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TS (Single Row Tapered Roller Bearings) (Imperial) 14139X-14272

TS (Single Row Tapered Roller Bearings) (Imperial) 14139X-14272

The 14139X-14272 is a single-row tapered roller bearing with a 1.378″ bore and 2.717″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 12300 lbf radially and 2080 lbf in thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing just 0.7lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe choice for most industrial needs.

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Product Parameters

  • Part Number 14139X-14272
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 2.717" x 0.75"
  • Bore Dia 1.378"
  • 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 0.5625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.75"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.61"
  • Cone Backface Backing Diameter 1.85"
  • 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 14139X
  • Cup Part Number 14272
  • 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 0.7 lb

Features

Performance Features of 14139X-14272 Bearing

14139X-14272 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 12,300 lbf, ensuring reliable performance in various applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in diverse environments.

How Is 14139X-14272 Bearing Engineered for Reliability?

14139X-14272 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the open seal type allows for easy lubrication.
Its standard radial clearance ensures smooth operation, suitable for ABEC-1 precision requirements.
The bearing’s effective centre location improves stability during use.

Built for Durability: 14139X-14272 Bearing

14139X-14272 Bearing’s tapered roller design provides excellent load distribution, reducing wear.
The chrome steel components resist wear, maintaining performance under dynamic radial loads up to 12,300 lbf.
Its steel cage ensures proper roller spacing, enhancing longevity.
With a weight of 0.7 lb, it balances strength and portability.

Steel vs Ceramic Bearings: Strengths of 14139X-14272 Bearing

14139X-14272 Bearing uses chrome steel for both rings and rollers, offering robust performance.
This material choice provides excellent resistance to wear and fatigue in demanding applications.
The bearing’s dynamic thrust rating of 2,080 lbf ensures reliable operation under combined loads.
Its standard radial clearance makes it versatile for various industrial uses.

Application

Industrial Uses of 14139X-14272 Bearing
14139X-14272 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 14139X-14272 Bearing Used?
You’ll often find 14139X-14272 Bearing in automotive applications like wheel hubs and differentials, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 14139X-14272 Bearing
14139X-14272 Bearing excels in industrial settings like conveyor systems, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it reliable for long-term use.

Automotive vs Aerospace: Applications of 14139X-14272 Bearing
In automotive systems, 14139X-14272 Bearing supports high-load components like axles, while its precision also suits aerospace applications where reliability is key. The ABEC-1 rating ensures consistent performance across both fields.

Perfect Fit for Automation: 14139X-14272 Bearing
14139X-14272 Bearing works well in automated machinery, such as robotic arms, due to its smooth operation under combined loads. The standard radial clearance option makes it versatile for various setups.

Q&A

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