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

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

The 495-493D is a double-row tapered roller bearing with a 3.25″ bore and 5.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 60,500 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 works well in temperatures ranging from -30°C to 110°C, making it versatile for various environments.

This model is part of the 495 series, with standard radial clearance and ABEC-1 precision. Ideal for heavy-duty applications like industrial gearboxes or construction equipment where both radial and thrust loads are present.

Weighing 7.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 495-493D
  • 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 495
  • 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 7.8 lb

Features

How Does 495-493D Bearing Handle Combined Loads?

495-493D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined radial and thrust loads.
Its dynamic radial load capacity reaches 60,500 lbf, ensuring reliable performance in demanding applications.
The steel cage keeps the rollers aligned, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various conditions.

What Makes 495-493D Bearing Durable?

495-493D Bearing features a double-row tapered roller design, providing enhanced load distribution.
The chrome steel construction ensures durability and resistance to wear over time.
Its standard radial clearance allows for smooth operation in various applications.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Engineered for Precision: 495-493D Bearing

495-493D Bearing is designed for combined load applications, handling both radial and thrust forces efficiently.
The tapered roller design ensures even load distribution, reducing stress on individual components.
Its chrome steel materials resist wear, maintaining performance over extended periods.
The open seal type allows for easy lubrication, ensuring smooth operation.

Steel vs Ceramic Bearings: Strengths of 495-493D Bearing

495-493D Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
This material choice ensures reliable performance under heavy combined loads.
The steel cage provides stability, keeping rollers aligned during operation.
With a dynamic radial rating of 60,500 lbf, it excels in demanding industrial applications.

Application

Industrial Uses of 495-493D Bearing
495-493D Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough environments.

What Makes 495-493D Bearing a Preferred Choice?
In automotive applications, 495-493D Bearing supports wheel hubs and differential systems, providing reliable performance under high stress. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 495-493D Bearing
For industrial fans and conveyor systems, 495-493D Bearing offers smooth operation even under continuous use. The open seal design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 495-493D Bearing
While 495-493D Bearing excels in automotive wheel assemblies, it’s also found in aerospace landing gear components. Its robust design meets the demands of both high-speed and high-load scenarios.

Essential Roles of 495-493D Bearing
In agricultural machinery, 495-493D Bearing ensures reliable performance in tractors and harvesters. The tapered roller design efficiently manages varying load conditions.

Q&A

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