TS (Single Row Tapered Roller Bearings) (Imperial) 2775-2731

The 2775-2731 is a single-row tapered roller bearing with a 1.377″ 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 easy lubrication, while the steel cage ensures durability. 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. 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 manageable size. Compliant with RoHS and REACH standards for safe and reliable performance.

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Description

Features

Application

Q&A

Product Parameters

Part Number 2775-2731
Brand TFL
Interchangeable Timken
Size 1.377" x 3.125" x 0.9361"
Bore Dia 1.377"
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 0.06"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 1.61"
Cone Backface Backing Diameter 1.71"
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 2775
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

Performance Features of 2775-2731 Bearing

2775-2731 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 19,500 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 2775-2731 Bearing Engineered for Reliability?

2775-2731 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance allows for smooth operation.
Its dynamic thrust rating of 2,630 lbf ensures consistent performance under demanding conditions.
The bearing’s ABEC-1 rating guarantees precision and reliability in industrial applications.

Built for Durability: 2775-2731 Bearing

2775-2731 Bearing’s tapered roller design provides excellent load distribution, reducing wear over time.
The chrome steel materials resist wear and corrosion, ensuring a long service life.
With a static radial load capacity of 23,000 lbf, it handles heavy loads with ease.
The open seal type allows for easy lubrication, maintaining optimal performance.

Steel vs Ceramic Bearings: Strengths of 2775-2731 Bearing

2775-2731 Bearing uses chrome steel for both rings and rollers, balancing strength and cost-effectiveness.
This material choice ensures high resistance to wear and fatigue in demanding environments.
The bearing’s dynamic radial rating of 5,060 lbf at 90 million revolutions highlights its longevity.
Its standard radial clearance and ABEC-1 rating make it a practical choice for various applications.

Application

Industrial Uses of 2775-2731 Bearing
The 2775-2731 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in rugged environments.

In automotive applications, 2775-2731 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 2775-2731 Bearing supports conveyor systems and robotic arms, where its open design allows for easy lubrication. The steel cage adds stability during high-speed operations.

Where Is 2775-2731 Bearing Used?
You’ll often find 2775-2731 Bearing in mining equipment, where its robust design handles heavy radial and thrust loads. The standard radial clearance suits most industrial needs.

In power transmission systems, 2775-2731 Bearing ensures smooth operation for gears and pulleys. Its ABEC-1 rating balances precision and cost-effectiveness for general machinery.

Built for Heavy-Duty Use: 2775-2731 Bearing
The 2775-2731 Bearing excels in forestry machinery, withstanding shock loads and harsh conditions. Its tapered rollers distribute stress evenly, extending service life.

For railway applications, 2775-2731 Bearing provides reliable performance in axle boxes. The chrome steel components resist wear, even under constant vibration.

Automotive vs Aerospace: Applications of 2775-2731 Bearing
In automotive settings, 2775-2731 Bearing handles wheel and drivetrain loads effectively. Its inch measurements align with imperial system requirements.

For aerospace ground equipment, 2775-2731 Bearing supports maintenance tools and loading systems. The temperature range suits most operational environments.