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28138-28318D TDO (Two-Row Double-Outer Race) (Imperial)

28138-28318D TDO (Two-Row Double-Outer Race) (Imperial)

The 28138-28318D is a double-row tapered roller bearing with a 1.377″ bore and 3.151″ outer diameter, crafted from sturdy chrome steel. It handles combined loads, supporting up to 24800 lbf radial load and spins reliably in demanding conditions.

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

This model is part of the 28000 series, featuring standard cups and ABEC-1 precision. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 2.25 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.

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Product Parameters

  • Part Number 28138-28318D
  • Brand TFL
  • Size 1.377" x 3.151" x 0.8244"
  • Bore Dia 1.377"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.151"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.375"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.8244"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 1.8126"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 1.71"
  • Cup Frontface Backing Diameter 2.91"
  • Cage Cone Backface Clearance 0.06"
  • Dynamic Radial Load 24800 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 28138
  • Cup Part Number 28318D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 28000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 3700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 2550 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 6440 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 2.25 lb

Features

How Is 28138-28318D Bearing Engineered for Reliability?

28138-28318D Bearing features a double-row tapered roller design, providing robust support for combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 24,800 lbf, making it suitable for heavy-duty machinery.
Precision tolerances in its dimensions guarantee consistent performance and easy installation.

28138-28318D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options offer flexibility for various operational requirements.

With a steel cage for roller alignment, this bearing reduces friction and extends service life.
Regular lubrication ensures smooth operation and maintains its reliability over time.

Application

Industrial Uses of 28138-28318D Bearing
The 28138-28318D Bearing is commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where its double-row design handles combined loads effectively.
Its chrome steel construction ensures durability even in demanding environments, making it a reliable choice for long-term use.

Where Is 28138-28318D Bearing Used?
You’ll often find the 28138-28318D Bearing in automotive applications like truck wheel hubs, where its tapered roller design supports both radial and thrust loads.
The inch sizing makes it compatible with many North American vehicle models, simplifying maintenance and replacements.

Built for Heavy-Duty Use: 28138-28318D Bearing
This bearing excels in industrial gearboxes, where its robust construction and standard radial clearance provide smooth operation under heavy loads.
The open seal type allows for easy lubrication, ensuring consistent performance over time.

Automotive vs Aerospace: Applications of 28138-28318D Bearing
In automotive settings, the 28138-28318D Bearing is ideal for axles and differentials, thanks to its combined load capacity.
While not typically used in aerospace, its precision and reliability make it suitable for other high-performance machinery.

Key Fields for 28138-28318D Bearing
The 28138-28318D Bearing is a go-to choice for mining equipment, where its tapered rollers handle harsh conditions effortlessly.
Its steel cage and chrome steel rollers offer a balance of strength and wear resistance, reducing downtime.

Q&A

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