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TS (Single Row Tapered Roller Bearings) (Imperial) 14121-14277

TS (Single Row Tapered Roller Bearings) (Imperial) 14121-14277

The 14121-14277 is a single-row tapered roller bearing with a 1.19″ bore and 2.717″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 12300 lbf radially and 2080 lbf thrust, suitable for moderate-speed applications.

Its open design allows easy 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 gearboxes, wheel hubs, or industrial machinery where combined loads are present.

Weighing just 0.9 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 14121-14277
  • Brand TFL
  • Interchangeable Timken
  • Size 1.19" x 2.717" x 1.1313"
  • Bore Dia 1.19"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.717"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.021"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.725"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1313"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.44"
  • Cone Backface Backing Diameter 1.46"
  • Cup Frontface Backing Diameter 2.52"
  • Cup Backface Backing Diameter 2.32"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.27"
  • Effective Center Location -0.42"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 14121
  • 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 0.9 lb

Features

Performance Features of 14121-14277 Bearing

14121-14277 Bearing is built with 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 demanding industrial applications.

The single-row tapered roller design provides effective load distribution, enhancing performance and longevity.
With a standard radial clearance, it offers reliable operation in various conditions.

14121-14277 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing friction and wear over time.

Easy to install and maintain, 14121-14277 Bearing is designed for efficiency and reliability.
Its ABEC-1 rating ensures consistent performance for precision applications.

Application

Industrial Uses of 14121-14277 Bearing
14121-14277 Bearing is commonly used in heavy machinery like construction equipment and agricultural vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 14121-14277 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken equivalents in many US-made vehicles.

For industrial gearboxes, 14121-14277 Bearing’s open design allows easy lubrication, extending service life in high-speed operations. The steel cage adds stability, reducing wear during prolonged use.

Where Is 14121-14277 Bearing Used?
You’ll often find 14121-14277 Bearing in conveyor systems, where its ability to manage radial and thrust loads keeps operations smooth. The standard radial clearance offers flexibility for different alignment needs.

In mining equipment, 14121-14277 Bearing’s robust build withstands harsh environments, from dust to heavy vibrations. Its ABEC-1 rating ensures consistent performance without over-engineering for most industrial tasks.

Built for Heavy-Duty Use: 14121-14277 Bearing
14121-14277 Bearing excels in forestry machinery, where its tapered rollers distribute loads evenly across uneven surfaces. The inch measurements simplify maintenance for technicians familiar with imperial tools.

For railway applications, 14121-14277 Bearing’s temperature tolerance (-30° to 110°C) makes it suitable for braking systems. The dynamic radial load capacity (12,300 lbf) handles frequent stop-start cycles reliably.

Automotive vs Aerospace: Applications of 14121-14277 Bearing
In trucks and trailers, 14121-14277 Bearing supports axle assemblies with its balanced thrust and radial load capacity. The steel cage prevents roller skew during sudden direction changes.

For ground support equipment at airports, 14121-14277 Bearing’s standard lubrication needs fit well into routine maintenance schedules. Its weight (0.9 lb) strikes a practical balance between strength and portability.

Q&A

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