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TS (Single Row Tapered Roller Bearings) (Imperial) 498-493A

TS (Single Row Tapered Roller Bearings) (Imperial) 498-493A

The 498-493A is a single-row tapered roller bearing with a 3.3125″ bore and 5.314″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 34700 lbf radially and 6850 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

Interchangeable with Timken bearings, this model is a reliable choice for replacements. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 3.3 lb, it offers a robust build without being overly heavy. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 498-493A
  • Brand TFL
  • Interchangeable Timken
  • Size 3.3125" x 5.314" x 1.1876"
  • Bore Dia 3.3125"
  • 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 4.4"
  • 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 498
  • 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 498-493A Bearing

498-493A Bearing is constructed with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 34,700 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 498-493A Bearing Engineered for Reliability?

498-493A Bearing features a single-row tapered roller design, optimised for combined load handling.
The standard radial clearance and ABEC-1 rating ensure consistent performance in industrial settings.
Its chrome steel construction resists wear, extending the bearing’s service life.
Lubrication is required to maintain smooth operation and reduce maintenance needs.

Built for Durability: 498-493A Bearing

498-493A Bearing’s tapered roller design efficiently distributes loads, minimising stress concentrations.
The steel cage maintains roller spacing, preventing misalignment and reducing operational noise.
With a static radial load capacity of 48,600 lbf, it handles demanding applications with ease.
Its inch-sized dimensions ensure compatibility with imperial system machinery.

Steel vs Ceramic Bearings: Strengths of 498-493A Bearing

498-493A Bearing uses chrome steel for both rings and rollers, providing excellent strength-to-weight ratio.
This material choice makes it more cost-effective than ceramic alternatives for many industrial uses.
The bearing’s standard radial clearance allows for thermal expansion during operation.
Weighing 3.3 lb, it balances durability with manageable installation requirements.

Why Choose 498-493A Bearing for Precision Tasks?

498-493A Bearing’s precise cone and cup width tolerances ensure accurate fitment in machinery.
The effective center location of -0.03″ contributes to stable rotation under load.
Its dynamic thrust rating of 6,850 lbf at 90 million revolutions demonstrates long-term reliability.
The open design facilitates proper lubrication, crucial for maintaining precision performance.

Application

Industrial Uses of 498-493A Bearing
In heavy machinery like construction equipment, 498-493A Bearing handles combined radial and thrust loads with ease. Its chrome steel construction ensures durability even in demanding environments.

Where Is 498-493A Bearing Used?
You’ll often find 498-493A Bearing in agricultural gearboxes, where its tapered roller design manages varying load conditions. The inch sizing makes it a straightforward replacement for Timken equivalents.

Built for Heavy-Duty Use: 498-493A Bearing
This bearing excels in mining applications, supporting conveyor systems that run for long hours. The steel cage adds extra strength to withstand continuous operation.

Automotive vs Aerospace: Applications of 498-493A Bearing
In trucks, 498-493A Bearing works well in wheel hubs, while its precision suits aircraft landing gear components. The ABEC-1 rating balances performance and cost effectively.

Perfect Fit for Automation: 498-493A Bearing
For robotic arms in manufacturing, 498-493A Bearing offers smooth movement under combined loads. Its standard radial clearance ensures reliable performance without frequent adjustments.

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