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TS (Single Row Tapered Roller Bearings) (Imperial) 783A-772

TS (Single Row Tapered Roller Bearings) (Imperial) 783A-772

The 783A-772 is a single-row tapered roller bearing with a 3.936″ bore and 7.125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 68500 lbf radially and 11700 lbf thrust, making it versatile for heavy-duty use.

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 applications where robust performance is needed.

Weighing 11.5 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 783A-772
  • Brand TFL
  • Interchangeable Timken
  • Size 3.936" x 7.125" x 1.875"
  • Bore Dia 3.936"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.5"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.12"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.06"
  • Cone Backface Backing Diameter 4.57"
  • Cup Frontface Backing Diameter 6.65"
  • Cup Backface Backing Diameter 6.34"
  • Cage Cone Frontface Clearance 0.03"
  • Cage Cone Backface Clearance 0.09"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 783A
  • Cup Part Number 772
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 775
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 68500 lbf
  • Static Radial Load 101000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 17800 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 11700 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 11.5 lb

Features

How Is 783A-772 Bearing Engineered for Reliability?

783A-772 Bearing features chrome steel rings and rollers, designed to handle combined loads with ease.
Its dynamic radial load capacity reaches 68,500 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.

What Makes 783A-772 Bearing Suitable for High-Temperature Applications?

783A-772 Bearing is built with chrome steel components, ensuring durability even in high-temperature conditions.
It operates efficiently within a range of -30° to 110°C, maintaining performance under thermal stress.
The open design allows for effective lubrication, further enhancing its heat resistance.
This makes it a reliable choice for industrial applications where temperature fluctuations are common.

Designed for Durability: 783A-772 Bearing

783A-772 Bearing’s single-row tapered roller design provides excellent load distribution and stability.
Its chrome steel construction offers high resistance to wear, ensuring long service life.
The standard radial clearance options allow for flexibility in different operational conditions.
With a static radial load capacity of 101,000 lbf, it excels in demanding environments.

Application

Industrial Uses of 783A-772 Bearing
783A-772 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 783A-772 Bearing Used?
You’ll often find 783A-772 Bearing in automotive applications like truck wheel hubs, where its high load capacity and precision are essential. Its inch sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: 783A-772 Bearing
783A-772 Bearing excels in industrial gearboxes, providing reliable performance under both radial and thrust loads. The steel cage adds strength, making it suitable for continuous operation.

Automotive vs Aerospace: Applications of 783A-772 Bearing
In automotive systems, 783A-772 Bearing supports heavy loads in axles and transmissions. While not typically used in aerospace, its robustness makes it ideal for ground-based heavy equipment.

Practical Applications of 783A-772 Bearing
783A-772 Bearing is a solid choice for agricultural machinery, like tractors, where its tapered rollers manage uneven loads smoothly. The standard radial clearance ensures easy installation and maintenance.

Q&A

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