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47490-47420D TDO (Two-Row Double-Outer Race) (Imperial)

47490-47420D TDO (Two-Row Double-Outer Race) (Imperial)

The 47490-47420D is a two-row tapered roller bearing with a 2.8125″ bore and 4.7244″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 70000 lbf and works well 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 is also available in C3, C4, or C5 options.

Weighing 6.54 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements or new installations.

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Product Parameters

  • Part Number 47490-47420D
  • Brand TFL
  • Size 2.8125" x 4.7244" x 1.2813"
  • Bore Dia 2.8125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.7244"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.3125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.2813"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.8124"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 3.39"
  • Cup Frontface Backing Diameter 4.53"
  • Cage Cone Backface Clearance 0.07"
  • Dynamic Radial Load 70000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 47490
  • Cup Part Number 47420D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 47400
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 10400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 6420 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 18100 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 6.54 lb

Features

Performance Features of 47490-47420D Bearing

47490-47420D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 70,000 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design distributes loads evenly, reducing wear and extending service life.
With a standard radial clearance, it provides smooth operation across various conditions.

47490-47420D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, enhancing durability and reducing maintenance needs.

The open seal design allows for easy lubrication, ensuring consistent performance.
Weighing 6.54 lb, it balances strength and practicality for industrial use.

Application

Industrial Uses of 47490-47420D Bearing
The 47490-47420D Bearing is commonly used in heavy machinery like construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability even in demanding environments, making it a reliable choice for long-term use.

What Makes 47490-47420D Bearing a Preferred Choice?
In automotive applications, 47490-47420D Bearing supports wheel hubs and differential systems, providing smooth performance under varying loads.
The inch sizing makes it compatible with many North American vehicle models, simplifying maintenance and replacements.

Built for Heavy-Duty Use: 47490-47420D Bearing
This bearing excels in industrial gearboxes and conveyor systems, where its tapered roller design manages high dynamic radial loads.
The open seal type allows for easy lubrication, extending its service life in continuous operation scenarios.

Automotive vs Aerospace: Applications of 47490-47420D Bearing
In automotive settings, 47490-47420D Bearing is ideal for axles and transmissions, offering robust performance.
For aerospace ground equipment, its precision and load capacity ensure reliable operation in support machinery.

Perfect Fit for Automation: 47490-47420D Bearing
The 47490-47420D Bearing is well-suited for robotic arms and automated assembly lines, where consistent performance is key.
Its standard radial clearance and ABEC-1 rating provide a balance of precision and durability for industrial automation needs.

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