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TS (Single Row Tapered Roller Bearings) (Imperial) 14138A-14274

TS (Single Row Tapered Roller Bearings) (Imperial) 14138A-14274

The 14138A-14274 is a single-row tapered roller bearing with a 1.375″ bore and 2.717″ 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 for easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for machinery like gearboxes or axles 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 industrial use. The ABEC-1 rating ensures consistent performance.

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Product Parameters

  • Part Number 14138A-14274
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 2.717" x 0.7813"
  • Bore Dia 1.375"
  • 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 0.625"
  • 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 2.52"
  • 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 14138A
  • Cup Part Number 14274
  • 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 14138A-14274 Bearing

14138A-14274 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 service life.
With a temperature range of -30° to 110°C, it performs well in diverse conditions.

How Is 14138A-14274 Bearing Engineered for Reliability?

14138A-14274 Bearing features a single-row 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 effective centre location of -0.17″ ensures stability under load.
This bearing is interchangeable with Timken models, providing flexibility in replacements.

Built for Durability: 14138A-14274 Bearing

14138A-14274 Bearing’s robust design includes a steel cage that withstands heavy loads and reduces wear.
The tapered roller construction distributes stress evenly, improving fatigue life.
With a static radial load capacity of 13,900 lbf, it excels in demanding environments.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Steel vs Ceramic Bearings: Strengths of 14138A-14274 Bearing

14138A-14274 Bearing uses chrome steel for both rings and rollers, offering excellent strength and cost-effectiveness.
The material choice ensures reliable performance under high dynamic and static loads.
Unlike ceramic options, this bearing provides a balance of durability and affordability.
Its standard lubrication requirement simplifies maintenance while ensuring smooth operation.

Application

Industrial Uses of 14138A-14274 Bearing
14138A-14274 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 14138A-14274 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 14138A-14274 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds stability, reducing wear over time.

Where Is 14138A-14274 Bearing Used?
You’ll often find 14138A-14274 Bearing in agricultural machinery, where its robust design handles rough terrain and heavy loads. The tapered rollers distribute stress evenly, preventing premature failure.

In mining equipment, 14138A-14274 Bearing’s ability to manage radial and thrust loads makes it ideal for crushers and screens. The standard radial clearance ensures smooth operation under constant vibration.

Built for Heavy-Duty Use: 14138A-14274 Bearing
14138A-14274 Bearing excels in forestry equipment, where its chrome steel rollers withstand abrasive conditions. The single-row construction simplifies maintenance, reducing downtime.

For railway applications, 14138A-14274 Bearing’s effective center location improves alignment in axle boxes. The ABEC-1 rating balances precision and cost for freight and passenger trains.

Automotive vs Aerospace: Applications of 14138A-14274 Bearing
In automotive drivetrains, 14138A-14274 Bearing handles high torque and variable speeds with ease. Its dynamic load capacity ensures longevity in daily use.

While not typically used in aerospace, 14138A-14274 Bearing’s reliability makes it suitable for ground support equipment. The temperature range covers most operational environments.

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