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15120-15251D TDO (Two-Row Double-Outer Race) (Imperial)

15120-15251D TDO (Two-Row Double-Outer Race) (Imperial)

The 15120-15251D is a two-row tapered roller bearing with a 1.1895″ bore and 2.5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 23400 lbf and is designed for long-lasting performance.

Its open design allows easy lubrication, while the steel cage ensures smooth operation. The bearing works well in temperatures from -30°C to 110°C, making it versatile for various conditions.

This double-row construction provides extra stability, ideal for heavy-duty applications like truck axles or industrial gearboxes. It meets ABEC-1 standards for reliable precision.

Weighing 1.390 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH regulations, it’s a safe choice for most mechanical setups.

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Product Parameters

  • Part Number 15120-15251D
  • Brand TFL
  • Size 1.1895" x 2.5" x 0.8125"
  • Bore Dia 1.1895"
  • 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 1.42"
  • 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 15120
  • 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 1.390 lb

Features

Performance Features of 15120-15251D Bearing

15120-15251D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 23,400 lbf, ensuring reliable performance in demanding applications.
The steel cage maintains roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various conditions.

How Does 15120-15251D Bearing Handle Combined Loads?

15120-15251D Bearing’s double-row tapered roller design efficiently manages both radial and thrust loads.
The chrome steel construction provides durability, even under heavy stress.
Its standard radial clearance options allow for flexibility in different applications.
The open seal type ensures easy lubrication and maintenance.

Engineered for Precision: 15120-15251D Bearing

15120-15251D Bearing features precise tolerances, with bore diameter accuracy within +0.005″ to 0.
The double-cup design enhances stability and load distribution across both rows.
Chrome steel rollers and rings ensure smooth operation and long-lasting performance.
Its ABEC-1 rating confirms consistent quality for industrial use.

Application

Industrial Uses of 15120-15251D Bearing
15120-15251D 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, 15120-15251D Bearing supports wheel hubs and differential systems, providing reliable performance under varying load conditions. Its inch sizing makes it a preferred choice for American and British vehicle models.

For industrial conveyor systems, 15120-15251D Bearing’s tapered roller design offers smooth operation and easy maintenance. The open seal type allows for straightforward lubrication, extending its service life in high-use scenarios.

Where Is 15120-15251D Bearing Used?
15120-15251D Bearing finds its place in mining equipment, where its robust construction withstands harsh conditions. The standard radial clearance ensures consistent performance even under heavy loads.

In railway applications, 15120-15251D Bearing supports axle boxes, benefiting from its combined load capacity and temperature resistance. The steel cage adds extra strength for long-term reliability.

Built for Heavy-Duty Use: 15120-15251D Bearing
15120-15251D Bearing is ideal for wind turbine gearboxes, where its tapered rollers manage high radial and thrust loads. The ABEC-1 rating ensures sufficient precision for most industrial needs.

In material handling equipment, 15120-15251D Bearing’s double-row design provides stability and load distribution. The chrome steel rollers enhance wear resistance, reducing maintenance frequency.

Automotive vs Aerospace: Applications of 15120-15251D Bearing
In automotive systems, 15120-15251D Bearing is often found in truck transmissions, handling high torque and variable speeds. Its inch measurements align with standard automotive components.

For aerospace ground support equipment, 15120-15251D Bearing offers reliable performance in load-bearing applications. The temperature range suits both indoor and outdoor operational environments.

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