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

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

The 750W-743 is a single-row tapered roller bearing with a 3.125″ bore and 5.9055″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 71400 lbf radially and 10300 lbf thrust, making it a versatile choice.

Its open design allows for easy lubrication, while the steel cage ensures durability. 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 heavy-duty applications like industrial gearboxes or vehicle axles where combined loads are common.

Weighing 7.6 lb, it’s robust 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 750W-743
  • Brand TFL
  • Interchangeable Timken
  • Size 3.125" x 5.9055" x 1.7502"
  • Bore Dia 3.125"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.32"
  • Cone Backface Backing Diameter 3.78"
  • 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 750W
  • 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 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 7.6 lb

Features

How Does 750W-743 Bearing Handle Combined Loads?

750W-743 Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined radial and thrust loads.
Its dynamic radial load capacity reaches 71,400 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 and ABEC-1 rating, it provides reliable precision in various conditions.

What Makes 750W-743 Bearing Suitable for High-Temperature Applications?

750W-743 Bearing operates efficiently in temperatures ranging from -30° to 110°C, maintaining performance in demanding environments.
The chrome steel construction resists wear and deformation, ensuring long-term reliability.
Its open design allows for easy lubrication, which is essential for high-temperature operation.
The bearing’s robust build and material choice make it ideal for industrial applications.

Engineered for Precision: 750W-743 Bearing

750W-743 Bearing features precise tolerances, with bore and outer diameter tolerances as tight as +0.001″ to 0.
The tapered roller design ensures accurate load distribution, reducing stress on components.
Its effective center location of -0.47″ enhances stability and alignment in assemblies.
This precision engineering makes it a dependable choice for machinery requiring exacting standards.

Steel vs Ceramic Bearings: Strengths of 750W-743 Bearing

750W-743 Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
Compared to ceramic options, it offers a cost-effective solution without compromising on performance.
The steel cage further enhances its load-bearing capacity and alignment.
This makes 750W-743 Bearing a practical choice for applications where reliability and affordability are key.

Application

Industrial Uses of 750W-743 Bearing
750W-743 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 750W-743 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it a preferred choice for American-made vehicles.

For industrial automation, 750W-743 Bearing supports conveyor systems and gearboxes, where its open design allows for easy lubrication. The steel cage adds stability, making it suitable for high-load scenarios.

Where Is 750W-743 Bearing Used?
You’ll often find 750W-743 Bearing in agricultural machinery, like tractors and harvesters, where its robust design handles rough conditions. The standard radial clearance ensures smooth operation even with varying loads.

In manufacturing plants, 750W-743 Bearing is ideal for presses and rolling mills, thanks to its high dynamic radial load capacity. The ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 750W-743 Bearing
750W-743 Bearing excels in forestry equipment, such as log splitters and sawmills, where its tapered rollers manage heavy combined loads. The chrome steel rollers resist wear, extending service life.

For railway applications, 750W-743 Bearing is used in axle boxes, providing reliable performance under constant vibration. Its inch measurements align with North American rail standards.

Automotive vs Aerospace: Applications of 750W-743 Bearing
In automotive systems, 750W-743 Bearing is trusted for drivetrain components, offering a balance of strength and affordability. The open design simplifies maintenance in vehicle assemblies.

For aerospace ground equipment, 750W-743 Bearing supports landing gear test rigs and cargo loaders. Its temperature range (-30° to 110°C) ensures reliability in varying climates.

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