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TS (Single Row Tapered Roller Bearings) (Imperial) 780-772

TS (Single Row Tapered Roller Bearings) (Imperial) 780-772

The 780-772 is a single-row tapered roller bearing with a 4″ bore and 7.125″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 77800 lbf radially and 13300 lbf thrust, suitable for heavy-duty applications.

Its open design simplifies lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable alternative for replacements. Ideal for industrial machinery or automotive systems where robust performance is needed.

Weighing 11.1 lb, it’s built to handle demanding environments while complying with RoHS and REACH standards. The standard radial clearance allows for easy integration into existing setups.

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Product Parameters

  • Part Number 780-772
  • Brand TFL
  • Interchangeable Timken
  • Size 4" x 7.125" x 1.875"
  • Bore Dia 4"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.125"
  • 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 1.875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.24"
  • Cone Backface Backing Diameter 4.69"
  • Cup Frontface Backing Diameter 6.65"
  • Cup Backface Backing Diameter 6.34"
  • 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 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 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 11.1 lb

Features

How Does 780-772 Bearing Handle Combined Loads?

780-772 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust 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.

Structural Advantages of 780-772 Bearing

780-772 Bearing features a single-row tapered roller design, optimised for combined load applications.
The precise cone and cup dimensions ensure smooth operation and easy installation.
Its standard radial clearance allows for flexibility in different machinery setups.
The chrome steel construction enhances durability and resistance to wear.

Why Choose 780-772 Bearing for Heavy-Duty Applications?

780-772 Bearing’s robust design handles dynamic radial loads up to 77,800 lbf with ease.
The tapered roller construction distributes loads evenly, reducing stress on individual components.
Its ABEC-1 rating ensures consistent performance in industrial settings.
The open seal type allows for easy lubrication, maintaining optimal performance over time.

Application

Industrial Uses of 780-772 Bearing
780-772 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 780-772 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial gearboxes, 780-772 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds strength, making it suitable for high-load scenarios.

Where Is 780-772 Bearing Used?
You’ll often find 780-772 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles uneven loads. The standard radial clearance ensures smooth operation in varying temperatures.

In conveyor systems, 780-772 Bearing supports heavy rollers, reducing friction and wear over time. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 780-772 Bearing
780-772 Bearing excels in forestry equipment like log splitters, where its tapered rollers manage intense shock loads. The chrome steel rollers resist wear, even in dusty or wet environments.

For railway applications, 780-772 Bearing’s inch dimensions and high load capacity make it a reliable choice for axle boxes. The open design simplifies maintenance during routine checks.

Automotive vs Aerospace: Applications of 780-772 Bearing
In automotive settings, 780-772 Bearing is ideal for heavy-duty trucks, offering stability in wheel assemblies. Its combined load capacity suits the dynamic stresses of road use.

For industrial pumps, 780-772 Bearing’s tapered rollers ensure smooth rotation under radial and axial forces. The steel cage provides extra durability in high-speed applications.

Q&A

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