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

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

The 497A-493DC is a two-row tapered roller bearing with a 3.375″ bore and 5.375″ outer diameter, built from sturdy chrome steel. It handles combined loads with a dynamic radial capacity of 60,500 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its double-row design offers 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 meets RoHS and REACH standards, ensuring safe and reliable performance.

Weighing 7.23 lb, it’s robust yet manageable for its size. The standard radial clearance can be adjusted to C3, C4, or C5 for specific needs.

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Product Parameters

  • Part Number 497A-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 4.13"
  • 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 497A
  • 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 7.23 lb

Features

Why Choose 497A-493DC Bearing for Combined Loads?

497A-493DC Bearing is designed with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 60,500 lbf, ensuring reliable performance in demanding applications.
The double-row tapered roller design enhances stability and load distribution.
With a temperature range of -30° to 110°C, it performs well in various conditions.

How Is 497A-493DC Bearing Engineered for Reliability?

497A-493DC Bearing features a steel cage that keeps the rollers aligned, reducing wear and extending service life.
The chrome steel construction provides durability and resistance to heavy loads.
Its standard radial clearance ensures smooth operation in diverse applications.
The open seal design allows for easy lubrication and maintenance.

Performance Features of 497A-493DC Bearing

497A-493DC Bearing’s double-row design increases its dynamic radial rating to 15,700 lbf for two rows.
The tapered rollers ensure efficient load distribution, reducing stress on individual components.
With an ABEC-1 rating, it offers precision and reliability for industrial use.
The bearing’s construction meets RoHS and REACH compliance standards.

Built for Durability: 497A-493DC Bearing

497A-493DC Bearing’s chrome steel rollers and rings provide long-lasting performance under heavy loads.
The steel cage maintains roller alignment, ensuring consistent operation over time.
Its wide temperature range makes it suitable for various environments.
The open design simplifies lubrication, reducing maintenance efforts.

What Ensures Smooth Operation in 497A-493DC Bearing?

497A-493DC Bearing’s tapered roller design minimises friction, promoting smooth and efficient rotation.
The chrome steel materials resist wear, maintaining performance even under stress.
Standard radial clearance options allow for flexibility in different applications.
Its compliance with RoHS and REACH standards ensures environmental safety.

Application

Industrial Uses of 497A-493DC Bearing
497A-493DC Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 497A-493DC Bearing supports axle systems and wheel hubs, providing reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 497A-493DC Bearing’s tapered roller design offers smooth operation and long service life. The open seal type allows for easy lubrication, reducing maintenance downtime.

Where Is 497A-493DC Bearing Used?
497A-493DC Bearing is ideal for agricultural machinery, such as tractors and harvesters, where its robust design withstands heavy loads and harsh environments. The steel cage adds extra strength and stability.

In material handling equipment, 497A-493DC Bearing ensures reliable performance in forklifts and cranes. Its standard radial clearance makes it versatile for various operational conditions.

Built for Heavy-Duty Use: 497A-493DC Bearing
497A-493DC Bearing excels in railway applications, particularly in bogie systems, where its combined load capacity is essential. The tapered rollers provide smooth rotation even under high stress.

For wind turbine systems, 497A-493DC Bearing’s durability and load-handling capabilities make it a trusted choice. Its temperature range allows for consistent performance in varying climates.

Automotive vs Aerospace: Applications of 497A-493DC Bearing
In automotive settings, 497A-493DC Bearing is often found in drivetrain components, offering reliable performance under continuous use. The inch measurements ensure easy integration with existing systems.

For aerospace ground support equipment, 497A-493DC Bearing provides precision and durability. Its ABEC-1 rating ensures adequate performance for non-critical aerospace applications.

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