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444-432D TDO (Two-Row Double-Outer Race) (Imperial)

444-432D TDO (Two-Row Double-Outer Race) (Imperial)

The 444-432D is a double-row tapered roller bearing with a 1.5″ bore and 3.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 49,700 lbf and suits applications requiring robust radial and thrust support.

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

With standard radial clearance and ABEC-1 precision, it’s a reliable choice for industrial machinery or heavy-duty equipment. Weighing 4.8 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance.

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Product Parameters

  • Part Number 444-432D
  • 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 2.05"
  • 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 444
  • 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 4.8 lb

Features

How Does 444-432D Bearing Handle Combined Loads?

444-432D Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 49,700 lbf, ensuring reliable performance in demanding conditions.
The double-row tapered roller design distributes loads evenly, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Why Choose 444-432D Bearing for Heavy-Duty Applications?

444-432D Bearing features a steel cage that keeps the rollers aligned, minimising friction and wear.
Its dynamic thrust rating of 3,600 lbf and radial rating of 12,900 lbf make it suitable for heavy-duty use.
The standard radial clearance ensures smooth operation, even under combined loads.
Designed for easy lubrication, it maintains performance over long periods.

Built for Reliability: 444-432D Bearing

444-432D Bearing’s double-row construction provides stability and load-bearing capacity.
The chrome steel rollers and rings enhance durability, even in harsh conditions.
With an ABEC-1 rating, it offers consistent precision for industrial applications.
Its open design allows for straightforward maintenance and lubrication.

Application

Industrial Uses of 444-432D Bearing
444-432D Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 444-432D Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a good fit for American and British vehicle models.

For industrial automation, 444-432D Bearing is ideal for conveyor systems and robotic arms, where precise movement and load capacity are essential. The open seal design allows for easy lubrication and maintenance.

Where Is 444-432D Bearing Used?
444-432D Bearing finds its place in agricultural machinery, particularly in tractors and harvesters, where its tapered roller design manages heavy loads smoothly. The standard radial clearance ensures consistent operation over time.

In material handling equipment, 444-432D Bearing supports pulley systems and lifting mechanisms, offering stability and longevity. The steel cage adds extra strength to withstand frequent use.

Built for Heavy-Duty Use: 444-432D Bearing
444-432D Bearing is a go-to choice for railway applications, such as axle boxes, where its combined load capacity and temperature resistance are crucial. The ABEC-1 rating ensures reliable precision.

In forestry equipment, 444-432D Bearing handles the demanding conditions of log loaders and chippers. Its robust design and easy lubrication make it suitable for high-stress environments.

Automotive vs Aerospace: Applications of 444-432D Bearing
In automotive settings, 444-432D Bearing is often found in truck transmissions, where its two-row design manages high torque. The inch measurements align with standard automotive parts.

For aerospace ground equipment, 444-432D Bearing supports landing gear testing rigs, offering precise load handling. The chrome steel rollers ensure minimal wear during repeated use.

Q&A

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