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TS (Single Row Tapered Roller Bearings) (Imperial) 663A-652

TS (Single Row Tapered Roller Bearings) (Imperial) 663A-652

The 663A-652 is a single-row tapered roller bearing with a 3.25″ bore and 6″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 55500 lbf radially and 10100 lbf thrust, suitable for heavy-duty applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 6.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets essential safety and environmental requirements.

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Product Parameters

  • Part Number 663A-652
  • Brand TFL
  • Interchangeable Timken
  • Size 3.25" x 6" x 1.625"
  • Bore Dia 3.25"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.25"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.625"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.270"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.41"
  • Cone Backface Backing Diameter 4.13"
  • Cup Frontface Backing Diameter 5.57"
  • Cup Backface Backing Diameter 5.28"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.17"
  • Effective Center Location -0.31"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 663A
  • Cup Part Number 652
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 655
  • Ring Material Chrome Steel
  • Roller 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 Thrust Rating(90 Million Revolutions)(Ca90) 10100 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 6.8 lb

Features

How Does 663A-652 Bearing Handle Combined Loads?

663A-652 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 55,500 lbf, ensuring reliable performance in demanding conditions.
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 environments.

Application

Industrial Uses of 663A-652 Bearing
663A-652 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 663A-652 Bearing Used?
In automotive applications, 663A-652 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

Built for Heavy-Duty Use: 663A-652 Bearing
For industrial conveyor systems, 663A-652 Bearing offers smooth operation and long service life, even in high-load environments. The open design allows for easy lubrication, reducing maintenance downtime.

Automotive vs Aerospace: Applications of 663A-652 Bearing
While 663A-652 Bearing excels in automotive wheel assemblies, it also finds use in aerospace landing gear systems, where its robust design meets stringent performance requirements. The steel cage adds extra strength for demanding applications.

Key Fields for 663A-652 Bearing
663A-652 Bearing is ideal for agricultural machinery, such as tractors and harvesters, where its ability to handle combined loads ensures reliable operation. The standard radial clearance makes it versatile for various farming conditions.

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