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495A-493D TDO (Two-Row Double-Outer Race) (Imperial)

495A-493D TDO (Two-Row Double-Outer Race) (Imperial)

The 495A-493D is a double-row tapered roller bearing with a 3″ bore and 5.375″ outer diameter, built from sturdy chrome steel for heavy-duty use. It handles combined loads up to 60500 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows easy lubrication, while the steel cage ensures durability under high stress. The double-row construction provides extra stability, making it suitable for demanding applications.

This bearing is ideal for industrial machinery, gearboxes, or heavy equipment where both radial and thrust loads are present. It comes with standard radial clearance but is also available in C3, C4, or C5 options for different needs.

Weighing 8.62 lb, it’s a robust choice for imperial-sized systems. Compliant with RoHS and REACH standards, it meets ABEC-1 precision requirements.

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Product Parameters

  • Part Number 495A-493D
  • Brand TFL
  • Size 3" x 5.3750" x 1.172"
  • Bore Dia 3"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.3750"
  • 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 3.62"
  • 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 495A
  • 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 8.62 lb

Features

How Is 495A-493D Bearing Engineered for Reliability?

495A-493D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 60,500 lbf.
The steel cage maintains roller alignment, reducing wear and extending operational life.
With a standard radial clearance, it offers reliable performance across a temperature range of -30° to 110°C.

What Makes 495A-493D Bearing Suitable for High-Temperature Applications?

495A-493D Bearing is built with chrome steel rings and rollers, capable of withstanding temperatures up to 110°C.
Its robust design ensures stable performance even in demanding industrial environments.
The double-row configuration enhances load distribution, reducing heat buildup.
This makes it a dependable choice for applications requiring consistent operation under thermal stress.

Designed for Durability: 495A-493D Bearing

495A-493D Bearing’s tapered roller design and chrome steel components ensure long-lasting performance.
It handles dynamic radial loads up to 60,500 lbf, making it suitable for heavy-duty applications.
The steel cage provides stability, minimising wear and maintenance needs.
With standard radial clearance options, it adapts to various operational requirements.

Steel vs Ceramic Bearings: Strengths of 495A-493D Bearing

495A-493D Bearing uses high-quality chrome steel for both rollers and rings, offering excellent strength and wear resistance.
Its double-row tapered design efficiently manages combined radial and thrust loads.
The steel cage ensures smooth roller movement, enhancing reliability.
This construction makes it a cost-effective and durable choice for industrial applications.

Application

Industrial Uses of 495A-493D Bearing
The 495A-493D 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 effectively.
Its chrome steel construction ensures durability in demanding environments, making it a reliable choice for long-term use.

Where Is 495A-493D Bearing Used?
You’ll often find the 495A-493D Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides stability under heavy loads.
The open seal type allows for easy lubrication, which is essential in dusty or high-wear conditions.

Built for Heavy-Duty Use: 495A-493D Bearing
The 495A-493D Bearing excels in industrial gearboxes, where its high dynamic radial load capacity ensures smooth operation.
Its inch sizing makes it compatible with a wide range of North American machinery, simplifying replacements.

Automotive vs Aerospace: Applications of 495A-493D Bearing
In automotive applications, the 495A-493D Bearing supports heavy-duty axles and drivetrains, thanks to its robust construction.
For aerospace ground equipment, its precision and reliability make it suitable for handling high loads during maintenance operations.

Q&A

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