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

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

The 52400W-52637D is a double-row tapered roller bearing with a 4-inch bore and 6.375-inch outer diameter, built from tough chrome steel for heavy-duty use. It handles combined loads up to 22700 lbf (two-row radial) and 10600 lbf (thrust), making it sturdy for demanding applications.

Its open design requires regular lubrication but offers easy maintenance, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for varied environments.

With standard radial clearance (C3/C4/C5 options available), it fits industrial gearboxes or heavy machinery where precise alignment matters. Weighing 12.53 lb, it balances strength with manageable handling. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 52400W-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 52400W
  • 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 12.53 lb

Features

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

52400W-52637D Bearing features a double-row tapered roller design, providing robust support for combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 87,500 lbf.

The precision tolerances on bore and outer diameters (+0.001″ to 0) enhance alignment and performance.
This design reduces friction and wear, extending the bearing’s service life.

With a temperature range of -30° to 110°C, 52400W-52637D Bearing performs reliably in various conditions.
The standard radial clearance option offers flexibility for different applications.

52400W-52637D Bearing’s steel cage maintains roller alignment, ensuring smooth operation.
Its open design simplifies lubrication, though regular maintenance is recommended for optimal performance.

Application

Industrial Uses of 52400W-52637D Bearing
The 52400W-52637D Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads effectively.
Its chrome steel construction ensures durability in demanding environments, making it a reliable choice for industrial applications.

What Makes 52400W-52637D Bearing a Preferred Choice?
In automotive applications, 52400W-52637D Bearing is often found in wheel hubs and differential systems, providing smooth performance under heavy loads.
The imperial sizing makes it compatible with a wide range of North American machinery, offering versatility across different industries.

Built for Heavy-Duty Use: 52400W-52637D Bearing
This bearing excels in agricultural machinery, such as tractors and harvesters, where its tapered roller design manages high radial and thrust forces.
The open seal type allows for easy lubrication, ensuring long service life even in dusty or harsh conditions.

Automotive vs Aerospace: Applications of 52400W-52637D Bearing
In automotive settings, 52400W-52637D Bearing supports heavy-duty axles and transmissions, while in aerospace, it’s used in landing gear systems for its reliability.
The standard radial clearance and ABEC-1 rating make it suitable for precision applications without requiring ultra-tight tolerances.

Key Fields for 52400W-52637D Bearing
52400W-52637D Bearing is ideal for railway applications, such as freight car axles, where its robust design handles constant vibration and heavy loads.
The steel cage and chrome steel rollers provide excellent wear resistance, ensuring consistent performance over time.

Q&A

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