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46790A-46721D TDO (Two-Row Double-Outer Race) (Imperial)

46790A-46721D TDO (Two-Row Double-Outer Race) (Imperial)

The 46790A-46721D is a double-row tapered roller bearing with a 6.5″ bore and 8.875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 119,000 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 suitable 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 machinery or vehicle axles where combined loads are common.

Weighing 21.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for replacements or new installations.

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Product Parameters

  • Part Number 46790A-46721D
  • Brand TFL
  • Size 6.5" x 8.875" x 1.5625"
  • Bore Dia 6.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 8.875"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 3"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.5625"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.625"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 7.44"
  • Cup Frontface Backing Diameter 8.62"
  • Cage Cone Backface Clearance 0.13"
  • Dynamic Radial Load 119000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 46790A
  • Cup Part Number 46721D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 46700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 17700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 11600 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 30800 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 21.2 lb

Features

Performance Features of 46790A-46721D Bearing

46790A-46721D Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 119,000 lbf, making it suitable for heavy-duty applications.
The double-row tapered roller design ensures stability and efficient load distribution.
With a standard radial clearance, it provides reliable operation in various conditions.

How Does 46790A-46721D Bearing Resist Wear?

46790A-46721D Bearing’s chrome steel construction enhances its resistance to wear and extends its service life.
The steel cage maintains proper roller alignment, reducing friction and preventing premature failure.
Its tapered roller design efficiently handles both radial and thrust loads.
This design ensures consistent performance even in demanding environments.

Engineered for Precision: 46790A-46721D Bearing

46790A-46721D Bearing features precise tolerances, ensuring smooth and accurate operation.
The double-row configuration provides superior load-carrying capacity and stability.
Its open design allows for easy lubrication, maintaining optimal performance.
With an ABEC-1 rating, it meets high standards for precision and reliability.

Application

Industrial Uses of 46790A-46721D Bearing
The 46790A-46721D 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 efficiently. Its chrome steel construction ensures durability in demanding environments.

Where Is 46790A-46721D Bearing Used?
You’ll find the 46790A-46721D Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a reliable choice for North American industrial applications.

Built for Heavy-Duty Use: 46790A-46721D Bearing
In conveyor systems, the 46790A-46721D Bearing provides smooth operation under high loads, thanks to its tapered roller design. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 46790A-46721D Bearing
In automotive applications, the 46790A-46721D Bearing is often used in truck wheel hubs, while in aerospace, it supports landing gear mechanisms. Its ABEC-1 rating ensures consistent performance in both fields.

Perfect Fit for Automation: 46790A-46721D Bearing
The 46790A-46721D Bearing works well in automated assembly lines, where its combined load capacity and standard radial clearance ensure reliable operation. Its steel cage adds stability during high-speed rotations.

Q&A

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