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52400A-52637DC TDO (Two-Row Double-Outer Race) (Imperial)

52400A-52637DC TDO (Two-Row Double-Outer Race) (Imperial)

The 52400A-52637DC is a double-row tapered roller bearing with a 4-inch bore and 6.375-inch outer diameter, built from sturdy chrome steel. It handles combined loads up to 22700 lbf dynamically and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing fits standard cup types and is part of the reliable 52000 series.

This model is ideal for industrial machinery or heavy equipment where both radial and thrust loads are present. Its double-row construction provides extra stability for demanding applications.

Weighing 12.7 pounds, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various industries. The bearing comes with standard radial clearance but is also available in C3, C4, or C5 options.

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Product Parameters

  • Part Number 52400A-52637DC
  • Brand TFL
  • Size 4" x 6.3750" x 1.4219"
  • Bore Dia 4"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.3750"
  • 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 4.61"
  • 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 52400A
  • Cup Part Number 52637DC
  • 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 12.700 lb

Features

How Is 52400A-52637DC Bearing Engineered for Reliability?

52400A-52637DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 87,500 lbf.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 52400A-52637DC Bearing Suitable for High-Temperature Applications?

52400A-52637DC Bearing is built with chrome steel rollers and rings, offering excellent heat resistance.
It operates efficiently in temperatures ranging from -30° to 110°C, maintaining performance under stress.
The double-row design distributes loads evenly, reducing heat buildup.
Its open construction allows for easy lubrication, further enhancing thermal management.

Designed for Durability: 52400A-52637DC Bearing

52400A-52637DC Bearing’s chrome steel components provide robust resistance to wear and tear.
The tapered roller design ensures smooth operation under heavy combined loads.
With a dynamic radial rating of 87,500 lbf, it excels in demanding applications.
Its standard radial clearance options offer flexibility for different operational needs.

Steel vs Ceramic Bearings: Strengths of 52400A-52637DC Bearing

52400A-52637DC Bearing uses chrome steel for both rollers and rings, ensuring high strength and durability.
This material choice provides excellent load-bearing capacity and resistance to deformation.
The steel cage enhances stability, keeping rollers aligned during operation.
Its design is optimised for heavy-duty applications where reliability is key.

Application

Industrial Uses of 52400A-52637DC Bearing
52400A-52637DC Bearing is commonly used in heavy machinery, such as construction equipment and mining rigs, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 52400A-52637DC Bearing Used?
You’ll often find 52400A-52637DC Bearing in automotive applications like truck wheel hubs, where its tapered roller design provides stability under heavy loads. The inch sizing makes it a popular choice for North American vehicles.

Built for Heavy-Duty Use: 52400A-52637DC Bearing
52400A-52637DC Bearing excels in industrial gearboxes, thanks to its high dynamic radial load capacity. The open seal type allows for easy lubrication, extending its service life in continuous operation.

Automotive vs Aerospace: Applications of 52400A-52637DC Bearing
In automotive settings, 52400A-52637DC Bearing supports axle systems, while in aerospace, it’s used in landing gear mechanisms. Its ABEC-1 rating ensures reliable performance across both industries.

Essential Roles of 52400A-52637DC Bearing
52400A-52637DC Bearing is a go-to for conveyor systems in manufacturing plants, where its combined load handling keeps operations smooth. The steel cage adds extra resilience against wear and tear.

Q&A

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