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

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

The 37431A-37626D is a double-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 53400 lbf and is designed for long-lasting performance in demanding conditions.

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

This model is part of the 37000 series, known for reliability in heavy-duty applications. Ideal for industrial machinery or automotive systems where high radial and thrust loads are common.

Weighing 6.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most applications. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number 37431A-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 4.96"
  • Cup Frontface Backing Diameter 6.00"
  • Cage Cone Backface Clearance 0.08"
  • Dynamic Radial Load 53400 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 37431A
  • 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) 7960 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 8250 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 13900 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 6.5 lb

Features

Performance Features of 37431A-37626D Bearing

37431A-37626D Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 53,400 lbf, making it suitable for heavy-duty applications.
The double-row tapered roller design ensures stability and efficient load distribution.
With a standard radial clearance, it provides reliable operation in various conditions.

How Is 37431A-37626D Bearing Engineered for Reliability?

37431A-37626D Bearing features a steel cage that maintains roller alignment, reducing wear and extending lifespan.
The chrome steel construction resists wear, ensuring consistent performance over time.
Its double-row design enhances load-bearing capacity, making it ideal for demanding environments.
The bearing operates efficiently within a temperature range of -30° to 110°C.

Built for Durability: 37431A-37626D Bearing

37431A-37626D Bearing’s tapered roller design minimises friction, promoting smooth operation.
The chrome steel materials provide excellent resistance to wear and corrosion.
Its double-row construction allows it to handle both radial and thrust loads effectively.
With a dynamic thrust rating of 8,250 lbf, it performs reliably under heavy loads.

Steel vs Ceramic Bearings: Strengths of 37431A-37626D Bearing

37431A-37626D Bearing uses chrome steel for both rings and rollers, ensuring durability and strength.
The steel cage design keeps rollers in place, enhancing performance and reducing maintenance.
Its double-row tapered roller construction offers superior load distribution.
The bearing is compliant with RoHS and REACH standards, making it environmentally friendly.

Application

Common Applications of 37431A-37626D Bearing
37431A-37626D Bearing is widely used in heavy machinery, especially in construction equipment like excavators and bulldozers. Its double-row design handles combined loads efficiently, making it ideal for rugged environments.

In automotive applications, 37431A-37626D Bearing supports wheel hubs and drivetrains, where its tapered rollers ensure smooth performance under radial and thrust loads. The inch sizing makes it a fit for many North American vehicles.

For industrial conveyor systems, 37431A-37626D Bearing’s chrome steel construction offers durability in high-load scenarios. The open design simplifies lubrication, extending service life in continuous operations.

Why Is 37431A-37626D Bearing Essential in Machinery?
37431A-37626D Bearing excels in agricultural machinery, such as tractors and harvesters, where its robust design withstands dirt and debris. The standard radial clearance ensures reliable performance in varying conditions.

In mining equipment, 37431A-37626D Bearing’s high dynamic load capacity makes it suitable for crushers and screens. Its steel cage provides added strength for demanding applications.

Built for Heavy-Duty Use: 37431A-37626D Bearing
37431A-37626D Bearing is a go-to choice for forestry machinery, like log splitters and skidders. Its tapered rollers distribute loads evenly, reducing wear over time.

In material handling systems, 37431A-37626D Bearing’s inch dimensions and open seal type allow for easy integration. The ABEC-1 rating ensures consistent performance without over-engineering.

Automotive vs Aerospace: Applications of 37431A-37626D Bearing
In automotive settings, 37431A-37626D Bearing is commonly found in truck axles, handling heavy loads with ease. Its chrome steel rollers provide long-lasting durability.

For aerospace ground equipment, 37431A-37626D Bearing supports tow tractors and cargo loaders. The temperature range of -30° to 110°C ensures reliability in diverse climates.

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