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

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

The 14139-14274A is a single-row tapered roller bearing with a 1.377″ bore and 2.7148″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 12300 lbf radially and 2080 lbf in thrust, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing just 0.7lb, it’s lightweight yet sturdy for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 14139-14274A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.377" x 2.7148" x 0.7813"
  • Bore Dia 1.377"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.7148"
  • 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 0.050"
  • Cup Backface ToClear Radius 0.130"
  • 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 14274A
  • 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

How Is 14139-14274A Bearing Engineered for Reliability?

14139-14274A Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 12,300 lbf, making it suitable for heavy-duty 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 environments.

14139-14274A Bearing’s standard radial clearance allows for smooth operation and easy installation.
Its ABEC-1 rating ensures consistent performance in precision tasks.

Application

Industrial Uses of 14139-14274A Bearing
14139-14274A 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, 14139-14274A Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for older or custom vehicle models.

For industrial conveyor systems, 14139-14274A Bearing offers smooth operation thanks to its standard radial clearance. The open design allows for easy lubrication, extending its service life in continuous-use scenarios.

What Makes 14139-14274A Bearing a Preferred Choice?
14139-14274A Bearing stands out in agricultural machinery due to its ability to handle both radial and thrust loads. The steel cage adds robustness, making it suitable for rough terrain applications.

In mining equipment, 14139-14274A Bearing’s ABEC-1 rating ensures consistent performance under heavy loads. The tapered rollers distribute stress evenly, reducing wear over time.

Built for Heavy-Duty Use: 14139-14274A Bearing
14139-14274A Bearing is ideal for forestry machinery, where its chrome steel rollers withstand harsh conditions. The standard radial clearance allows for thermal expansion during prolonged use.

In material handling systems, 14139-14274A Bearing’s effective center location improves alignment. This feature minimises vibration, enhancing overall system efficiency.

Automotive vs Aerospace: Applications of 14139-14274A Bearing
14139-14274A Bearing is versatile enough for automotive drivetrains, where its dynamic load capacity ensures longevity. The inch measurements simplify integration with existing designs.

While not typically used in aerospace, 14139-14274A Bearing finds niche roles in ground support equipment. Its temperature range suits various operational environments.

Q&A

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