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37431-37626D TDO (Two-Row Double-Outer Race) (Imperial)

37431-37626D TDO (Two-Row Double-Outer Race) (Imperial)

The 37431-37626D is a two-row tapered roller bearing with a 4.3125″ bore and 6.25″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 45100 lbf and is designed for long-lasting performance in demanding conditions.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

With standard radial clearance and ABEC-1 rating, it offers reliable precision for industrial use. Ideal for heavy machinery or automotive applications where combined loads are common.

Weighing 6.56 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

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Product Parameters

  • Part Number 37431-37626D
  • Brand TFL
  • Size 4.3125" x 6.25" x 0.844"
  • Bore Dia 4.3125"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.25"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.5625"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.844"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.1251"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 4.84"
  • Cup Frontface Backing Diameter 6.00"
  • Cage Cone Backface Clearance 0.08"
  • Dynamic Radial Load 45100 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 37431
  • Cup Part Number 37626D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 37000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 6710 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 6960 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 11700 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 6.56 lb

Features

How Is 37431-37626D Bearing Engineered for Reliability?

37431-37626D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, even under heavy dynamic radial loads of 45,100 lbf.

The steel cage maintains roller alignment, reducing wear and extending operational life.
With a standard radial clearance, it offers reliable performance in various applications.

37431-37626D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring smooth and consistent performance.

The precise tolerances in bore and outer diameters enhance fitting accuracy.
This makes 37431-37626D Bearing a dependable choice for industrial use.

Application

Industrial Uses of 37431-37626D Bearing
The 37431-37626D Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 37431-37626D Bearing supports wheel hubs and drivetrain components, providing reliable performance under high stress. The inch sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial automation, 37431-37626D Bearing’s tapered roller design offers stability in conveyor systems and robotic arms. The open seal type allows for easy lubrication, extending its service life.

Where Is 37431-37626D Bearing Used?
You’ll often find 37431-37626D Bearing in agricultural machinery, where its robust design withstands rough terrain and heavy loads. The standard radial clearance ensures smooth operation in varying conditions.

The bearing also fits well in material handling equipment, like forklifts and cranes, thanks to its high dynamic radial load capacity. Its steel cage adds extra strength for long-term use.

Built for Heavy-Duty Use: 37431-37626D Bearing
37431-37626D Bearing excels in forestry equipment, where its tapered rollers manage uneven loads effortlessly. The chrome steel rollers resist wear, even in abrasive environments.

In power transmission systems, this bearing’s double-row configuration provides balanced support for shafts and gears. The ABEC-1 rating ensures consistent performance for general industrial applications.

Automotive vs Aerospace: Applications of 37431-37626D Bearing
In automotive settings, 37431-37626D Bearing is ideal for axle systems, offering reliable load distribution. Its inch measurements align with standard US automotive specs.

For aerospace ground support equipment, the bearing’s temperature range (-30° to 110°C) ensures functionality in diverse climates. However, it’s more suited for heavy ground machinery than flight components.

Q&A

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