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663A Single Cones (Imperial)

663A Single Cones (Imperial)

The 663A single cones are tapered roller bearings designed for combined loads, with a 3.25″ bore and made from durable chrome steel. They handle dynamic radial loads up to 55500 lbf and are built to last in tough conditions.

Their open design allows for easy maintenance, while the steel cage ensures reliable performance. The bearings operate smoothly in temperatures ranging from -30°C to 110°C.

These cones are interchangeable with Timken bearings, making them a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or vehicle axles where combined loads are common.

Compliant with RoHS and REACH standards, they offer a balance of strength and durability. The standard radial clearance can be adjusted to C3, C4, or C5 as needed.

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Product Parameters

  • Part Number 663A
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 663A-652 , 663A-652A , 663A-653 , 663A-653X
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 655
  • Bore Dia 3.25"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 1.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.270"
  • Cone Frontface Backing Diameter 3.62"
  • Cone Backface Backing Diameter 4.13"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.17"
  • Effective Center Location -0.31"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 55500 lbf
  • Static Radial Load 75300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 14400 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 96700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10100 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 25100 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of 663A Bearing

663A Bearing is built with chrome steel rings, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 55,500 lbf, ensuring reliable performance in tough conditions.

The tapered roller design of 663A Bearing provides smooth operation under heavy radial and thrust loads.
With a temperature range of -30° to 110°C, it performs well in various environments.

663A Bearing’s steel cage keeps the rollers aligned, reducing wear and extending service life.
Its standard radial clearance allows for flexibility in different applications.

Application

Key Fields for 663A Bearing
663A Bearing is commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 663A Bearing Used?
In automotive applications, 663A Bearing supports axle systems and wheel hubs, providing reliable performance under varying loads. Its inch sizing makes it a good fit for American and British machinery standards.

Built for Heavy-Duty Use: 663A Bearing
663A Bearing excels in industrial gearboxes and conveyor systems, where its open design allows for easy lubrication and maintenance. The steel cage adds strength, making it suitable for high-load scenarios.

Automotive vs Industrial: Applications of 663A Bearing
663A Bearing is versatile, fitting both automotive drivetrains and industrial pumps with equal ease. Its standard radial clearance options ensure compatibility across different operating conditions.

Q&A

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