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

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

The 497P-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 up to 71600 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing comes in standard radial clearance, with options for C3, C4, or C5 if needed.

This model is part of the 495 series, offering reliable performance for heavy-duty applications. Ideal for 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 standards for safe use.

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Product Parameters

  • Part Number 497P-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 71600 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 497P
  • 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) 10700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 8120 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 18600 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 497P-493DC Bearing Engineered for Reliability?

497P-493DC Bearing features a double-row tapered roller design, providing excellent load distribution and stability.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.
The bearing’s dynamic radial load capacity of 71,600 lbf makes it suitable for heavy-duty machinery.
With a standard radial clearance option, it offers flexibility for various operational needs.

What Makes 497P-493DC Bearing Suitable for High-Temperature Applications?

497P-493DC Bearing operates reliably in temperatures ranging from -30° to 110°C, maintaining performance under thermal stress.
The chrome steel rollers and rings enhance its resistance to heat-induced wear.
Its open design allows for effective lubrication, further improving high-temperature performance.
This makes it ideal for industrial environments with fluctuating temperature conditions.

Designed for Durability: 497P-493DC Bearing

497P-493DC Bearing is built with high-quality chrome steel for both rings and rollers, ensuring long-lasting performance.
Its double-row construction provides balanced load handling, reducing stress on individual components.
The steel cage maintains roller alignment, preventing premature wear.
With a weight of 7.37 lb, it offers robust construction without unnecessary bulk.

Steel vs Ceramic Bearings: Strengths of 497P-493DC Bearing

497P-493DC Bearing uses chrome steel for its rollers and rings, offering a cost-effective yet durable solution.
The material provides excellent resistance to heavy loads and high temperatures.
Its steel cage ensures reliable roller positioning, enhancing overall stability.
This makes it a practical choice for applications where ceramic bearings may be over-specified.

Application

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

What Makes 497P-493DC Bearing a Preferred Choice?
In automotive applications, 497P-493DC Bearing supports wheel hubs and differential systems, providing reliable performance under high stress. Its inch sizing makes it ideal for American-made vehicles and industrial equipment.

Built for Heavy-Duty Use: 497P-493DC Bearing
For conveyor systems and material handling equipment, 497P-493DC Bearing offers smooth operation and long service life. The open seal design allows for easy lubrication, reducing maintenance downtime.

Automotive vs Aerospace: Applications of 497P-493DC Bearing
While 497P-493DC Bearing is popular in trucks and off-road vehicles for its load capacity, it’s also found in aerospace ground support equipment. The standard radial clearance ensures versatility across different applications.

Where Is 497P-493DC Bearing Used?
In agricultural machinery, 497P-493DC Bearing withstands harsh environments like dust and moisture. Its steel cage and chrome steel rollers provide excellent resistance to wear and corrosion.

Q&A

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