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TS (Single Row Tapered Roller Bearings) (Imperial) 499A-493A

TS (Single Row Tapered Roller Bearings) (Imperial) 499A-493A

The 499A-493A is a single-row tapered roller bearing with a 3.3455″ bore and 5.314″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 34700 lbf radially and 6850 lbf thrust, making it versatile for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for various industrial conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like gearboxes, wheel hubs, or machinery where combined loads are common.

Weighing 3.3 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 499A-493A
  • Brand TFL
  • Interchangeable Timken
  • Size 3.3455" x 5.314" x 1.1876"
  • Bore Dia 3.3455"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.314"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.172"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.41"
  • Cone Backface Backing Diameter 3.86"
  • Cup Frontface Backing Diameter 5.12"
  • Cup Backface Backing Diameter 4.76"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.03"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 499A
  • Cup Part Number 493A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 495
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 34700 lbf
  • Static Radial Load 48600 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 9000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6850 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 3.3 lb

Features

Performance Features of 499A-493A Bearing

499A-493A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 34,700 lbf, ensuring reliable performance in demanding applications.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

How Is 499A-493A Bearing Engineered for Reliability?

499A-493A Bearing features a single-row tapered roller design, ideal for handling both radial and thrust loads.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 6,850 lbf makes it suitable for heavy-duty applications.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 499A-493A Bearing

499A-493A Bearing’s chrome steel components provide excellent wear resistance, even under high loads.
The tapered roller design distributes stress evenly, improving fatigue life and reliability.
With an ABEC-1 rating, it offers consistent precision for industrial applications.
The open seal type allows for easy lubrication, ensuring long-term performance.

Steel vs Ceramic Bearings: Strengths of 499A-493A Bearing

499A-493A Bearing uses chrome steel for both rings and rollers, balancing cost and performance.
This material choice ensures high strength and resistance to wear in demanding environments.
The bearing’s dynamic radial rating of 9,000 lbf (C90) highlights its long-term reliability.
Its standard radial clearance option provides flexibility for different application requirements.

Application

Industrial Uses of 499A-493A Bearing
The 499A-493A Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 499A-493A Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyor systems, 499A-493A Bearing’s open design allows for easy lubrication, extending service life in high-use environments. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 499A-493A Bearing Used?
You’ll often find 499A-493A Bearing in mining equipment, where its ability to handle heavy radial and thrust loads is crucial. The standard radial clearance option ensures smooth operation in demanding settings.

In power transmission systems, 499A-493A Bearing supports shafts and gears, thanks to its robust tapered roller design. The ABEC-1 rating provides a good balance of precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 499A-493A Bearing
The 499A-493A Bearing excels in applications like forklifts and cranes, where its dynamic load capacity keeps things running smoothly. Its steel cage and chrome steel rollers offer long-lasting performance.

For railway maintenance equipment, 499A-493A Bearing’s durability and ease of lubrication make it a practical choice. The inch measurements simplify compatibility with older machinery still using imperial standards.

Automotive vs Aerospace: Applications of 499A-493A Bearing
In automotive settings, 499A-493A Bearing is ideal for drivetrain components, balancing cost and performance. Its static radial load capacity ensures reliability in stop-start conditions.

For aerospace ground support equipment, 499A-493A Bearing provides dependable service without the need for high-precision alternatives. The temperature range suits most operational environments.

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