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

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

The 444-432DC is a two-row tapered roller bearing with a 1.5″ bore and 3.75″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads with a dynamic radial capacity of 49700 lbf and operates smoothly in temperatures from -30°C 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, gearboxes, or automotive systems where high radial and thrust loads are common. It meets RoHS and REACH standards, ensuring safe and reliable use.

Weighing 4.8 lb, it’s robust yet manageable for its size. The ABEC-1 rating ensures consistent performance, and standard radial clearance options (C3/C4/C5) offer flexibility for different needs.

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Product Parameters

  • Part Number 444-432DC
  • 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 432DC
  • 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

Performance Features of 444-432DC Bearing

444-432DC 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 heavy-duty applications.

The double-row tapered roller design enhances stability and load distribution.
This construction allows 444-432DC Bearing to handle both radial and thrust loads efficiently.

With a standard radial clearance, it provides consistent operation across various conditions.
The steel cage maintains roller alignment, reducing wear and extending service life.

444-432DC Bearing operates within a temperature range of -30° to 110°C.
Its robust design ensures durability even in demanding industrial environments.

Application

Industrial Uses of 444-432DC Bearing
The 444-432DC Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 444-432DC Bearing Used?
You’ll often find the 444-432DC Bearing in automotive applications like wheel hubs and differential systems, thanks to its ability to manage high dynamic radial loads. The inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 444-432DC Bearing
In industrial fans and pumps, the 444-432DC Bearing provides reliable performance due to its tapered roller design and open seal type. The steel cage adds extra strength for long-term use.

Automotive vs Aerospace: Applications of 444-432DC Bearing
While the 444-432DC Bearing excels in automotive systems like transmissions, it’s also suitable for aerospace ground support equipment. Its ABEC-1 rating ensures consistent performance in both fields.

Key Fields for 444-432DC Bearing
The 444-432DC Bearing is a solid choice for agricultural machinery, where its robust design handles uneven loads and harsh conditions. The standard radial clearance option makes it versatile for various setups.

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