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TS (Single Row Tapered Roller Bearings) (Imperial) 14139X-14283

TS (Single Row Tapered Roller Bearings) (Imperial) 14139X-14283

The 14139X-14283 is a single-row tapered roller bearing with a 1.378″ bore and 2.838″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 12300 lbf radially and 2080 lbf thrust, making it versatile for various applications.

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

Interchangeable with Timken bearings, this model is a reliable choice for replacements. Ideal for machinery like gearboxes or axles where combined loads are common.

Weighing just 0.9 lb, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 14139X-14283
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 2.838" x 0.8813"
  • Bore Dia 1.378"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.838"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.61"
  • Cone Backface Backing Diameter 1.85"
  • Cup Frontface Backing Diameter 2.60"
  • Cup Backface Backing Diameter 2.36"
  • 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 14139X
  • Cup Part Number 14283
  • 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 0.9 lb

Features

How Is 14139X-14283 Bearing Engineered for Reliability?

14139X-14283 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity of 12300 lbf makes it suitable for demanding applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 14139X-14283 Bearing Suitable for High-Temperature Applications?

14139X-14283 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
The chrome steel construction resists wear, even under high thermal stress.
Its standard radial clearance options allow for flexibility in different environments.
The open design facilitates easy lubrication, ensuring consistent performance.

Built for Durability: 14139X-14283 Bearing

14139X-14283 Bearing is crafted with high-quality chrome steel for long-lasting use.
The tapered roller design handles both radial and thrust loads effectively.
Its robust construction ensures reliability in heavy-duty applications.
The standard ABEC-1 rating guarantees consistent precision and performance.

Application

Industrial Uses of 14139X-14283 Bearing
14139X-14283 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 14139X-14283 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 14139X-14283 Bearing’s open design allows for easy lubrication, extending its service life in continuous operation. The steel cage adds extra strength, making it suitable for high-load scenarios.

Where Is 14139X-14283 Bearing Used?
You’ll often find 14139X-14283 Bearing in mining equipment, where its robust design handles both radial and thrust loads with ease. The standard radial clearance ensures smooth operation in dusty conditions.

In power transmission systems, 14139X-14283 Bearing supports shafts and gears, offering stability under high torque. Its ABEC-1 rating provides a good balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 14139X-14283 Bearing
14139X-14283 Bearing excels in applications like forklifts and cranes, where its combined load capacity is essential. The tapered rollers distribute stress evenly, reducing wear over time.

For railway maintenance equipment, 14139X-14283 Bearing’s temperature range and lubrication requirements make it a dependable choice. Its compatibility with Timken models simplifies replacements and upgrades.

Automotive vs Aerospace: Applications of 14139X-14283 Bearing
In automotive settings, 14139X-14283 Bearing is ideal for drivetrain components, thanks to its dynamic load ratings. The inch measurements align with many US-made parts.

For aerospace ground support equipment, 14139X-14283 Bearing offers reliable performance without the need for high-precision tolerances. Its steel cage and chrome steel rollers ensure longevity in frequent-use scenarios.

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