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

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

The 495AA-493DC is a double-row tapered roller bearing with a 2.625″ bore and 5.375″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 15700 lbf (two-row radial) 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 smooth operation even under high stress. The bearing works reliably in temperatures ranging from -30°C to 110°C, suitable for various industrial environments.

This model features standard radial clearance but is also available in C3, C4, or C5 options for specific needs. Ideal for machinery like gearboxes or construction equipment where both radial and thrust loads are present.

Weighing 9.72 lb, it’s a solid yet manageable size for its capacity. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

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Product Parameters

  • Part Number 495AA-493DC
  • Brand TFL
  • Size 2.625" x 5.375" x 1.172"
  • Bore Dia 2.625"
  • Bore Dia Tolerance +0.005" 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 3.35"
  • 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 495AA
  • 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 9.72 lb

Features

Structural Advantages of 495AA-493DC Bearing

495AA-493DC Bearing features a double-row tapered roller design, ideal for handling combined radial and thrust loads.

Its chrome steel construction ensures durability, with a dynamic radial load capacity of 60,500 lbf.

The standard cup type and open seal design simplify installation and maintenance.

With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 495AA-493DC Bearing Resist Wear?

495AA-493DC Bearing uses high-quality chrome steel for both rollers and rings, enhancing wear resistance.

The tapered roller design distributes loads evenly, reducing stress on individual components.

Its steel cage maintains proper roller alignment, further minimising wear.

This design ensures long service life even under heavy loads.

Engineered for Precision: 495AA-493DC Bearing

495AA-493DC Bearing offers precise tolerances, with bore diameter accuracy within +0.005″ to 0.

Its double-row construction provides stability, making it suitable for high-precision applications.

The bearing meets ABEC-1 standards, ensuring consistent performance.

Standard radial clearance options allow for flexibility in different operating conditions.

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

495AA-493DC Bearing’s chrome steel construction provides excellent strength and durability.

It handles dynamic radial loads up to 60,500 lbf, outperforming many alternatives.

The steel cage and rollers ensure reliable operation in demanding environments.

While ceramic bearings may offer some advantages, 495AA-493DC provides cost-effective performance for most applications.

Application

Industrial Uses of 495AA-493DC Bearing
The 495AA-493DC 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 tough working conditions.

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

For industrial automation, 495AA-493DC Bearing is ideal for conveyor systems and robotic arms, where its open design allows for easy lubrication. The standard radial clearance ensures smooth operation in varied temperature ranges.

What Makes 495AA-493DC Bearing a Preferred Choice?
The 495AA-493DC Bearing stands out in agricultural machinery, such as tractors and harvesters, due to its ability to withstand heavy loads and harsh environments. Its steel cage adds extra strength and longevity.

In material handling systems, 495AA-493DC Bearing ensures efficient performance in forklifts and cranes. The tapered roller design reduces friction, enhancing operational efficiency and reducing maintenance needs.

Built for Heavy-Duty Use: 495AA-493DC Bearing
The 495AA-493DC Bearing is a reliable option for railway applications, where its combined load capacity handles the dynamic stresses of train axles. Its ABEC-1 rating ensures consistent precision even under continuous use.

For power generation equipment, 495AA-493DC Bearing provides stability in turbines and generators. The open seal type allows for easy inspection and lubrication, ensuring long-term reliability.

Q&A

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