TS (Single Row Tapered Roller Bearings) (Imperial) 783A-773AA

The 783A-773AA is a single-row tapered roller bearing with a 3.936″ bore and 7.0856″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 68500 lbf radially and 11700 lbf in thrust, making it a sturdy choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance under stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

Interchangeable with Timken models, it’s a practical option for replacements in industrial machinery or automotive systems. The standard radial clearance and ABEC-1 rating offer consistent performance.

Weighing 11.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for various industrial uses. Ideal for gearboxes or axle systems where combined loads are common.

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Description

Features

Application

Q&A

Product Parameters

Part Number 783A-773AA
Brand TFL
Interchangeable Timken
Size 3.936" x 7.0856" x 1.875"
Bore Dia 3.936"
Bore Dia Tolerance +0.001" to 0
Outer Dia 7.0856"
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 0.12"
Cone Frontface Backing Diameter 5.06"
Cone Backface Backing Diameter 4.57"
Cup Frontface Backing Diameter 6.65"
Cup Backface Backing Diameter 6.3"
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 773AA
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 11.3 lb

Features

Performance Features of 783A-773AA Bearing

783A-773AA Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 68,500 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.

How Is 783A-773AA Bearing Engineered for Reliability?

783A-773AA Bearing features precise cone and cup dimensions, ensuring smooth operation under combined loads.
The chrome steel construction enhances durability, while the standard radial clearance allows for versatile use.
Its dynamic thrust rating of 11,700 lbf ensures consistent performance in demanding conditions.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 783A-773AA Bearing

783A-773AA Bearing’s single-row tapered roller design efficiently handles both radial and thrust loads.
The chrome steel rollers and rings provide excellent wear resistance, even under high stress.
With a static radial load capacity of 101,000 lbf, it is suitable for heavy industrial applications.
The open seal type allows for easy lubrication and maintenance.

Application

Industrial Uses of 783A-773AA Bearing
783A-773AA Bearing is commonly used in heavy machinery like construction equipment and mining gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is 783A-773AA Bearing Used?
You’ll often find 783A-773AA Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch measurements make it a reliable choice for vehicles requiring imperial-sized components.

Built for Heavy-Duty Use: 783A-773AA Bearing
783A-773AA Bearing excels in industrial settings like conveyor systems and gearboxes, thanks to its high dynamic radial load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 783A-773AA Bearing
In automotive systems, 783A-773AA Bearing supports wheel assemblies, while in aerospace, it’s used in landing gear mechanisms. Its steel cage provides stability under varying load conditions.

Perfect Fit for Automation: 783A-773AA Bearing
783A-773AA Bearing is ideal for robotic arms and automated machinery, where its tapered rollers ensure smooth movement. The standard radial clearance offers consistent performance in repetitive tasks.