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440-432D TDO (Two-Row Double-Outer Race) (Imperial)

440-432D TDO (Two-Row Double-Outer Race) (Imperial)

The 440-432D is a double-row tapered roller bearing with a 1.5″ bore and 3.75″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 49,700 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 model is part of the 435 series, with standard radial clearance and ABEC-1 precision. Ideal for heavy-duty applications like industrial gearboxes or vehicle axles where both radial and thrust loads are present.

Weighing 4.83 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 440-432D
  • Brand TFL
  • Size 1.5" x 3.75" x 1.1772"
  • Bore Dia 1.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.75"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.1772"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.4376"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 1.83"
  • Cup Frontface Backing Diameter 3.46"
  • Cage Cone Backface Clearance 0.04"
  • Dynamic Radial Load 49700 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 440
  • Cup Part Number 432D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 435
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 7400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3600 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 12900 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 4.83 lb

Features

Performance Features of 440-432D Bearing

440-432D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 49,700 lbf, ensuring reliable performance in demanding applications.

The double-row tapered roller design of 440-432D Bearing provides stability under heavy loads.
With a standard radial clearance, it balances durability and precision in various operating conditions.

440-432D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The open design of 440-432D Bearing simplifies lubrication and maintenance.
It meets ABEC-1 standards, ensuring consistent performance in industrial applications.

Application

Industrial Uses of 440-432D Bearing
440-432D Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 440-432D Bearing supports axle systems and wheel hubs, providing reliable performance under both radial and thrust loads. Its inch sizing makes it a good fit for American and British vehicle models.

For industrial automation, 440-432D Bearing works well in conveyor systems and robotic arms, where its open design allows for easy lubrication. The standard radial clearance offers flexibility in various operational settings.

Where Is 440-432D Bearing Used?
440-432D Bearing finds its place in agricultural machinery, particularly in tractors and harvesters, due to its ability to withstand heavy loads. The tapered roller design ensures smooth rotation even in dusty environments.

In material handling equipment, 440-432D Bearing is ideal for forklifts and cranes, where its dynamic radial load capacity is crucial. The steel cage adds to its longevity in high-stress scenarios.

Built for Heavy-Duty Use: 440-432D Bearing
440-432D Bearing excels in railway applications, such as freight car axles, where its combined load capacity is essential. The ABEC-1 rating ensures consistent performance at moderate speeds.

For power transmission systems, 440-432D Bearing supports gearboxes and driveshafts, offering reliable operation. Its temperature range makes it suitable for both hot and cold environments.

Automotive vs Aerospace: Applications of 440-432D Bearing
In automotive settings, 440-432D Bearing is often found in heavy-duty trucks, handling both radial and thrust loads efficiently. The inch measurements align well with standard automotive components.

While not typically used in aerospace, 440-432D Bearing could be suitable for ground support equipment, where its durability and load capacity are beneficial. The open seal type allows for easy maintenance.

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