TS (Single Row Tapered Roller Bearings) (Imperial) 2786-2731

The 2786-2731 is a single-row tapered roller bearing with a 1.375″ bore and 3.125″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 19500 lbf radially and 2630 lbf thrust, suitable for demanding applications.

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

Interchangeable with Timken bearings, it’s a practical choice for replacements. Ideal for use in heavy machinery or automotive systems where combined loads are common.

Weighing 1.3 lb, it offers a balance of strength and manageability. Compliant with RoHS and REACH standards for safe and reliable use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 2786-2731
Brand TFL
Interchangeable Timken
Size 1.375" x 3.125" x 0.9361"
Bore Dia 1.375"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.125"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.01"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.75"
Cup Width Tolerance +0.002" to -0.01
Width 0.9361"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.2"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 1.61"
Cone Backface Backing Diameter 2.01"
Cup Frontface Backing Diameter 2.87"
Cup Backface Backing Diameter 2.64"
Cage Cone Frontface Clearance 0.06"
Cage Cone Backface Clearance 0.04"
Effective Center Location -0.32"
System of Measurement Inch
Type Bearing
Cone Part Number 2786
Cup Part Number 2731
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 2700
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 19500 lbf
Static Radial Load 23000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 5060 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2630 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 1.3 lb

Features

Engineered for Precision: 2786-2731 Bearing

2786-2731 Bearing features a single row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 19,500 lbf, providing reliable performance under heavy loads.
Precision tolerances on the bore and outer diameter ensure smooth operation and easy installation.

With a temperature range of -30° to 110°C, 2786-2731 Bearing performs well in various environments.
The standard radial clearance options allow for flexibility in different operational conditions.

2786-2731 Bearing’s steel cage maintains roller alignment, reducing friction and extending service life.
Its ABEC-1 rating confirms consistent quality for general industrial applications.

Application

Industrial Uses of 2786-2731 Bearing
2786-2731 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 2786-2731 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken bearings in many vehicles.

For industrial conveyor systems, 2786-2731 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, making it suitable for high-load scenarios.

Where Is 2786-2731 Bearing Used?
You’ll often find 2786-2731 Bearing in agricultural machinery, where its robust design withstands dirt and debris. The standard radial clearance ensures smooth operation even in less-than-ideal conditions.

In mining equipment, 2786-2731 Bearing’s ability to handle heavy loads makes it a reliable choice for crushers and screens. The ABEC-1 rating balances precision and cost-effectiveness for these applications.

Built for Heavy-Duty Use: 2786-2731 Bearing
2786-2731 Bearing excels in forestry equipment, where its tapered rollers manage uneven loads from logs and rough terrain. The steel cage prevents roller skewing, maintaining consistent performance.

For railway applications, 2786-2731 Bearing’s dynamic load capacity ensures reliability in freight car axles. The inch measurements simplify maintenance and replacements in North American systems.

Automotive vs Aerospace: Applications of 2786-2731 Bearing
In automotive settings, 2786-2731 Bearing is ideal for drivetrain components, offering a balance of strength and affordability. Its compatibility with Timken designs simplifies sourcing.

For aerospace ground support equipment, 2786-2731 Bearing provides dependable performance in load-handling systems. The temperature range suits both indoor and outdoor operational environments.