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

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

The 783-772A is a single-row tapered roller bearing with a 3.937″ bore and 6.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 77800 lbf radially and 13300 lbf thrust, making it versatile for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for various industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 10.1 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 783-772A
  • Brand TFL
  • Interchangeable Timken
  • Size 3.937" x 6.875" x 1.8751"
  • Bore Dia 3.937"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.89"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.5"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.8751"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.06"
  • Cone Backface Backing Diameter 4.65"
  • Cup Frontface Backing Diameter 6.61"
  • Cup Backface Backing Diameter 6.22"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.13"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 783
  • Cup Part Number 772A
  • 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 77800 lbf
  • Static Radial Load 111000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 20200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 13300 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 10.1 lb

Features

Performance Features of 783-772A Bearing

783-772A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 77,800 lbf, ensuring reliable performance in heavy-duty applications.

The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

783-772A Bearing requires lubrication, but its design ensures smooth operation under demanding conditions.
The standard radial clearance option provides flexibility for different installation needs.

Application

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

Where Is 783-772A Bearing Used?
You’ll often find 783-772A Bearing in agricultural machinery, such as tractors and harvesters, where its robust design supports high loads and rough terrain. The inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 783-772A Bearing
783-772A Bearing excels in industrial gearboxes, providing reliable performance under continuous operation. Its open design allows for easy lubrication, extending service life in high-temperature conditions.

Automotive vs Aerospace: Applications of 783-772A Bearing
In automotive applications, 783-772A Bearing is used in wheel hubs and differentials, offering stability under varying loads. For aerospace, its precision makes it suitable for auxiliary systems requiring consistent performance.

Perfect Fit for Automation: 783-772A Bearing
783-772A Bearing works well in automated conveyor systems, where its tapered rollers ensure smooth movement of heavy loads. The steel cage adds extra strength for long-term reliability in repetitive tasks.

Q&A

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