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52393-52637D TDO (Two-Row Double-Outer Race) (Imperial)

52393-52637D TDO (Two-Row Double-Outer Race) (Imperial)

The 52393-52637D is a double-row tapered roller bearing with a 3.9375″ bore and 6.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 22700 lbf (two-row radial) and 10600 lbf (thrust), making it robust for heavy-duty use.

Its open design requires regular lubrication but offers easy maintenance, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for varied environments.

This model fits standard 52000 series applications and comes with ABEC-1 precision. Ideal for industrial machinery or vehicle axles where high radial and thrust loads are common.

Weighing 12.94 lb, it’s a solid choice for replacements or upgrades. Compliant with RoHS and REACH standards for safe handling.

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Product Parameters

  • Part Number 52393-52637D
  • Brand TFL
  • Size 3.9375" x 6.375" x 1.4219"
  • Bore Dia 3.9375"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.375"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.4375"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.4219"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.2498"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 4.57"
  • Cup Frontface Backing Diameter 6.08"
  • Cage Cone Backface Clearance 0.16"
  • Dynamic Radial Load 87500 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 52393
  • Cup Part Number 52637D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 52000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 13000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 10600 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 22700 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 12.94 lb

Features

How Does 52393-52637D Bearing Handle Combined Loads?

52393-52637D Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 87,500 lbf, making it suitable for heavy-duty applications.
The double-row tapered roller design ensures stability and even load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 52393-52637D Bearing Durable?

52393-52637D Bearing features chrome steel construction, enhancing its wear resistance and longevity.
The steel cage maintains roller alignment, reducing friction and extending service life.
Its standard radial clearance options allow for flexibility in different applications.
This bearing is designed to handle high dynamic loads while maintaining smooth operation.

Engineered for Precision: 52393-52637D Bearing

52393-52637D Bearing’s tapered roller design ensures precise load handling and reduced vibration.
The double-row construction provides increased radial and thrust load capacity.
With ABEC-1 rating, it offers reliable performance for industrial applications.
Its open seal type allows for easy lubrication and maintenance.

Application

Industrial Uses of 52393-52637D Bearing
52393-52637D Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability in demanding environments.

Where Is 52393-52637D Bearing Used?
You’ll often find 52393-52637D Bearing in agricultural machinery, supporting components like gearboxes and wheel hubs. Its inch sizing makes it a good fit for North American equipment, and the open design allows for easy lubrication.

Built for Heavy-Duty Use: 52393-52637D Bearing
52393-52637D Bearing excels in industrial fans and pumps, where its tapered roller design manages high-speed rotations smoothly. The steel cage adds strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 52393-52637D Bearing
In automotive systems, 52393-52637D Bearing supports heavy axles and differentials, while in aerospace, it’s used in landing gear assemblies. The ABEC-1 rating ensures consistent performance across both sectors.

Practical Applications of 52393-52637D Bearing
52393-52637D Bearing is a go-to choice for conveyor systems in factories, thanks to its ability to handle uneven loads. The standard radial clearance option makes it versatile for various industrial setups.

Q&A

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