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496-493DC TDO (Two-Row Double-Outer Race) (Imperial)

496-493DC TDO (Two-Row Double-Outer Race) (Imperial)

The 496-493DC is a double-row tapered roller bearing with a 3.1875″ bore and 5.375″ outer diameter, built from sturdy chrome steel for combined load handling. It supports dynamic radial loads up to 60,500 lbf and fits standard inch-sized machinery.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model features a double outer race for balanced load distribution, ideal for industrial gearboxes or heavy-duty axles. With standard radial clearance and ABEC-1 precision, it offers reliable performance for demanding applications.

Weighing 8.01 lb, it’s robust yet manageable for installation. Compliant with RoHS and REACH standards, it’s a practical choice for replacements or upgrades in non-US markets.

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Product Parameters

  • Part Number 496-493DC
  • Brand TFL
  • Size 3.1875" x 5.375" x 1.172"
  • Bore Dia 3.1875"
  • 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 3.74"
  • 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 496
  • 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 8.01 lb

Features

How Is 496-493DC Bearing Engineered for Reliability?

496-493DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, even under heavy dynamic radial loads up to 60,500 lbf.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a standard radial clearance option, it offers flexibility for various applications.

What Makes 496-493DC Bearing Suitable for High-Temperature Applications?

496-493DC Bearing operates reliably in temperatures ranging from -30° to 110 °C.
Its chrome steel rollers and rings maintain performance under thermal stress.
The open seal design allows for easy lubrication, ensuring smooth operation in demanding conditions.
This bearing is ideal for industrial applications where temperature fluctuations are common.

Designed for Durability: 496-493DC Bearing

496-493DC Bearing is built with precision-machined chrome steel components for long-lasting performance.
Its double-row tapered roller design distributes loads evenly, reducing wear.
The steel cage enhances stability, ensuring consistent operation under heavy loads.
With standard radial clearance options, it adapts to various installation requirements.

Steel vs Ceramic Bearings: Strengths of 496-493DC Bearing

496-493DC Bearing uses high-quality chrome steel for both rollers and rings, offering excellent strength and durability.
This material choice ensures reliable performance under dynamic radial loads up to 60,500 lbf.
The steel cage provides robust support, maintaining roller alignment during operation.
Its construction makes it a cost-effective solution for heavy-duty applications.

Application

Industrial Uses of 496-493DC Bearing
The 496-493DC Bearing is commonly used in heavy machinery like construction equipment and mining drills, where its double-row design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 496-493DC Bearing Used?
You’ll often find 496-493DC Bearing in agricultural machinery, such as tractor wheel hubs, where its tapered roller design provides stability under heavy loads. The inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 496-493DC Bearing
496-493DC Bearing excels in industrial gearboxes, thanks to its open design and steel cage that withstand high-speed rotations. The standard radial clearance offers flexibility for various operating conditions.

Automotive vs Aerospace: Applications of 496-493DC Bearing
In automotive applications, 496-493DC Bearing supports truck axles and differential systems, while in aerospace, it’s used in landing gear assemblies. Its ABEC-1 rating ensures reliable performance in both sectors.

Practical Applications of 496-493DC Bearing
For conveyor systems in warehouses, 496-493DC Bearing provides smooth operation with its tapered rollers. The dynamic radial load capacity makes it suitable for continuous use in material handling.

Q&A

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