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

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

The 52400-52637DC 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 (two-row radial) and 10600 lbf (thrust), making it robust 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, suitable for varied environments.

This model features standard radial clearance and is ABEC-1 rated for reliable performance. Ideal for industrial machinery or vehicle axles where high load capacity is needed.

Weighing 12.67 lb, it’s a solid choice for applications requiring long-lasting strength. Compliant with RoHS and REACH standards for safety and environmental care.

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Product Parameters

  • Part Number 52400-52637DC
  • 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 52400
  • 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 12.67 lb

Features

Performance Features of 52400-52637DC Bearing

52400-52637DC Bearing is built 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 even load distribution.
This construction enhances durability while maintaining smooth operation.

52400-52637DC Bearing operates effectively in temperatures ranging from -30° to 110°C.
Its standard radial clearance options provide flexibility for various industrial needs.

With a weight of 12.67 lb, it balances strength and practicality.
The open seal type allows for easy lubrication and maintenance.

Application

Industrial Uses of 52400-52637DC Bearing
The 52400-52637DC Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability in demanding environments, making it a reliable choice for long-term use.

Where Is 52400-52637DC Bearing Used?
You’ll often find the 52400-52637DC Bearing in agricultural machinery, such as tractors and harvesters, where its tapered roller design provides stability under heavy loads.
The inch sizing makes it compatible with many North American industrial applications, simplifying replacements.

Built for Heavy-Duty Use: 52400-52637DC Bearing
The 52400-52637DC Bearing excels in applications like gearboxes and drivetrains, where its open design allows for easy lubrication and maintenance.
Its steel cage and chrome steel rollers offer excellent wear resistance, even in high-temperature conditions.

Automotive vs Aerospace: Applications of 52400-52637DC Bearing
In automotive systems, the 52400-52637DC Bearing supports wheel hubs and differentials, thanks to its robust load capacity.
For aerospace ground equipment, its precision and reliability make it suitable for handling heavy loads during aircraft maintenance.

Key Fields for 52400-52637DC Bearing
The 52400-52637DC Bearing is ideal for industrial fans and pumps, where its double-row construction ensures smooth operation under varying loads.
Its standard radial clearance options provide flexibility for different operational requirements.

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