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499A-493DC TDO (Two-Row Double-Outer Race) (Imperial)

499A-493DC TDO (Two-Row Double-Outer Race) (Imperial)

The 499A-493DC is a double-row tapered roller bearing with a 3.3455″ bore and 5.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 15700 lbf radially and 6850 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model features standard radial clearance, with options for C3, C4, or C5 if needed. It’s ABEC-1 rated, offering reliable precision for industrial use.

Ideal for machinery with combined radial and thrust loads, such as gearboxes or large vehicles. Weighing 7.47 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards.

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Product Parameters

  • Part Number 499A-493DC
  • Brand TFL
  • Size 3.3455" x 5.375" x 1.172"
  • Bore Dia 3.3455"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.375"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.172"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.75"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 3.86"
  • Cup Frontface Backing Diameter 5.16"
  • Cage Cone Backface Clearance 0.07"
  • Dynamic Radial Load 60500 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 499A
  • Cup Part Number 493DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 495
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 9000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 6850 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 15700 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 7.47 lb

Features

Engineered for Reliability: 499A-493DC Bearing

499A-493DC Bearing features a double-row tapered roller design, providing excellent load distribution for combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

With a dynamic radial load capacity of 60,500 lbf, 499A-493DC Bearing handles heavy-duty operations with ease.
The standard radial clearance offers flexibility for various industrial requirements.

499A-493DC Bearing operates efficiently within a temperature range of -30° to 110°C, suitable for diverse environments.
Its steel cage maintains roller alignment, contributing to smooth and reliable performance.

Designed for easy lubrication, 499A-493DC Bearing reduces maintenance needs while ensuring long service life.
The ABEC-1 rating guarantees consistent precision in industrial applications.

Application

Industrial Uses of 499A-493DC Bearing
The 499A-493DC 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, making it a reliable choice for long-term use.

Where Is 499A-493DC Bearing Used?
You’ll often find the 499A-493DC Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides stability under heavy loads.
The inch sizing makes it compatible with many North American industrial applications, offering versatility across different equipment types.

Built for Heavy-Duty Use: 499A-493DC Bearing
The 499A-493DC Bearing excels in automotive applications, particularly in truck wheel hubs, where its high dynamic radial load capacity ensures smooth performance.
Its open design allows for easy lubrication, which is essential for maintaining efficiency in high-mileage vehicles.

Automotive vs Aerospace: Applications of 499A-493DC Bearing
In automotive settings, the 499A-493DC Bearing supports heavy-duty axles and transmissions, thanks to its robust tapered roller construction.
While not typically used in aerospace, its precision and load capacity make it suitable for ground support equipment and other industrial uses.

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