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441-432D TDO (Two-Row Double-Outer Race) (Imperial)

441-432D TDO (Two-Row Double-Outer Race) (Imperial)

The 441-432D is a two-row tapered roller bearing with a 1.378″ bore and 3.75″ outer diameter, built from sturdy chrome steel. It handles combined loads with a dynamic radial capacity of 49,700 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 or vehicle axles where high radial and thrust loads are common. It comes in standard radial clearance but can also be ordered in C3, C4, or C5 options.

Weighing 4.99 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards, it offers reliable performance with proper maintenance.

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Product Parameters

  • Part Number 441-432D
  • Brand TFL
  • Size 1.378" x 3.75" x 1.1772"
  • Bore Dia 1.378"
  • 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 1.97"
  • 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 441
  • 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 4.99 lb

Features

Performance Features of 441-432D Bearing

441-432D 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 heavy-duty applications.

The double-row tapered roller design distributes loads evenly, enhancing durability and reducing wear.
With a standard radial clearance, it provides flexibility for various operational needs.

441-432D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, contributing to smooth and consistent performance.

The open seal design allows for easy lubrication, ensuring long service life.
This bearing is ideal for applications requiring high load capacity and reliability.

Application

Industrial Uses of 441-432D Bearing
441-432D 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 effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 441-432D Bearing Used?
You’ll often find 441-432D Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides reliable performance under varying loads. The open seal type allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 441-432D Bearing
441-432D Bearing excels in industrial gearboxes, offering stable operation even under high dynamic radial loads. Its inch sizing makes it a preferred choice for machinery requiring imperial measurements.

Automotive vs Aerospace: Applications of 441-432D Bearing
In automotive applications, 441-432D Bearing supports wheel hubs and differential systems, thanks to its robust tapered roller design. For aerospace, it’s less common but can be found in ground support equipment.

Essential Roles of 441-432D Bearing
441-432D Bearing is vital in conveyor systems, where its double-row construction manages heavy loads smoothly. The steel cage adds strength, making it suitable for continuous operation in factories.

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