+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 780-773

TS (Single Row Tapered Roller Bearings) (Imperial) 780-773

The 780-773 is a single-row tapered roller bearing with a 4-inch bore and 7.0866-inch outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 77800 lbf radial and 13300 lbf thrust, suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under stress. 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. It’s ideal for use in industrial gearboxes or heavy machinery where robust performance is needed.

Weighing 11 lb, it’s built to last with standard radial clearance options. Compliant with RoHS and REACH standards for safe and reliable use.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 780-773
  • Brand TFL
  • Interchangeable Timken
  • Size 4" x 7.0866" x 1.8898"
  • Bore Dia 4"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.0866"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.89"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.5748"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.8898"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.12"
  • Cone Frontface Backing Diameter 5.24"
  • Cone Backface Backing Diameter 4.69"
  • Cup Frontface Backing Diameter 6.65"
  • Cup Backface Backing Diameter 6.3"
  • 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 780
  • Cup Part Number 773
  • 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 11 lb

Features

Performance Features of 780-773 Bearing

780-773 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 demanding conditions.
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 780-773 Bearing Engineered for Reliability?

780-773 Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 13,300 lbf makes it suitable for heavy-duty applications.
The open seal type allows for easy lubrication, maintaining performance over time.

Built for Durability: 780-773 Bearing

780-773 Bearing’s chrome steel components resist wear, even under high-stress conditions.
The tapered roller design distributes loads evenly, enhancing stability and reducing fatigue.
With a static radial load capacity of 111,000 lbf, it excels in robust applications.
Its ABEC-1 rating ensures consistent precision and reliability.

Steel vs Ceramic Bearings: Strengths of 780-773 Bearing

780-773 Bearing uses chrome steel for both rollers and rings, providing excellent strength and durability.
This material choice ensures reliable performance in high-load and high-temperature environments.
The steel cage design maintains proper roller spacing, reducing friction and wear.
Its compatibility with Timken bearings makes it a versatile choice for various applications.

Application

Industrial Uses of 780-773 Bearing
The 780-773 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 780-773 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyors, 780-773 Bearing’s open design allows for easy lubrication, extending its service life in continuous operation. The steel cage adds stability, reducing wear during high-speed rotations.

Where Is 780-773 Bearing Used?
You’ll often find 780-773 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles uneven loads. The ABEC-1 rating ensures consistent performance without unnecessary precision costs.

In material handling systems, 780-773 Bearing supports heavy loads in forklifts and cranes. Its standard radial clearance balances smooth operation with load capacity, making it a versatile choice.

Built for Heavy-Duty Use: 780-773 Bearing
The 780-773 Bearing excels in forestry equipment like log splitters, where its tapered rollers manage intense shock loads. The chrome steel rollers resist deformation, maintaining accuracy over time.

For railway applications, 780-773 Bearing’s temperature range (-30° to 110°C) ensures reliability in varying climates. Its steel cage prevents roller misalignment, even during prolonged use.

Automotive vs Aerospace: Applications of 780-773 Bearing
In automotive drivetrains, 780-773 Bearing handles torque fluctuations in axles and transmissions. Its dynamic load capacity (77,800 lbf) suits high-stress conditions.

For aerospace ground equipment, 780-773 Bearing supports loading platforms and maintenance tools. The inch sizing simplifies compatibility with legacy systems.

Q&A

SEND INQUIRY