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15115-15251D TDO (Two-Row Double-Outer Race) (Imperial)

15115-15251D TDO (Two-Row Double-Outer Race) (Imperial)

The 15115-15251D is a two-row tapered roller bearing with a 1.1806″ bore and 2.5″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 23400 lbf and is designed for long-lasting performance.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is part of the 15000 series and meets ABEC-1 standards for precision. Ideal for heavy-duty applications like truck axles or industrial gearboxes where reliability is key.

Weighing 1.36 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH regulations, ensuring safe and eco-friendly use.

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Product Parameters

  • Part Number 15115-15251D
  • Brand TFL
  • Size 1.1806" x 2.5" x 0.75"
  • Bore Dia 1.1806"
  • 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 0.75"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 1.7424"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 1.52"
  • Cup Frontface Backing Diameter 2.34"
  • Cage Cone Backface Clearance -0.01"
  • Dynamic Radial Load 23400 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 15115
  • 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 1.36 lb

Features

How Is 15115-15251D Bearing Engineered for Reliability?

15115-15251D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 23,400 lbf.

The precision-engineered cage maintains roller alignment, reducing friction and extending service life.
With a standard radial clearance, it offers reliable performance in various industrial applications.

15115-15251D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 15115-15251D Bearing
15115-15251D 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 effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 15115-15251D Bearing supports wheel hubs and differential systems, providing reliable performance under varying load conditions. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 15115-15251D Bearing’s tapered roller design offers smooth operation and long service life. The open seal type allows for easy lubrication, reducing maintenance downtime.

Where Is 15115-15251D Bearing Used?
You’ll often find 15115-15251D Bearing in mining equipment, where its robust construction withstands harsh conditions. The standard radial clearance ensures consistent performance even under heavy loads.

In power transmission systems, 15115-15251D Bearing helps manage high torque and axial forces. Its steel cage provides added strength, making it suitable for continuous operation.

Built for Heavy-Duty Use: 15115-15251D Bearing
15115-15251D Bearing excels in applications like forklifts and cranes, where its double-row tapered rollers distribute loads evenly. The ABEC-1 rating balances precision and cost-effectiveness.

For railway applications, 15115-15251D Bearing’s temperature range (-30° to 110°C) ensures reliability in varying climates. The chrome steel rollers resist wear, extending bearing life.

Automotive vs Aerospace: Applications of 15115-15251D Bearing
In automotive systems, 15115-15251D Bearing is ideal for wheel ends and drivetrains, offering durability and load capacity. Its inch measurements suit many US-made vehicles.

For aerospace ground equipment, 15115-15251D Bearing provides reliable performance in landing gear servicing tools. The open design simplifies inspection and maintenance.

Q&A

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