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

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

The 497A-493D 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 up to 15700 lbf radially and 6850 lbf thrust, making it a robust choice 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 and is ABEC-1 rated for reliable performance. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 7.23 lb, it’s a solid yet manageable size for its capacity. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 497A-493D
  • 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 493D
  • 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

Performance Features of 497A-493D Bearing

497A-493D Bearing is built 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 conditions.

The double-row tapered roller design provides stability and even load distribution.
This construction enhances durability while maintaining smooth operation under heavy stress.

497A-493D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options allow flexibility for various applications.

With a weight of 7.23 lb, it balances strength and practicality.
The open design simplifies lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 497A-493D Bearing
497A-493D Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles both radial and thrust loads efficiently. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 497A-493D Bearing supports wheel hubs and differential systems, providing reliable performance under combined loads. Its inch sizing makes it a good fit for American-made vehicles.

For industrial conveyor systems, 497A-493D Bearing’s tapered roller design offers smooth operation even under high radial stress. The open seal type allows for easy lubrication, extending service life.

Where Is 497A-493D Bearing Used?
You’ll find 497A-493D Bearing in agricultural machinery, where its robust design withstands dirt and debris. The steel cage adds extra strength for rough conditions.

It’s also a go-to choice for mining equipment, thanks to its ability to handle heavy loads. The standard radial clearance ensures consistent performance over time.

Built for Heavy-Duty Use: 497A-493D Bearing
497A-493D Bearing excels in forestry equipment, where its tapered rollers manage uneven loads effortlessly. The chrome steel rollers resist wear, even in gritty conditions.

In material handling systems, this bearing’s double-row setup provides stability under constant use. The ABEC-1 rating ensures reliable precision for most industrial needs.

Automotive vs Aerospace: Applications of 497A-493D Bearing
In trucks and buses, 497A-493D Bearing handles the heavy loads of drivetrains and axles. Its inch measurements align with standard automotive parts.

For ground support equipment in aerospace, this bearing offers dependable performance without the need for high-precision tolerances. The steel cage keeps things simple and sturdy.

Q&A

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