
  • Interchangeable Timken
  • Size 2.875" x 5.909" x 1.7502"
  • Bore Dia 2.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.909"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.8375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.4375"
  • 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 742
  • 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 8.5 lb

Features

Performance Features of 744AH-742 Bearing

744AH-742 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 standard radial clearance, it provides reliable performance across various conditions.

744AH-742 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its tapered roller design handles both radial and thrust loads with ease.

The open seal type allows for easy lubrication, ensuring smooth operation.
Weighing 8.5 lb, it balances durability and practicality in industrial settings.

Application

Industrial Uses of 744AH-742 Bearing
The 744AH-742 Bearing is widely used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough environments.

Where Is 744AH-742 Bearing Used?
You’ll often find the 744AH-742 Bearing in agricultural machinery, supporting axles and gearboxes that face high radial and thrust loads. Its inch sizing makes it a fit for many North American industrial applications.

Built for Heavy-Duty Use: 744AH-742 Bearing
The 744AH-742 Bearing excels in conveyor systems, where its open design allows for easy lubrication and maintenance. Its steel cage adds stability, even under continuous operation.

Automotive vs Aerospace: Applications of 744AH-742 Bearing
In automotive settings, the 744AH-742 Bearing is common in truck wheel hubs, while its precision makes it suitable for aerospace landing gear components. The ABEC-1 rating ensures reliable performance.

Essential Roles of 744AH-742 Bearing
For railway applications, the 744AH-742 Bearing supports axles and bogies, handling both radial and thrust loads. Its standard radial clearance options provide flexibility for different operational needs.

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