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

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

The 744A-742V is a single-row tapered roller bearing with a 2.75″ bore and 5.909″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 71400 lbf radially and 10300 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, gearboxes, or automotive systems where combined loads are common.

Weighing 8.6 lb, it’s designed for long-lasting performance and complies with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 744A-742V
  • Brand TFL
  • Interchangeable Timken
  • Size 2.75" x 5.909" x 1.7502"
  • Bore Dia 2.75"
  • 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 0.2"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.94"
  • Cone Backface Backing Diameter 3.58"
  • Cup Frontface Backing Diameter 5.63"
  • Cup Backface Backing Diameter 5.28"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.05"
  • Effective Center Location -0.47"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 744A
  • Cup Part Number 742V
  • 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 71400 lbf
  • Static Radial Load 93800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 18500 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10300 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 8.6 lb

Features

Why Choose 744A-742V Bearing for Combined Loads?

744A-742V Bearing is designed with chrome steel rings and rollers, providing strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 71,400 lbf, ensuring reliable performance in demanding applications.

The steel cage keeps the tapered rollers aligned, reducing wear and extending service life.
With a maximum temperature range of -30° to 110°C, it performs well in various operating conditions.

744A-742V Bearing’s standard radial clearance allows for smooth operation under combined loads.
Its single-row tapered roller design ensures efficient load distribution and long-lasting durability.

The open seal type simplifies maintenance, while the chrome steel construction resists wear.
This bearing is interchangeable with Timken models, offering flexibility in replacement options.

Application

Essential Roles of 744A-742V Bearing
744A-742V Bearing is commonly used in heavy-duty industrial equipment like conveyor systems and gearboxes, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 744A-742V Bearing supports axle assemblies and drivetrains, providing reliable performance under high radial and thrust loads. Its inch sizing makes it a practical choice for North American vehicle models.

For construction machinery, 744A-742V Bearing’s open design allows for easy lubrication, extending service life in rugged conditions. The steel cage adds stability during high-load operations.

Where Is 744A-742V Bearing Used?
744A-742V Bearing finds its place in agricultural machinery, particularly in tractors and harvesters, where its robust design withstands variable loads. The standard radial clearance ensures smooth operation.

In mining equipment, 744A-742V Bearing’s ability to handle dynamic radial loads makes it suitable for crushers and screens. The ABEC-1 rating balances precision and cost-effectiveness.

Built for Heavy-Duty Use: 744A-742V Bearing
744A-742V Bearing excels in forestry machinery, such as log splitters, where its tapered rollers manage intense combined loads. The chrome steel rollers resist wear over time.

For material handling systems, 744A-742V Bearing’s static radial load capacity ensures stability in cranes and hoists. Its inch measurements simplify replacements in existing setups.

Automotive vs Aerospace: Applications of 744A-742V Bearing
In automotive settings, 744A-742V Bearing supports wheel hubs and transmissions, offering reliable performance. The steel cage enhances durability under frequent stress.

For aerospace ground equipment, 744A-742V Bearing’s temperature range suits auxiliary systems like cargo loaders. Its compliance with RoHS standards adds environmental benefits.

Q&A

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