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497-493D TDO (Two-Row Double-Outer Race) (Imperial)

497-493D TDO (Two-Row Double-Outer Race) (Imperial)

The 497-493D is a double-row tapered roller bearing with a 3.375″ bore and 5.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 15700 lbf radially and 6850 lbf thrust, making it robust for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for varied environments.

This model is part of the 495 series, with standard radial clearance and ABEC-1 precision. Ideal for industrial machinery or vehicle axles where combined loads are common.

Weighing 7.37 lb, it’s a solid choice for applications needing reliable performance. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 497-493D
  • Brand TFL
  • Size 3.375" x 5.375" x 1.172"
  • Bore Dia 3.375"
  • 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 3.9"
  • 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 497
  • 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 7.37 lb

Features

Performance Features of 497-493D Bearing

497-493D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 60,500 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design enhances stability and load distribution.
With a standard radial clearance, it provides smooth operation across various conditions.

497-493D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The bearing requires lubrication but is designed for durability in demanding environments.
Its inch measurements make it suitable for imperial system applications.

Application

Industrial Uses of 497-493D Bearing
497-493D 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 efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 497-493D Bearing Used?
You’ll often find 497-493D Bearing in agricultural machinery, like tractors and harvesters, where its robust design supports high loads and rough terrain. Its inch sizing makes it a popular choice for North American equipment manufacturers.

Built for Heavy-Duty Use: 497-493D Bearing
497-493D Bearing excels in industrial gearboxes, providing reliable performance under continuous operation. The open seal design allows for easy lubrication, extending its service life in high-temperature conditions.

Automotive vs Aerospace: Applications of 497-493D Bearing
In automotive applications, 497-493D Bearing is used in wheel hubs and drivetrains, offering stability under heavy loads. While not typically used in aerospace, its precision makes it suitable for ground support equipment.

Practical Applications of 497-493D Bearing
497-493D Bearing is a go-to choice for conveyor systems in manufacturing plants, where its tapered rollers ensure smooth operation. The steel cage adds extra strength, making it ideal for high-vibration environments.

Q&A

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