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

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

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

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for various industrial conditions.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for applications like heavy machinery or automotive systems where combined loads are common.

Weighing 8.4 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 744AH-742X
  • 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 742X
  • 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-742X Bearing

744AH-742X Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 81,300 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

How Is 744AH-742X Bearing Engineered for Reliability?

744AH-742X Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its effective centre location of -0.47″ enhances stability during use.
This bearing meets ABEC-1 standards, balancing precision and cost-effectiveness.

Built for Durability: 744AH-742X Bearing

744AH-742X Bearing’s chrome steel components resist wear, maintaining performance under heavy loads.
The tapered roller design distributes stress evenly, improving fatigue life.
With a static radial load capacity of 88,600 lbf, it handles demanding industrial applications.
Its open design simplifies lubrication, helping maintain optimal performance over time.

Application

Industrial Uses of 744AH-742X Bearing
744AH-742X Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 744AH-742X Bearing Used?
In automotive applications, 744AH-742X Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under heavy radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 744AH-742X Bearing
744AH-742X Bearing excels in industrial gearboxes, where its single-row design simplifies maintenance and replacement. The steel cage adds strength, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 744AH-742X Bearing
While 744AH-742X Bearing is popular in truck axles, it also finds use in aircraft landing gear components, thanks to its robust load capacity. The standard radial clearance ensures smooth operation in both fields.

Key Fields for 744AH-742X Bearing
744AH-742X Bearing is a go-to choice for agricultural machinery, particularly in tractor transmissions and harvesters. Its ABEC-1 rating balances precision and cost-effectiveness for farm equipment needs.

Q&A

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