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3767-3729D TDO (Two-Row Double-Outer Race) (Imperial)

3767-3729D TDO (Two-Row Double-Outer Race) (Imperial)

The 3767-3729D is a two-row tapered roller bearing with a 2.0625″ bore and 3.6718″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads with a dynamic radial capacity of 47,800 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its double-row design provides extra stability, while the open seal allows for easy lubrication. The steel cage ensures durability, making it suitable for heavy-duty applications.

This bearing is ideal for industrial machinery or automotive systems where high radial and thrust loads are common. It’s compliant with RoHS and REACH standards, ensuring safe use in various environments.

Weighing 3.84 lb, it’s robust yet manageable for its size. The ABEC-1 rating ensures reliable precision for most general-purpose applications.

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Product Parameters

  • Part Number 3767-3729D
  • Brand TFL
  • Size 2.0625" x 3.6718" x 1.193"
  • Bore Dia 2.0625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.6718"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.0625"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.193"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.5625"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.48"
  • Cup Frontface Backing Diameter 3.50"
  • Cage Cone Backface Clearance 0.06"
  • Dynamic Radial Load 47800 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3767
  • Cup Part Number 3729D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 7120 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 4120 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 12400 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 3.84 lb

Features

Performance Features of 3767-3729D Bearing

3767-3729D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 47,800 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design of 3767-3729D Bearing provides stability and even load distribution.
This construction enhances durability, making it suitable for demanding industrial environments.

3767-3729D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options allow flexibility for different operational needs.

With a steel cage, 3767-3729D Bearing maintains roller alignment for smooth operation.
This design reduces wear and extends the bearing’s service life under heavy loads.

Application

Industrial Uses of 3767-3729D Bearing
The 3767-3729D Bearing is well-suited for heavy machinery like construction equipment and mining drills, where its double-row design handles combined radial and thrust loads efficiently.

Its chrome steel construction ensures durability in harsh environments, while the open seal allows for easy lubrication and maintenance.

Where Is 3767-3729D Bearing Used?
In automotive applications, 3767-3729D Bearing supports wheel hubs and differential systems, providing reliable performance under high stress.

The imperial sizing makes it a common choice for North American vehicles, ensuring compatibility with standard parts.

Built for Heavy-Duty Use: 3767-3729D Bearing
This bearing excels in industrial gearboxes and conveyor systems, where its tapered rollers distribute loads evenly.

The steel cage adds strength, making it a dependable option for continuous operation in demanding settings.

Automotive vs Aerospace: Applications of 3767-3729D Bearing
In automotive systems, 3767-3729D Bearing handles the rigorous demands of drivetrains and axles.

For aerospace, its precision and load capacity make it suitable for landing gear and auxiliary systems, though weight considerations may limit its use.

Key Fields for 3767-3729D Bearing
Agriculture machinery benefits from 3767-3729D Bearing’s ability to withstand dirt and moisture, ensuring long service life.

The standard radial clearance option also makes it versatile for various equipment configurations.

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