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TS (Single Row Tapered Roller Bearings) (Imperial) 52393-52639

TS (Single Row Tapered Roller Bearings) (Imperial) 52393-52639

The 52393-52639 is a single-row tapered roller bearing with a 3.9375″ bore and 6.375″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 50200 lbf radially and 10600 lbf thrust, making it versatile for heavy-duty use.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for various industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like gearboxes, wheel hubs, or 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 safety and environmental requirements.

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Product Parameters

  • Part Number 52393-52639
  • Brand TFL
  • Interchangeable Timken
  • Size 3.9375" x 6.375" x 1.625"
  • Bore Dia 3.9375"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.4219"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.5625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.625"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.95"
  • Cone Backface Backing Diameter 4.57"
  • Cup Frontface Backing Diameter 6.18"
  • Cup Backface Backing Diameter 5.67"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.16"
  • Effective Center Location -0.02"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 52393
  • Cup Part Number 52639
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 52000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 50200 lbf
  • Static Radial Load 77000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10600 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

Performance Features of 52393-52639 Bearing

52393-52639 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 50,200 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 Is 52393-52639 Bearing Engineered for Reliability?

52393-52639 Bearing features a single-row tapered roller design, ideal for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 10,600 lbf at 90 million revolutions highlights its long-lasting performance.
The open seal type allows for easy lubrication, maintaining efficiency over time.

Built for Durability: 52393-52639 Bearing

52393-52639 Bearing’s tapered roller design ensures efficient load distribution, reducing stress on components.
The chrome steel materials resist wear, making it suitable for heavy-duty applications.
With a static radial load capacity of 77,000 lbf, it delivers reliable performance under pressure.
The standard ABEC-1 rating ensures consistent precision in various industrial uses.

Application

Industrial Uses of 52393-52639 Bearing
This 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.

In automotive applications, 52393-52639 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyor systems, 52393-52639 Bearing’s open design allows easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear during high-load scenarios.

Where Is 52393-52639 Bearing Used?
You’ll often find this bearing in agricultural machinery, such as tractors and harvesters, where its robust design copes with uneven loads. The standard radial clearance ensures smooth operation in dusty environments.

It’s also a solid choice for railway applications, particularly in axle boxes, thanks to its high dynamic radial load capacity. The ABEC-1 rating balances precision and cost-effectiveness for these uses.

Built for Heavy-Duty Use: 52393-52639 Bearing
This bearing excels in forestry equipment like log splitters, where its tapered rollers manage intense shock loads. The temperature range suits both cold and moderately hot operating conditions.

In material handling systems, 52393-52639 Bearing’s steel cage prevents roller skewing during sudden starts or stops. The inch measurements simplify maintenance for equipment using imperial standards.

Automotive vs Aerospace: Applications of 52393-52639 Bearing
While commonly used in truck transmissions, this bearing isn’t typically found in aircraft due to its ABEC-1 rating. The thrust load capacity makes it better suited for ground vehicle applications.

In industrial pumps, 52393-52639 Bearing handles both radial and axial forces effectively. The chrome steel rollers maintain shape under constant pressure, reducing maintenance needs.

Q&A

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