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

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

The 663A-652A is a single-row tapered roller bearing with a 3.25″ bore and 5.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 55500 lbf radially and 10100 lbf thrust-wise, 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.

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

Weighing 6.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments. The standard radial clearance can be adjusted to C3, C4, or C5 if needed.

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Product Parameters

  • Part Number 663A-652A
  • Brand TFL
  • Interchangeable Timken
  • Size 3.25" x 5.875" x 1.625"
  • Bore Dia 3.25"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.875"
  • 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 5.20"
  • 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 652A
  • 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 6.4 lb

Features

Performance Features of 663A-652A Bearing

663A-652A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 55,500 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures smooth operation and efficient load distribution.
With a standard radial clearance, it provides reliable performance in various conditions.

663A-652A Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing wear and extending service life.

This bearing requires lubrication but offers durability and consistent performance.
Its ABEC-1 rating ensures precision for general industrial applications.

Application

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

What Makes 663A-652A Bearing a Preferred Choice?
In automotive applications, 663A-652A Bearing fits well in wheel hubs and differential systems, thanks to its precise inch sizing and robust load capacity. Its compatibility with Timken models makes it a reliable option for repairs and replacements.

Built for Heavy-Duty Use: 663A-652A Bearing
For industrial fans and pumps, 663A-652A Bearing offers smooth operation under high radial and thrust loads. The open design allows for easy lubrication, extending its service life in continuous-use scenarios.

Automotive vs Aerospace: Applications of 663A-652A Bearing
While 663A-652A Bearing excels in truck transmissions, its precision also suits aerospace components like landing gear systems. The ABEC-1 rating ensures consistent performance across different speed ranges.

Key Fields for 663A-652A Bearing
In agricultural machinery, 663A-652A Bearing supports heavy loads in tractors and harvesters. Its steel cage and chrome steel rollers provide reliable performance in dusty or humid environments.

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