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499A-493D TDO (Two-Row Double-Outer Race) (Imperial)

499A-493D TDO (Two-Row Double-Outer Race) (Imperial)

The 499A-493D is a double-row tapered roller bearing with a 3.3455″ bore and 5.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 60500 lbf and is designed for long-lasting performance in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation. The bearing can withstand temperatures from -30°C to 110°C, making it versatile for various environments.

This model is part of the 495 series and comes with standard cups for easy installation. Ideal for heavy-duty applications like industrial gearboxes or machinery where both radial and thrust loads are present.

Weighing 7.47 lb, it’s a robust choice for imperial-sized systems. Compliant with RoHS and REACH standards, it’s a reliable option for replacements or new installations.

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Product Parameters

  • Part Number 499A-493D
  • Brand TFL
  • Size 3.3455" x 5.375" x 1.172"
  • Bore Dia 3.3455"
  • 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 499A
  • 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 7.47 lb

Features

Performance Features of 499A-493D Bearing

499A-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 of 499A-493D Bearing provides stability and even load distribution.
This construction enhances durability, making it suitable for demanding industrial environments.

499A-493D 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 weight of 7.47 lb, 499A-493D Bearing balances strength and manageable size.
The steel cage maintains roller alignment, contributing to smoother operation and longer service life.

Application

Industrial Uses of 499A-493D Bearing
The 499A-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.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for industrial applications.

Where Is 499A-493D Bearing Used?
You’ll often find the 499A-493D Bearing in automotive axles and wheel hubs, where its tapered roller design provides smooth performance under heavy loads.
The inch sizing makes it compatible with many North American vehicle models, offering versatility in repairs and replacements.

Built for Heavy-Duty Use: 499A-493D Bearing
In agricultural machinery, the 499A-493D Bearing supports components like gearboxes and drivetrains, thanks to its robust steel cage and high load capacity.
Its standard radial clearance allows for easy integration into various equipment without compromising performance.

Automotive vs Aerospace: Applications of 499A-493D Bearing
While the 499A-493D Bearing excels in automotive applications, it’s also suitable for aerospace ground support equipment, where precision and reliability are key.
The bearing’s temperature range ensures consistent operation in both hot and cold conditions.

Key Fields for 499A-493D Bearing
The 499A-493D Bearing is ideal for industrial fans and pumps, where its double-row construction manages vibrations and axial loads effectively.
Its open design simplifies lubrication, extending service life in continuous operation scenarios.

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