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TS (Single Row Tapered Roller Bearings) (Imperial) 14139X-14274-S

TS (Single Row Tapered Roller Bearings) (Imperial) 14139X-14274-S

The 14139X-14274-S is a single-row tapered roller bearing with a 1.378″ bore and 2.965″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 12300 lbf radially and 2080 lbf thrust, suitable for moderate-speed applications.

Its open design simplifies 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 use in gearboxes, wheel hubs, or industrial equipment where combined loads are present.

Weighing just 0.9 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe choice for most applications. The ABEC-1 rating ensures consistent performance for general industrial use.

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Product Parameters

  • Part Number 14139X-14274-S
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 2.965" x 0.7813"
  • Bore Dia 1.378"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.965"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.771"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.7813"
  • 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 2.62"
  • Cup Backface Backing Diameter 2.40"
  • 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 14274-S
  • 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

Performance Features of 14139X-14274-S Bearing

14139X-14274-S 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-14274-S Bearing Engineered for Reliability?

14139X-14274-S Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction enhances durability, while the standard radial clearance allows for smooth operation.
Its ABEC-1 rating ensures consistent precision in industrial applications.
The open design simplifies lubrication, maintaining performance over time.

Designed for Durability: 14139X-14274-S Bearing

14139X-14274-S Bearing’s single-row construction provides stability under heavy loads.
The precise tolerances, with bore diameter at 1.378″ and outer diameter at 2.965″, ensure a perfect fit.
Its dynamic thrust rating of 2,080 lbf at 90 million revolutions highlights long-term reliability.
The steel cage and chrome steel rollers work together to minimise wear.

Application

Industrial Uses of 14139X-14274-S Bearing
14139X-14274-S 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.

What Makes 14139X-14274-S Bearing a Preferred Choice?
In automotive applications, 14139X-14274-S Bearing is often found in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 14139X-14274-S Bearing
For industrial conveyor systems, 14139X-14274-S Bearing offers smooth operation and long service life, thanks to its robust steel cage and precise tolerances. The open design allows for easy lubrication and maintenance.

Automotive vs Aerospace: Applications of 14139X-14274-S Bearing
While 14139X-14274-S Bearing is popular in automotive drivetrains, it also suits aerospace applications where consistent performance is needed. Its ABEC-1 rating ensures adequate precision for many industrial and transportation uses.

Where Is 14139X-14274-S Bearing Used?
In mining equipment, 14139X-14274-S Bearing handles high radial and thrust loads, making it a reliable choice for crushers and screens. The standard radial clearance allows for smooth operation under heavy stress.

Q&A

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