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

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

The 495-493DC 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 in demanding conditions.

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

This model is part of the 495 series, featuring standard cups and a double-row construction for added durability. Ideal for heavy-duty applications like industrial machinery or automotive systems where high radial and thrust loads are common.

Weighing 7.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements or new installations.

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Product Parameters

  • Part Number 495-493DC
  • 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 3.82"
  • 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 495
  • 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 7.8 lb

Features

Performance Features of 495-493DC Bearing

495-493DC Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 60,500 lbf, making it suitable for heavy-duty applications.

The double-row tapered roller design ensures stability and even load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

495-493DC Bearing’s standard radial clearance allows for smooth operation.
Its steel cage maintains roller alignment, reducing wear and extending service life.

Application

Industrial Uses of 495-493DC Bearing
495-493DC 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 efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 495-493DC Bearing supports axle systems and wheel hubs, providing reliable performance under high stress. Its inch sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial automation, 495-493DC Bearing is ideal for conveyor systems and robotic arms, where precision and load capacity are key. The open seal design allows for easy lubrication, extending service life.

Where Is 495-493DC Bearing Used?
You’ll often find 495-493DC Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design manages heavy loads smoothly. The steel cage adds extra strength for long-term use.

In material handling equipment, 495-493DC Bearing ensures smooth operation in forklifts and cranes. Its standard radial clearance makes it versatile for various load conditions.

Built for Heavy-Duty Use: 495-493DC Bearing
495-493DC Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its robust construction. The double-row setup distributes loads evenly, reducing wear.

For railway applications, 495-493DC Bearing is used in wheel sets and bogies, where its reliability is crucial. The ABEC-1 rating ensures consistent performance at moderate speeds.

Automotive vs Aerospace: Applications of 495-493DC Bearing
In automotive drivetrains, 495-493DC Bearing handles high torque and radial loads, making it a trusted component. Its inch measurements align with standard US automotive specs.

While less common in aerospace, 495-493DC Bearing can be found in ground support equipment, where durability matters. The temperature range suits most operational conditions.

Q&A

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