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TS (Single Row Tapered Roller Bearings) (Imperial) 52400-52639

TS (Single Row Tapered Roller Bearings) (Imperial) 52400-52639

The 52400-52639 is a single-row tapered roller bearing with a 4″ bore and 6.375″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 50200 lbf radially and 10600 lbf in thrust, making it versatile for heavy-duty use.

Its open design and steel cage ensure durability, while the tapered rollers provide smooth operation even under stress. The bearing operates well 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, gearboxes, or automotive applications where combined loads are common.

Weighing 6.7 lb, it’s built to last and complies with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 52400-52639
  • Brand TFL
  • Interchangeable Timken
  • Size 4" x 6.375" x 1.625"
  • Bore Dia 4"
  • 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 5.06"
  • Cone Backface Backing Diameter 4.61"
  • 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 52400
  • 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 6.700 lb

Features

How Is 52400-52639 Bearing Engineered for Reliability?

52400-52639 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 50,200 lbf, making it suitable for heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

52400-52639 Bearing operates efficiently within a temperature range of -30° to 110°C.
The steel cage maintains roller alignment, ensuring smooth and consistent operation.

This bearing requires lubrication but is built to handle demanding environments.
Its ABEC-1 rating balances precision and cost-effectiveness for industrial use.

Application

Industrial Uses of 52400-52639 Bearing
The 52400-52639 Bearing is commonly used in heavy machinery like construction equipment and mining gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough conditions.

In automotive applications, 52400-52639 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high stress. The inch sizing makes it compatible with many North American vehicle models.

For industrial fans and pumps, 52400-52639 Bearing’s open design allows easy lubrication, extending service life in continuous operation. The steel cage adds stability during high-speed rotations.

Where Is 52400-52639 Bearing Used?
You’ll often find 52400-52639 Bearing in agricultural machinery, such as tractors and harvesters, where its robust build withstands dusty environments. The tapered rollers manage both radial and thrust loads smoothly.

In conveyor systems, 52400-52639 Bearing supports heavy loads while maintaining alignment over long distances. Its standard radial clearance ensures consistent performance without frequent adjustments.

Built for Heavy-Duty Use: 52400-52639 Bearing
The 52400-52639 Bearing excels in railway applications, particularly in axle boxes where reliability is critical. Its ABEC-1 rating balances precision and cost-effectiveness for these uses.

In power transmission systems, 52400-52639 Bearing’s dynamic load capacity makes it suitable for gearboxes and driveshafts. The steel cage and chrome steel rollers reduce wear over time.

Automotive vs Aerospace: Applications of 52400-52639 Bearing
In automotive settings, 52400-52639 Bearing is ideal for heavy-duty trucks and buses, handling large loads with ease. Its inch measurements align with standard US manufacturing specs.

For aerospace ground equipment, 52400-52639 Bearing provides dependable performance in cargo loaders and maintenance tools. The temperature range suits both indoor and outdoor use.

Q&A

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