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

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

The 495W-493DC is a two-row tapered roller bearing with a 3.25″ bore and 5.375″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads well, with a dynamic radial load capacity of 60,500 lbf and a two-row dynamic radial rating of 15,700 lbf.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation even under heavy loads. The bearing works in temperatures from -30°C to 110°C, making it suitable for various industrial environments.

This double-row design offers stability and durability, ideal for applications like heavy machinery or automotive systems where combined loads are common. It meets RoHS and REACH standards for safety and environmental compliance.

Weighing 7.8 lb, it’s a robust choice for demanding tasks. The standard radial clearance can be adjusted to C3, C4, or C5 if needed, providing flexibility for different setups.

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Product Parameters

  • Part Number 495W-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 495W
  • 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

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

495W-493DC 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 friction and extending service life.
With a standard radial clearance option, it offers flexibility for various applications.

495W-493DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precise tolerances ensure consistent performance in demanding conditions.

Application

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

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

For industrial automation, 495W-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 in continuous operation.

Why Is 495W-493DC Bearing Essential in Machinery?
495W-493DC Bearing plays a vital role in agricultural machinery, such as tractors and harvesters, due to its ability to withstand heavy loads and harsh conditions. The tapered roller design ensures smooth rotation even under uneven stress.

Its compatibility with standard lubrication systems makes maintenance straightforward, reducing downtime in industrial settings. The ABEC-1 rating provides a balance of precision and cost-effectiveness for general machinery applications.

Built for Heavy-Duty Use: 495W-493DC Bearing
495W-493DC Bearing excels in forestry equipment, like log splitters and sawmills, where its robust construction resists wear from debris and moisture. The steel cage adds extra strength, making it suitable for high-impact scenarios.

In material handling systems, this bearing’s double-row configuration ensures stability and longevity, even with frequent starts and stops. The standard radial clearance offers flexibility for various operational needs.

Light-Duty vs Heavy-Duty: Best Uses for 495W-493DC Bearing
For light-duty applications, 495W-493DC Bearing works well in small industrial fans and pumps, providing reliable performance without over-engineering. Its inch measurements simplify replacement in older equipment.

In heavy-duty scenarios, such as oil rigs and wind turbines, this bearing’s high dynamic load capacity ensures consistent operation under extreme conditions. The temperature range of -30° to 110°C covers most industrial environments.

Where Is 495W-493DC Bearing Used?
495W-493DC Bearing is found in railway axle boxes, where its tapered roller design manages both radial and axial forces efficiently. The chrome steel rollers resist wear from constant vibration and heavy loads.

It’s also used in marine applications, like ship propulsion systems, thanks to its corrosion-resistant materials and reliable performance in wet conditions. The open seal allows for easy inspection and re-greasing during maintenance.

Q&A

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