TS (Single Row Tapered Roller Bearings) (Imperial) 14139-14277

The 14139-14277 is a single-row tapered roller bearing with a 1.377″ bore and 2.717″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 12300 lbf radially and 2080 lbf thrust, suitable for moderate-speed applications.

Its open design allows easy 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 replacement option. Ideal for industrial machinery or automotive applications where combined loads are common.

Weighing just 0.8 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets essential safety and environmental requirements.

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Description

Features

Application

Q&A

Product Parameters

Part Number 14139-14277
Brand TFL
Interchangeable Timken
Size 1.377" x 2.717" x 0.8813"
Bore Dia 1.377"
Bore Dia Tolerance +0.005" to 0
Outer Dia 2.717"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.771"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.725"
Cup Width Tolerance +0.002" to -0.01
Width 0.8813"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.050"
Cup Backface ToClear Radius 0.090"
Cone Frontface Backing Diameter 1.61"
Cone Backface Backing Diameter 1.67"
Cup Frontface Backing Diameter 2.52"
Cup Backface Backing Diameter 2.32"
Cage Cone Frontface Clearance 0.07"
Cage Cone Backface Clearance 0.02"
Effective Center Location -0.17"
System of Measurement Inch
Type Bearing
Cone Part Number 14139
Cup Part Number 14277
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 14000
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 12300 lbf
Static Radial Load 13900 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 3180 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2080 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 0.8 lb

Features

Why Choose 14139-14277 Bearing for Precision Tasks?

14139-14277 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 12,300 lbf, providing reliable performance under heavy loads.
With an ABEC-1 rating, it offers consistent precision for various industrial uses.

14139-14277 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different operating conditions.

Application

Industrial Uses of 14139-14277 Bearing
14139-14277 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 14139-14277 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, 14139-14277 Bearing’s open design allows for easy lubrication, extending service life in high-demand environments. The standard radial clearance offers flexibility for different operational needs.

Where Is 14139-14277 Bearing Used?
You’ll often find 14139-14277 Bearing in mining equipment, where its robust design copes with heavy radial and thrust loads. The steel cage adds extra strength for prolonged use in harsh conditions.

In manufacturing plants, 14139-14277 Bearing supports machinery like presses and gearboxes, ensuring smooth operation. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial applications.

Built for Heavy-Duty Use: 14139-14277 Bearing
14139-14277 Bearing excels in forestry machinery, handling uneven loads and shocks with ease. The tapered rollers distribute stress evenly, reducing wear over time.

For railway applications, 14139-14277 Bearing’s temperature range (-30° to 110°C) makes it suitable for varying climates. Its compatibility with Timken designs simplifies maintenance and replacements.

Automotive vs Aerospace: Applications of 14139-14277 Bearing
In automotive settings, 14139-14277 Bearing is ideal for drivetrain components, offering reliable performance under constant stress. The inch measurements ensure easy integration with existing systems.

For aerospace ground support equipment, 14139-14277 Bearing provides dependable operation without the need for specialised tooling. Its standard radial clearance adapts well to different load requirements.