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

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

The 744AH-742A is a single-row tapered roller bearing with a 2.875″ bore and 5.9045″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 81300 lbf radially and 11700 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, suitable for various industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for machinery like gearboxes or wheel hubs where combined loads are common.

Weighing 8.4 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance. The standard radial clearance ensures versatility across different applications.

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Product Parameters

  • Part Number 744AH-742A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.875" x 5.9045" x 1.7502"
  • Bore Dia 2.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.9045"
  • 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 742A
  • 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

Why Choose 744AH-742A Bearing for Precision Tasks?

744AH-742A Bearing is crafted with chrome steel rings and rollers, offering robust performance under 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, enhancing durability and reducing friction.
With a standard radial clearance, it provides reliable operation in various conditions.

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

744AH-742A Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction resists wear, ensuring a long service life even in demanding environments.
Its effective center location of -0.47″ enhances stability and precision during operation.
With a temperature range of -30° to 110°C, it performs reliably in diverse conditions.

Built for Durability: 744AH-742A Bearing

744AH-742A Bearing’s tapered roller design distributes loads evenly, reducing stress on individual components.
The chrome steel rollers and rings provide excellent resistance to wear and fatigue.
Its standard radial clearance allows for smooth operation and easy installation.
Designed for combined loads, it ensures consistent performance in various industrial applications.

Application

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

What Makes 744AH-742A Bearing a Preferred Choice?
In automotive applications, 744AH-742A Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 744AH-742A Bearing
For industrial fans and pumps, 744AH-742A Bearing offers stability and long service life. The open design allows for easy lubrication, maintaining smooth operation over time.

Automotive vs Aerospace: Applications of 744AH-742A Bearing
While 744AH-742A Bearing excels in truck axles and heavy vehicles, it’s also suitable for aerospace ground support equipment. Its robust design meets the needs of both high-load and precision applications.

Where Is 744AH-742A Bearing Used?
In agricultural machinery, 744AH-742A Bearing withstands harsh conditions like dust and moisture. The steel cage and chrome steel rollers ensure consistent performance in these challenging environments.

Q&A

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