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498-493DC TDO (Two-Row Double-Outer Race) (Imperial)

498-493DC TDO (Two-Row Double-Outer Race) (Imperial)

The 498-493DC is a double-row tapered roller bearing with a 3.3125″ bore and 5.375″ outer diameter, built from sturdy chrome steel. 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 durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, making it versatile for various conditions.

This model is part of the 495 series and meets ABEC-1 standards. It’s ideal for heavy-duty applications like industrial gearboxes or machinery where combined loads are common.

Weighing 7.59 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 498-493DC
  • Brand TFL
  • Size 3.3125" x 5.375" x 1.172"
  • Bore Dia 3.3125"
  • 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 3.86"
  • 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 498
  • 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 7.59 lb

Features

Performance Features of 498-493DC Bearing

498-493DC 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 of 498-493DC Bearing provides stability and even load distribution.
This construction enhances durability, making it suitable for demanding industrial environments.

498-493DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options allow for flexibility in various operational conditions.

With a dynamic radial rating of 15,700 lbf for two rows, 498-493DC Bearing delivers consistent performance.
The steel cage ensures proper roller alignment, reducing wear and extending service life.

498-493DC Bearing requires lubrication to maintain optimal performance over time.
Its ABEC-1 rating ensures reliable precision for a wide range of applications.

Application

Industrial Uses of 498-493DC Bearing
The 498-493DC Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 498-493DC Bearing supports axle systems and wheel hubs, providing reliable performance under high stress. The inch sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial automation, 498-493DC Bearing’s open design allows easy lubrication, extending its lifespan in conveyor systems and robotic arms. The standard radial clearance offers flexibility for various operational needs.

What Makes 498-493DC Bearing a Preferred Choice?
The 498-493DC Bearing’s tapered roller design excels in applications like gearboxes and drivetrains, where smooth rotation is essential. Its steel cage adds strength while maintaining lightweight performance.

In agricultural machinery, 498-493DC Bearing withstands harsh conditions like dust and moisture, thanks to its robust construction. The ABEC-1 rating ensures consistent precision for everyday farming equipment.

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