TS (Single Row Tapered Roller Bearings) (Imperial) 80780-80720

The 80780-80720 is a single-row tapered roller bearing with a 25″ bore and 29″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 147,000 lbf radially and 28,600 lbf thrust, making it suitable for heavy-duty applications.

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 large vehicles where robust performance is needed.

Weighing 74.50 lb, it’s built to last in demanding environments. Compliant with RoHS and REACH standards for safe and sustainable use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 80780-80720
Brand TFL
Interchangeable Timken
Size 25" x 29" x 2.25"
Bore Dia 25"
Bore Dia Tolerance +0.003" to 0
Outer Dia 29"
Outer Dia Tolerance +0.003" to 0
Cone Width 2.125"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.625"
Cup Width Tolerance +0.002" to -0.01
Width 2.25"
Width Tolerance +0.015" to -0.015"
Cone Backface ToClear Radius 0.13"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 30.71"
Cone Backface Backing Diameter 25.75"
Cup Frontface Backing Diameter 28.32"
Cup Backface Backing Diameter 28.11"
Cage Cone Frontface Clearance 0.09"
Cage Cone Backface Clearance 0.29"
Effective Center Location 2.73"
System of Measurement Inch
Type Bearing
Cone Part Number 80780
Cup Part Number 80720
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 80700
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 147000 lbf
Static Radial Load 412000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 38100 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 28600 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 74.50 lb

Features

Performance Features of 80780-80720 Bearing

80780-80720 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 147,000 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 80780-80720 Bearing Resist Wear?

80780-80720 Bearing’s chrome steel construction provides excellent wear resistance, even under high stress.
The tapered roller design distributes loads evenly, prolonging the bearing’s service life.
Its standard radial clearance options allow for flexibility in different operational settings.
Regular lubrication ensures smooth performance and reduces friction over time.

Engineered for Precision: 80780-80720 Bearing

80780-80720 Bearing features precise dimensions, with bore and outer diameter tolerances within +0.003″ to 0.
Its effective center location of 2.73″ ensures accurate alignment in machinery.
The bearing’s ABEC-1 rating guarantees consistent performance for industrial applications.
With a static radial load capacity of 412,000 lbf, it handles demanding tasks with ease.

Steel vs Ceramic Bearings: Strengths of 80780-80720 Bearing

80780-80720 Bearing uses chrome steel for both rings and rollers, providing robust strength.
This material choice ensures reliable performance in high-load scenarios without brittleness concerns.
The steel cage maintains structural integrity even under continuous operation.
Its compatibility with standard lubrication methods simplifies maintenance procedures.

Application

Industrial Uses of 80780-80720 Bearing
The 80780-80720 Bearing is commonly used in heavy machinery like mining equipment and construction gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 80780-80720 Bearing Used?
You’ll often find 80780-80720 Bearing in large industrial fans and power transmission systems, thanks to its ability to manage both radial and thrust loads. The open design simplifies lubrication, making maintenance straightforward.

Built for Heavy-Duty Use: 80780-80720 Bearing
80780-80720 Bearing excels in applications like agricultural machinery and railroad axles, where reliability is key. Its steel cage and chrome steel rollers provide long-lasting performance even under constant stress.

Automotive vs Aerospace: Applications of 80780-80720 Bearing
In automotive settings, 80780-80720 Bearing supports heavy-duty truck axles, while in aerospace, it’s used in landing gear systems. The inch sizing makes it compatible with a variety of imperial equipment.

Practical Applications of 80780-80720 Bearing
For conveyor systems and material handling equipment, 80780-80720 Bearing offers smooth operation and easy integration. Its standard radial clearance ensures consistent performance across different temperatures.