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

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

The 750A-742A is a single-row tapered roller bearing with a 3.25″ bore and 5.9045″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 84700 lbf radially and 12200 lbf thrust, making it suitable 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 7.3 lb, it’s built to last with standard radial clearance and ABEC-1 precision. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 750A-742A
  • Brand TFL
  • Interchangeable Timken
  • Size 3.25" x 5.9045" x 1.7502"
  • Bore Dia 3.25"
  • Bore Dia Tolerance +0.001" 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 0.260"
  • 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 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 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 7.3 lb

Features

Performance Features of 750A-742A Bearing

750A-742A Bearing is built 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 extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

750A-742A Bearing’s standard radial clearance allows for smooth operation under different conditions.
Its ABEC-1 rating ensures consistent performance for industrial applications.

Application

Key Fields for 750A-742A Bearing
In industrial settings, 750A-742A Bearing is commonly used in heavy machinery like gearboxes and large conveyor systems, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 750A-742A Bearing Used?
You’ll often find 750A-742A Bearing in automotive applications, particularly in truck wheel hubs and differential systems. Its imperial sizing makes it a straightforward choice for North American vehicle manufacturers.

Built for Heavy-Duty Use: 750A-742A Bearing
750A-742A Bearing excels in construction equipment, such as cranes and excavators, thanks to its robust steel cage and high dynamic load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 750A-742A Bearing
While 750A-742A Bearing is popular in automotive drivetrains, it’s also suitable for aerospace ground support equipment. Its precise tolerances and ABEC-1 rating ensure reliable performance in both fields.

Perfect Fit for Automation: 750A-742A Bearing
In automated production lines, 750A-742A Bearing supports robotic arms and assembly systems with smooth, consistent operation. The tapered rollers manage radial and thrust loads seamlessly.

Q&A

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