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TS (Single Row Tapered Roller Bearings) (Imperial) 750A-743

TS (Single Row Tapered Roller Bearings) (Imperial) 750A-743

The 750A-743 is a single-row tapered roller bearing with a 3.25″ bore and 5.9055″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 84700 lbf radially and 12200 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 use in industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 7.2 lb, it’s a solid yet manageable size for its capacity. Compliant with RoHS and REACH standards, it’s safe for various industrial environments.

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Product Parameters

  • Part Number 750A-743
  • Brand TFL
  • Interchangeable Timken
  • Size 3.25" x 5.9055" x 1.7502"
  • Bore Dia 3.25"
  • Bore Dia Tolerance +0.001" 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 0.260"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.43"
  • Cone Backface Backing Diameter 4.17"
  • 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 750A
  • 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 84700 lbf
  • Static Radial Load 93800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 21900 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12200 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 7.2 lb

Features

Performance Features of 750A-743 Bearing

750A-743 Bearing is crafted with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 84,700 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a standard radial clearance, it provides reliable performance in various operating conditions.

750A-743 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its tapered roller design ensures smooth operation under both radial and thrust loads.

Application

Industrial Uses of 750A-743 Bearing
750A-743 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 in tough working conditions.

Where Is 750A-743 Bearing Used?
You’ll often find 750A-743 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for American-made vehicles.

Built for Heavy-Duty Use: 750A-743 Bearing
750A-743 Bearing excels in industrial gearboxes, providing smooth operation under high radial and thrust loads. The steel cage adds extra strength, making it suitable for long-term use.

Automotive vs Aerospace: Applications of 750A-743 Bearing
In automotive systems, 750A-743 Bearing supports heavy loads in axles and transmissions. For aerospace, its reliability makes it useful in landing gear mechanisms.

Key Fields for 750A-743 Bearing
750A-743 Bearing is ideal for agricultural machinery, where its robust design withstands dust and debris. The open seal type allows for easy lubrication in field conditions.

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