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447-432DC TDO (Two-Row Double-Outer Race) (Imperial)

447-432DC TDO (Two-Row Double-Outer Race) (Imperial)

The 447-432DC is a double-row tapered roller bearing with a 1.625″ bore and 3.75″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 49700 lbf and is designed for long-lasting performance in demanding conditions.

Its open design allows for 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 environments.

This model features a standard radial clearance and is ABEC-1 rated for reliable precision. Ideal for heavy-duty applications like industrial gearboxes or vehicle axles where combined loads are common.

Weighing 4.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most mechanical setups.

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Product Parameters

  • Part Number 447-432DC
  • Brand TFL
  • Size 1.625" x 3.75" x 1.1772"
  • Bore Dia 1.625"
  • 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 2.17"
  • 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 447
  • 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 4.6 lb

Features

Performance Features of 447-432DC Bearing

447-432DC 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 distributes loads evenly, enhancing durability and reducing wear.
With a standard radial clearance, it provides smooth operation across various conditions.

447-432DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, contributing to long service life.

The open seal design allows for easy lubrication, ensuring consistent performance.
Weighing just 4.6 lb, it balances strength and practicality for industrial use.

Application

Industrial Uses of 447-432DC Bearing
447-432DC 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. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 447-432DC Bearing supports wheel hubs and differential systems, providing reliable performance under varying load conditions. Its inch sizing makes it a suitable choice for vehicles using imperial measurements.

For industrial automation, 447-432DC Bearing is ideal for robotic arms and conveyor systems, thanks to its open design and standard radial clearance. The steel cage enhances stability during high-speed operations.

Where Is 447-432DC Bearing Used?
447-432DC Bearing finds its place in agricultural machinery, particularly in tractors and harvesters, where its tapered roller design manages heavy loads smoothly. The ABEC-1 rating ensures consistent performance.

In material handling systems, 447-432DC Bearing is a reliable component for forklifts and cranes, offering excellent load-bearing capacity. The standard lubrication requirement simplifies maintenance routines.

Built for Heavy-Duty Use: 447-432DC Bearing
447-432DC Bearing is a go-to choice for railway applications, such as axle boxes, due to its robust construction and temperature resilience. The dynamic radial load capacity of 49700 lbf makes it highly dependable.

In marine equipment, 447-432DC Bearing performs well in propeller shafts and winches, where its corrosion-resistant materials extend service life. The open seal type allows for easy inspection and lubrication.

Automotive vs Aerospace: Applications of 447-432DC Bearing
In automotive settings, 447-432DC Bearing is often used in drivetrains, ensuring smooth power transmission. Its combined load capability suits high-torque environments.

For aerospace ground support equipment, 447-432DC Bearing provides reliable performance in load-bearing mechanisms. The inch measurements align with many standard aerospace components.

Q&A

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