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TS (Single Row Tapered Roller Bearings) (Imperial) 498-494A

TS (Single Row Tapered Roller Bearings) (Imperial) 498-494A

The 498-494A is a single-row tapered roller bearing with a 3.3125″ bore and 5.6875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 34700 lbf radially and 6850 lbf in thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 4.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

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Product Parameters

  • Part Number 498-494A
  • Brand TFL
  • Interchangeable Timken
  • Size 3.3125" x 5.6875" x 1.1876"
  • Bore Dia 3.3125"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.6875"
  • 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 0.06"
  • Cone Frontface Backing Diameter 4.4"
  • Cone Backface Backing Diameter 3.86"
  • Cup Frontface Backing Diameter 5.19"
  • Cup Backface Backing Diameter 5.00"
  • 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 494A
  • 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 4.100 lb

Features

Performance Features of 498-494A Bearing

498-494A 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 conditions.
The steel cage maintains roller alignment, reducing wear and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 498-494A Bearing Reduce Friction?

498-494A Bearing’s tapered roller design minimises friction, promoting smooth operation under heavy loads.
The chrome steel construction enhances durability while maintaining efficient performance.
Its standard radial clearance allows for optimal lubrication, further reducing friction.
This design ensures consistent operation even in high-load applications.

Engineered for Precision: 498-494A Bearing

498-494A Bearing features precise dimensions with tight tolerances for accurate performance.
The single-row construction provides stability and reliability in combined load scenarios.
Its ABEC-1 rating confirms consistent quality and precision engineering.
The bearing’s effective centre location ensures proper alignment during operation.

Application

Industrial Uses of 498-494A Bearing
The 498-494A 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 demanding environments.

In automotive applications, 498-494A Bearing fits well in wheel hubs and differential systems, providing reliable performance under both radial and thrust loads. The inch sizing makes it a convenient choice for American-made vehicles.

For industrial conveyors, 498-494A Bearing’s open design allows easy lubrication, reducing downtime in high-use settings. The steel cage adds extra strength, making it suitable for continuous operation.

What Makes 498-494A Bearing a Preferred Choice?
The 498-494A Bearing stands out in applications like gearboxes and pumps, where precise load distribution is key. Its ABEC-1 rating ensures consistent performance without unnecessary complexity.

In mining equipment, 498-494A Bearing’s robust design handles harsh conditions, from dust to heavy vibrations. The standard radial clearance option also simplifies maintenance in remote locations.

Built for Heavy-Duty Use: 498-494A Bearing
This bearing excels in forestry machinery, where its tapered rollers manage uneven loads from cutting and lifting. The chrome steel rollers resist wear, extending service life.

For railway applications, 498-494A Bearing’s effective center location helps maintain alignment under dynamic stresses. Its compatibility with Timken parts also simplifies replacements.

Automotive vs Aerospace: Applications of 498-494A Bearing
In trucks and buses, 498-494A Bearing supports axles and transmissions, balancing durability and cost-effectiveness. The inch measurements align with standard repair kits.

While not typically used in aerospace, this bearing’s precision makes it suitable for ground support equipment. Its temperature range covers most operational needs without specialised materials.

Q&A

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