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15117X-15251D TDO (Two-Row Double-Outer Race) (Imperial)

15117X-15251D TDO (Two-Row Double-Outer Race) (Imperial)

The 15117X-15251D is a double-row tapered roller bearing with a 1.1811″ bore and 2.5″ outer diameter, crafted from sturdy chrome steel for long-lasting use. It manages combined loads well, handling up to 23400 lbf radial load and spins smoothly in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance. The bearing operates efficiently in temperatures ranging from -30°C to 110°C, making it versatile for various environments.

This model is part of the 15000 series, with standard cups and ABEC-1 precision. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 1.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a dependable choice for replacements or new installations.

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Product Parameters

  • Part Number 15117X-15251D
  • Brand TFL
  • Size 1.1811" x 2.5" x 0.8125"
  • Bore Dia 1.1811"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.5"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.4375"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.8125"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 1.8124"
  • 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 2.34"
  • Cage Cone Backface Clearance 0.03"
  • Dynamic Radial Load 23400 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 15117X
  • Cup Part Number 15251D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 15000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 3490 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 2090 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 6080 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 1.400 lb

Features

How Is 15117X-15251D Bearing Engineered for Reliability?

15117X-15251D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, even under heavy loads up to 23,400 lbf.
The open design allows for easy lubrication, maintaining smooth operation over time.
With a standard radial clearance, it offers reliable performance in various applications.

What Makes 15117X-15251D Bearing Suitable for High-Temperature Applications?

15117X-15251D Bearing operates efficiently within a temperature range of -30° to 110°C.
The chrome steel rollers and rings maintain their strength and performance in demanding conditions.
Its double-row design distributes loads evenly, reducing heat buildup.
This makes it ideal for applications where temperature fluctuations are common.

Built for Durability: 15117X-15251D Bearing

15117X-15251D Bearing is constructed with high-quality chrome steel for both rings and rollers.
Its tapered roller design ensures even load distribution, enhancing longevity.
The steel cage keeps rollers aligned, minimising wear and tear.
With a dynamic radial load capacity of 23,400 lbf, it handles heavy-duty tasks with ease.

Steel vs Ceramic Bearings: Strengths of 15117X-15251D Bearing

15117X-15251D Bearing uses chrome steel for both rollers and rings, offering excellent strength and durability.
This material choice ensures reliable performance under heavy loads and high temperatures.
The tapered roller design provides efficient load distribution, reducing stress on components.
Its open construction allows for easy maintenance and lubrication, extending service life.

Application

Industrial Uses of 15117X-15251D Bearing
15117X-15251D Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 15117X-15251D Bearing Used?
You’ll often find 15117X-15251D Bearing in automotive applications, particularly in wheel hubs and differential systems, where its tapered roller design provides smooth performance. The inch sizing makes it a fit for many North American vehicles.

Built for Heavy-Duty Use: 15117X-15251D Bearing
15117X-15251D Bearing excels in industrial fans and conveyor systems, thanks to its robust steel cage and high dynamic load capacity. Its open design simplifies lubrication, extending service life in continuous operations.

Automotive vs Aerospace: Applications of 15117X-15251D Bearing
In automotive settings, 15117X-15251D Bearing supports wheel assemblies, while in aerospace, it’s suited for auxiliary systems requiring reliable load handling. The ABEC-1 rating ensures consistent precision for both fields.

Perfect Fit for Automation: 15117X-15251D Bearing
15117X-15251D Bearing works well in automated assembly lines, where its tapered rollers reduce friction during high-speed rotations. The standard radial clearance offers flexibility for various precision needs.

Q&A

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