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495XA-493DC TDO (Two-Row Double-Outer Race) (Imperial)

495XA-493DC TDO (Two-Row Double-Outer Race) (Imperial)

The 495XA-493DC is a double-row tapered roller bearing with a 3.25″ bore and 5.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 60,500 lbf and is designed for long-lasting performance.

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

This model is part of the 495 series and comes with standard radial clearance. Ideal for heavy-duty applications like industrial gearboxes or construction equipment where high radial and thrust loads are common.

Weighing 7.62 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 495XA-493DC
  • Brand TFL
  • Size 3.25" x 5.375" x 1.172"
  • Bore Dia 3.25"
  • 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 4.09"
  • 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 495XA
  • 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 7.62 lb

Features

How Is 495XA-493DC Bearing Engineered for Reliability?

495XA-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.
With a dynamic radial load capacity of 60,500 lbf, it handles heavy-duty tasks with ease.
The standard radial clearance and ABEC-1 rating offer reliable performance across various conditions.

What Makes 495XA-493DC Bearing Suitable for High-Temperature Applications?

495XA-493DC Bearing operates efficiently in temperatures ranging from -30° to 110°C, making it versatile for different environments.
The chrome steel rollers and rings maintain structural integrity under thermal stress.
Its open seal design allows for easy lubrication, ensuring smooth operation even in high-heat scenarios.
This bearing is ideal for industrial machinery exposed to fluctuating temperatures.

Built for Durability: 495XA-493DC Bearing

495XA-493DC Bearing’s double-row construction distributes loads evenly, reducing stress on individual components.
The steel cage keeps rollers aligned, minimising friction and extending service life.
Its precise tolerances, such as the bore dia tolerance of +0.001″ to 0, ensure consistent performance.
This bearing is a reliable choice for heavy machinery and automotive applications.

Steel vs Ceramic Bearings: Strengths of 495XA-493DC Bearing

495XA-493DC Bearing uses chrome steel for both rollers and rings, offering excellent strength and wear resistance.
Unlike ceramic bearings, it provides superior load-bearing capacity, with a dynamic radial rating of 15,700 lbf for two rows.
The steel cage enhances durability, making it suitable for high-load scenarios.
Its construction ensures long-term reliability without the brittleness associated with ceramic options.

Application

Industrial Uses of 495XA-493DC Bearing
The 495XA-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 effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 495XA-493DC Bearing Used?
You’ll often find the 495XA-493DC Bearing in agricultural machinery, like tractors and harvesters, where its robust build withstands rough terrain and heavy loads. The open seal design allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 495XA-493DC Bearing
In automotive applications, the 495XA-493DC Bearing supports wheel hubs and differential systems, providing reliable performance under high stress. Its inch sizing makes it a fit for many North American vehicle models.

Automotive vs Aerospace: Applications of 495XA-493DC Bearing
While the 495XA-493DC Bearing excels in automotive systems, it’s also suitable for aerospace ground support equipment, where precision and load capacity are key. The tapered roller design ensures smooth operation in both scenarios.

Practical Applications of 495XA-493DC Bearing
For industrial fans and pumps, the 495XA-493DC Bearing offers stability and longevity, even in continuous operation. Its standard radial clearance makes it versatile for various machinery setups.

Q&A

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