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

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

The 52400A-52637D is a double-row tapered roller bearing with a 4-inch bore and 6.375-inch outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 87500 lbf and is designed for smooth operation in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing works well in temperatures ranging from -30°C to 110°C, making it versatile for various environments.

This model is part of the 52000 series, offering reliable performance for industrial applications like gearboxes or heavy machinery. Its standard radial clearance and ABEC-1 rating make it a practical choice for general use.

Weighing 12.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable option for replacements or new installations.

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Product Parameters

  • Part Number 52400A-52637D
  • 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 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 12.700 lb

Features

Performance Features of 52400A-52637D Bearing

52400A-52637D Bearing is constructed with chrome steel rings and rollers, offering robust performance under combined 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 efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

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

52400A-52637D Bearing features a steel cage that maintains roller alignment, reducing wear and extending lifespan.
The standard radial clearance options (including C3/C4/C5) allow for flexibility in different applications.
Its open design simplifies lubrication, ensuring smooth operation over time.
The ABEC-1 rating confirms its precision engineering for consistent performance.

Built for Durability: 52400A-52637D Bearing

52400A-52637D Bearing’s chrome steel construction resists wear, even under high radial and thrust loads.
The double-row design enhances load-bearing capacity, with a dynamic radial rating of 22,700 lbf for two rows.
Tapered rollers minimise friction, promoting efficient operation.
Its wide temperature range ensures reliability in diverse working environments.

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

52400A-52637D Bearing uses chrome steel for both rollers and rings, providing excellent strength and durability.
This material choice ensures reliable performance under heavy combined loads without brittleness concerns.
The steel cage offers robust support for the tapered rollers during operation.
With proper lubrication, it delivers long service life in industrial applications.

Application

Industrial Uses of 52400A-52637D Bearing
52400A-52637D 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 effectively. The chrome steel construction ensures durability in demanding environments.

Where Is 52400A-52637D Bearing Used?
You’ll find 52400A-52637D Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a reliable choice for North American equipment manufacturers.

Built for Heavy-Duty Use: 52400A-52637D Bearing
52400A-52637D Bearing excels in industrial fans and pumps, where its tapered roller design manages high-speed rotations smoothly. The open seal type allows for easy lubrication, extending service life.

Automotive vs Aerospace: Applications of 52400A-52637D Bearing
In automotive applications, 52400A-52637D Bearing supports wheel hubs and drivetrains, while in aerospace, it’s used in landing gear systems. Its ABEC-1 rating ensures consistent performance across both sectors.

Essential Roles of 52400A-52637D Bearing
52400A-52637D Bearing is vital in railway applications, particularly in axle boxes where its dynamic load capacity ensures safe and efficient operation. The steel cage adds extra stability under heavy loads.

Q&A

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