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TS (Single Row Tapered Roller Bearings) (Imperial) 52387P-52639

TS (Single Row Tapered Roller Bearings) (Imperial) 52387P-52639

The 52387P-52639 is a single-row tapered roller bearing with a 3.875″ bore and 6.375″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 59500 lbf radial and 12500 lbf thrust, suitable for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like truck axles or industrial gearboxes where robust performance is needed.

Weighing 7.000 lb, it’s built to handle demanding environments while complying with RoHS and REACH standards for safety.

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Product Parameters

  • Part Number 52387P-52639
  • Brand TFL
  • Interchangeable Timken
  • Size 3.875" x 6.375" x 1.625"
  • Bore Dia 3.875"
  • 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 4.94"
  • Cone Backface Backing Diameter 4.49"
  • 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 52387P
  • 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 59500 lbf
  • Static Radial Load 77000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 15400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12500 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 7.000 lb

Features

Performance Features of 52387P-52639 Bearing

52387P-52639 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 59,500 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures smooth operation and efficient load distribution.
With a static radial load of 77,000 lbf, it provides reliable performance under demanding conditions.

52387P-52639 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
Its standard radial clearance options allow for flexibility in various industrial applications.

The steel cage maintains roller alignment, reducing wear and extending service life.
This bearing is interchangeable with Timken models, offering convenient replacement options.

Application

Industrial Uses of 52387P-52639 Bearing
52387P-52639 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.

In automotive applications, 52387P-52639 Bearing supports axle systems and wheel hubs, providing reliable performance under high radial and thrust loads. Its imperial sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial fans and pumps, 52387P-52639 Bearing’s open design allows for easy lubrication, extending service life in continuous operation environments. The steel cage adds stability during high-speed rotations.

Where Is 52387P-52639 Bearing Used?
52387P-52639 Bearing is often found in agricultural machinery, like tractors and harvesters, where its robust design withstands heavy loads and rough terrain. The tapered rollers ensure smooth operation even under stress.

In material handling systems, 52387P-52639 Bearing supports conveyor rollers, reducing friction and improving efficiency. Its standard radial clearance makes it adaptable to various load conditions.

Built for Heavy-Duty Use: 52387P-52639 Bearing
52387P-52639 Bearing excels in industrial gearboxes, where its single-row construction simplifies installation and maintenance. The chrome steel rollers provide consistent performance over long periods.

For railway applications, 52387P-52639 Bearing handles the combined loads of freight and passenger cars, ensuring reliable operation. Its ABEC-1 rating balances precision and cost-effectiveness.

Automotive vs Aerospace: Applications of 52387P-52639 Bearing
In automotive systems, 52387P-52639 Bearing is ideal for drivetrains, offering durability and load capacity. The imperial measurements align with standard vehicle designs.

For aerospace ground equipment, 52387P-52639 Bearing supports maintenance tools and loading systems, where its temperature range suits various operational conditions. The steel cage ensures stability under dynamic loads.

Q&A

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