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497-493DC TDO (Two-Row Double-Outer Race) (Imperial)

497-493DC TDO (Two-Row Double-Outer Race) (Imperial)

The 497-493DC is a double-row tapered roller bearing with a 3.375″ bore and 5.375″ outer diameter, built from sturdy chrome steel. It handles combined loads well, with a dynamic radial load capacity of 60500 lbf and a two-row dynamic radial rating of 15700 lbf.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, making it versatile for various conditions.

This model is part of the 495 series and meets ABEC-1 standards. It’s ideal for heavy-duty applications like industrial machinery or vehicle axles where combined loads are common.

Weighing 7.37 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH regulations, it’s a reliable choice for replacements or new installations.

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Product Parameters

  • Part Number 497-493DC
  • Brand TFL
  • Size 3.375" x 5.375" x 1.172"
  • Bore Dia 3.375"
  • 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 3.9"
  • 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 497
  • 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 7.37 lb

Features

How Is 497-493DC Bearing Engineered for Reliability?

497-493DC Bearing features a double-row tapered roller design, providing robust support for combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 60,500 lbf, making it suitable for heavy-duty machinery.
Precision tolerances on bore and outer diameters ensure a secure fit and smooth operation.

With a temperature range of -30° to 110°C, 497-493DC Bearing performs reliably in varied environments.
Its steel cage maintains roller alignment, reducing friction and extending service life.

Designed for easy lubrication, 497-493DC Bearing minimises maintenance needs while maximising efficiency.
The standard radial clearance option offers flexibility for different operational requirements.

Application

Industrial Uses of 497-493DC Bearing
497-493DC 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 efficiently. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 497-493DC Bearing supports wheel hubs and drivetrain components, providing reliable performance under high stress. Its inch sizing makes it a preferred choice for American and British vehicle models.

For industrial automation, 497-493DC Bearing’s open design allows for easy lubrication, maintaining smooth operation in conveyor systems and robotic arms. The steel cage adds stability during high-speed rotations.

Where Is 497-493DC Bearing Used?
You’ll often find 497-493DC Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design manages heavy loads effortlessly. The standard radial clearance ensures consistent performance over time.

In material handling systems, 497-493DC Bearing’s robust construction makes it ideal for forklifts and cranes. The double-row configuration distributes loads evenly, reducing wear and tear.

Built for Heavy-Duty Use: 497-493DC Bearing
497-493DC Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its high dynamic radial load capacity. The open seal type simplifies maintenance in dusty conditions.

For railway applications, 497-493DC Bearing’s combined load handling makes it suitable for axle boxes and bogies. The ABEC-1 rating ensures reliable precision even under constant vibration.

Automotive vs Aerospace: Applications of 497-493DC Bearing
In automotive settings, 497-493DC Bearing is trusted for differential systems, where its tapered rollers handle varying torque demands. The inch measurements align with standard repair parts.

For aerospace ground support, 497-493DC Bearing’s temperature range (-30° to 110°C) suits equipment like aircraft tugs. Its steel cage withstands frequent load changes without compromising performance.

Q&A

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