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15103-15251D TDO (Two-Row Double-Outer Race) (Imperial)

15103-15251D TDO (Two-Row Double-Outer Race) (Imperial)

The 15103-15251D is a double-row tapered roller bearing with a 1.0298″ bore and 2.5″ outer diameter, built from sturdy chrome steel. It handles combined loads with a dynamic radial capacity of 23400 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 is ABEC-1 rated and comes with standard radial clearance, though other options like C3 or C4 are available.

This model is ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common. Weighing 1.52 lb, it’s robust yet manageable for its size.

Compliant with RoHS and REACH standards, it’s a reliable choice for replacements or new installations. The double-row design offers extra stability under demanding conditions.

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Product Parameters

  • Part Number 15103-15251D
  • Brand TFL
  • Size 1.0298" x 2.5" x 0.8125"
  • Bore Dia 1.0298"
  • 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 1.3"
  • 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 15103
  • 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 1.52 lb

Features

How Is 15103-15251D Bearing Engineered for Reliability?

15103-15251D 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 steel cage maintains roller alignment, reducing friction and extending service life.
With a standard radial clearance, it offers reliable performance in various applications.

What Makes 15103-15251D Bearing Suitable for High-Temperature Applications?

15103-15251D Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its chrome steel rollers and rings resist wear, ensuring consistent performance in demanding conditions.
The open design allows for easy lubrication, maintaining smooth operation.
This bearing is ideal for environments where temperature fluctuations are common.

Designed for Durability: 15103-15251D Bearing

15103-15251D Bearing is built with high-quality chrome steel for long-lasting performance.
Its double-row construction distributes loads evenly, reducing stress on individual components.
The precise tolerances ensure smooth operation and minimal vibration.
This bearing is a reliable choice for heavy-duty applications.

Steel vs Ceramic Bearings: Strengths of 15103-15251D Bearing

15103-15251D Bearing uses chrome steel for its rollers and rings, offering excellent strength and wear resistance.
The steel cage provides robust support, ensuring stable operation under heavy loads.
With a dynamic radial load capacity of 23,400 lbf, it outperforms many alternatives.
Its construction makes it a dependable choice for industrial applications.

Application

Industrial Uses of 15103-15251D Bearing
15103-15251D Bearing is commonly used in heavy machinery, such as 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 15103-15251D Bearing Used?
You’ll often find 15103-15251D Bearing in automotive applications like truck wheel hubs, where its tapered roller design provides stability under heavy loads. The inch sizing makes it a good fit for North American vehicle standards.

Built for Heavy-Duty Use: 15103-15251D Bearing
15103-15251D Bearing excels in industrial fans and pumps, where its open seal design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 15103-15251D Bearing
In automotive settings, 15103-15251D Bearing supports axles and transmissions, while in aerospace, it’s suited for auxiliary systems requiring precise load handling. Its ABEC-1 rating balances performance and cost for these applications.

Perfect Fit for Automation: 15103-15251D Bearing
15103-15251D Bearing works well in automated conveyor systems, where its double-row construction manages varying loads smoothly. The standard radial clearance ensures consistent performance without frequent adjustments.

Q&A

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