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14121-14276D TDO (Two-Row Double-Outer Race) (Imperial)

14121-14276D TDO (Two-Row Double-Outer Race) (Imperial)

The 14121-14276D is a double-row tapered roller bearing with a 1.19″ bore and 2.717″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 21400 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing comes in standard radial clearance, with options for C3, C4, or C5 if needed.

This model is part of the 14000 series, featuring a double outer race for added stability. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 1.82 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, making it suitable for various industries.

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Product Parameters

  • Part Number 14121-14276D
  • Brand TFL
  • Size 1.19" x 2.717" x 1.021"
  • Bore Dia 1.19"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.717"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.5"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.021"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.3126"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 1.46"
  • Cup Frontface Backing Diameter 2.52"
  • Cage Cone Backface Clearance 0.27"
  • Dynamic Radial Load 21400 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 14121
  • Cup Part Number 14276D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 14000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 3180 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 2080 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 5540 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 1.82 lb

Features

Why Choose 14121-14276D Bearing for Combined Loads?

14121-14276D Bearing features a double-row tapered roller design, ideal for handling both radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.
With a dynamic radial load capacity of 21,400 lbf, it provides reliable performance under heavy loads.
The open design allows for easy lubrication, maintaining smooth operation over time.

How Is 14121-14276D Bearing Engineered for Reliability?

14121-14276D Bearing is built with precision tolerances, ensuring consistent performance in various conditions.
The chrome steel rollers and rings enhance strength, while the steel cage maintains proper alignment.
Its double-row design distributes loads evenly, reducing stress and extending service life.
Operating within a temperature range of -30° to 110°C, it remains reliable in diverse environments.

Built for Durability: 14121-14276D Bearing

14121-14276D Bearing’s robust construction makes it suitable for heavy-duty applications.
The tapered roller design minimises friction, ensuring smooth operation even under combined loads.
With standard radial clearance options, it offers flexibility for different installation needs.
Its ABEC-1 rating guarantees consistent precision and performance.

Application

Industrial Uses of 14121-14276D Bearing
14121-14276D Bearing is commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability in demanding environments.

Where Is 14121-14276D Bearing Used?
You’ll often find 14121-14276D Bearing in automotive applications like wheel hubs and differential systems, thanks to its robust tapered roller design. Its inch sizing makes it a popular choice for North American vehicle models.

Built for Heavy-Duty Use: 14121-14276D Bearing
14121-14276D Bearing excels in industrial gearboxes and conveyor systems, where its high dynamic load capacity keeps operations smooth. The open seal design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 14121-14276D Bearing
In automotive settings, 14121-14276D Bearing supports heavy loads in truck axles, while its precision makes it suitable for aerospace landing gear components. The steel cage adds stability under high stress.

Practical Applications of 14121-14276D Bearing
14121-14276D Bearing is a reliable choice for mining equipment, where its tapered rollers handle uneven loads with ease. The standard radial clearance ensures consistent performance in varying temperatures.

Q&A

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