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44131-44363D TDO (Two-Row Double-Outer Race) (Imperial)

44131-44363D TDO (Two-Row Double-Outer Race) (Imperial)

The 44131-44363D is a two-row tapered roller bearing with a 1.3125″ bore and 3.625″ outer diameter, built from sturdy chrome steel. It handles combined loads well, with a dynamic radial load capacity of 39,100 lbf and smooth operation up to 110°C.

Its double-row design provides extra stability, while the open seal allows for easy lubrication. The steel cage ensures durability, making it suitable for heavy-duty applications.

This bearing is ideal for industrial machinery or automotive systems where high radial and thrust loads are common. It comes in standard radial clearance but is also available in C3, C4, or C5 options.

Weighing 3.83 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 44131-44363D
  • Brand TFL
  • Size 1.3125" x 3.625" x 0.933"
  • Bore Dia 1.3125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.625"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.5625"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.933"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.1875"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.06"
  • Cone Backface Backing Diameter 2.01"
  • Cup Frontface Backing Diameter 3.39"
  • Cage Cone Backface Clearance 0.12"
  • Dynamic Radial Load 39100 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 44131
  • Cup Part Number 44363D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 44000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 5810 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 7770 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 10100 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 3.83 lb

Features

Why Choose 44131-44363D Bearing for Combined Loads?

44131-44363D Bearing features a double-row tapered roller design, ideal for handling both radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 39,100 lbf.
The open seal type allows for easy lubrication, maintaining smooth operation in various conditions.
With a temperature range of -30° to 110°C, it performs reliably in diverse environments.

How Is 44131-44363D Bearing Engineered for Reliability?

44131-44363D Bearing’s double-row design provides stability under heavy combined loads.
The chrome steel rollers and rings enhance wear resistance, extending the bearing’s service life.
Its standard radial clearance ensures consistent performance, suitable for ABEC-1 applications.
The steel cage maintains roller alignment, reducing friction and improving efficiency.

Built for Durability: 44131-44363D Bearing

44131-44363D Bearing is constructed with high-quality chrome steel, offering excellent strength and longevity.
Its tapered roller design efficiently distributes loads, minimising stress on individual components.
The bearing’s open design simplifies maintenance, ensuring long-term reliability.
With a weight of 3.83 lb, it balances robustness and practicality for industrial use.

Application

Industrial Uses of 44131-44363D Bearing
The 44131-44363D Bearing is commonly used in heavy machinery, such as construction equipment and mining conveyors, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability in harsh environments, while the open seal type allows for easy lubrication and maintenance.

Where Is 44131-44363D Bearing Used?
You’ll often find the 44131-44363D Bearing in automotive applications like truck wheel hubs, where its tapered roller design provides stability under heavy loads.
The inch sizing makes it a practical choice for North American machinery, ensuring compatibility with standard imperial components.

Built for Heavy-Duty Use: 44131-44363D Bearing
This bearing excels in industrial gearboxes, where its high dynamic radial load capacity keeps operations smooth under constant stress.
The steel cage and chrome steel rollers offer reliable performance, even in high-temperature environments up to 110°C.

Automotive vs Aerospace: Applications of 44131-44363D Bearing
In automotive systems, the 44131-44363D Bearing supports heavy axles and drivetrains, thanks to its robust tapered roller design.
For aerospace ground equipment, its precision and load-handling capabilities make it suitable for landing gear testing rigs and other high-stress applications.

Essential Roles of 44131-44363D Bearing
The 44131-44363D Bearing is a go-to choice for agricultural machinery, such as combine harvesters, where its durability withstands dusty and high-load conditions.
Its standard radial clearance and ABEC-1 rating ensure consistent performance without the need for frequent adjustments.

Q&A

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