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TS (Single Row Tapered Roller Bearings) (Imperial) 14139X-14277

TS (Single Row Tapered Roller Bearings) (Imperial) 14139X-14277

The 14139X-14277 is a single-row tapered roller bearing with a 1.378″ bore and 2.717″ 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 automotive or industrial equipment where combined loads are common.

Weighing just 0.8lb, it balances strength and portability. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 14139X-14277
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 2.717" x 0.8813"
  • 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 0.725"
  • 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 2.52"
  • 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 14277
  • 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 0.8 lb

Features

Performance Features of 14139X-14277 Bearing

14139X-14277 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 proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in diverse operating conditions.

14139X-14277 Bearing’s standard radial clearance provides flexibility for different installation needs.
Its ABEC-1 rating ensures consistent precision for general industrial use.

Application

Common Applications of 14139X-14277 Bearing
14139X-14277 Bearing is widely used in industrial machinery, especially in gearboxes and heavy-duty equipment where combined radial and thrust loads are common. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 14139X-14277 Bearing is often found in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many American and British vehicle models.

For construction equipment, 14139X-14277 Bearing’s tapered roller design handles heavy loads efficiently, making it suitable for cranes and excavators. The open seal type allows for easy lubrication, extending its service life.

Where Is 14139X-14277 Bearing Used?
14139X-14277 Bearing is commonly seen in agricultural machinery, such as tractors and harvesters, where its robust design withstands harsh conditions. The steel cage adds extra strength to handle shock loads.

In manufacturing plants, 14139X-14277 Bearing supports conveyor systems and assembly lines, ensuring smooth operation. Its standard radial clearance makes it versatile for various industrial setups.

Built for Heavy-Duty Use: 14139X-14277 Bearing
14139X-14277 Bearing excels in mining equipment, where its tapered rollers manage extreme loads and vibrations. The chrome steel rollers resist wear, even in abrasive environments.

For railway applications, 14139X-14277 Bearing is used in axle boxes, providing stability and reducing friction. Its ABEC-1 rating ensures consistent performance at moderate speeds.

Automotive vs Aerospace: Applications of 14139X-14277 Bearing
In automotive systems, 14139X-14277 Bearing is ideal for transmissions, offering smooth power transfer. Its inch measurements align with many standard vehicle designs.

For aerospace ground equipment, 14139X-14277 Bearing supports maintenance tools and loading systems. The temperature range of -30° to 110°C ensures reliability in varying climates.

Q&A

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