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TS (Single Row Tapered Roller Bearings) (Imperial) 750-742X

TS (Single Row Tapered Roller Bearings) (Imperial) 750-742X

The 750-742X is a single-row tapered roller bearing with a 3.125″ bore and 5.909″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 84700 lbf radially and 12200 lbf thrust-wise, suitable for demanding applications.

Its open design allows 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, making it a practical choice for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 7.7 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 750-742X
  • Brand TFL
  • Interchangeable Timken
  • Size 3.125" x 5.909" x 1.7502"
  • Bore Dia 3.125"
  • Bore Dia Tolerance +0.001" 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 4.32"
  • 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 750
  • 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 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 7.7 lb

Features

How Is 750-742X Bearing Engineered for Reliability?

750-742X Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 84,700 lbf, making it suitable for heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

750-742X Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, ensuring smooth and consistent operation.

The open design simplifies lubrication, helping to maintain optimal performance over time.
Weighing just 7.7 lb, it balances strength and ease of handling.

Application

Industrial Uses of 750-742X Bearing
750-742X Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 750-742X Bearing fits well in wheel hubs and drivetrains, providing reliable performance under both radial and thrust loads. Its inch sizing makes it compatible with many American-made vehicles.

For industrial conveyor systems, 750-742X Bearing’s open design allows for easy lubrication, extending its service life in high-use environments. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 750-742X Bearing Used?
750-742X Bearing is often found in agricultural machinery, supporting components like gearboxes and PTO shafts. Its robust design handles the demanding conditions of fieldwork with ease.

The bearing also works well in railway applications, where its tapered rollers manage heavy loads and vibrations. The standard radial clearance ensures smooth operation over long distances.

Built for Heavy-Duty Use: 750-742X Bearing
750-742X Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its high dynamic load capacity. The chrome steel rollers resist wear even under constant stress.

In material handling systems, this bearing’s single-row design simplifies installation and maintenance. Its ABEC-1 rating ensures consistent performance without unnecessary precision costs.

Automotive vs Aerospace: Applications of 750-742X Bearing
In automotive settings, 750-742X Bearing is ideal for truck axles, where its combined load capacity handles both weight and movement. The inch measurements align with standard US automotive specs.

For aerospace ground equipment, this bearing supports heavy loads in tow tractors and cargo loaders. Its temperature range suits various operational environments, from cold storage to tarmac heat.

Q&A

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