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

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

The 3767A-3729D is a two-row tapered roller bearing with a 2.0625″ bore and 3.6718″ outer diameter, built from sturdy chrome steel for combined load handling. It supports dynamic radial loads up to 47,800 lbf and fits standard lubrication for smooth operation.

Its double-row design boosts load capacity, while the open structure simplifies maintenance. The steel cage ensures durability, and it operates reliably in temperatures from -30°C to 110°C.

This bearing suits heavy-duty applications like truck axles or industrial gearboxes where combined loads are common. With ABEC-1 precision and standard radial clearance, it balances performance and affordability.

Weighing 3.82 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a practical choice for replacements or new installations.

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Product Parameters

  • Part Number 3767A-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 3767A
  • 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 3.82 lb

Features

Performance Features of 3767A-3729D Bearing

3767A-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 distributes loads evenly, enhancing durability and reducing wear.
With a standard radial clearance, it provides flexibility for various operational needs.

3767A-3729D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, contributing to smooth and consistent performance.

The open seal design allows for easy lubrication, ensuring long service life.
This bearing is ideal for applications requiring high load capacity and reliability.

Application

Industrial Uses of 3767A-3729D Bearing
3767A-3729D Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 3767A-3729D Bearing Used?
You’ll often find 3767A-3729D Bearing in agricultural machinery, such as tractors and harvesters, where its tapered roller design provides reliable performance. The inch sizing makes it a good fit for older or imperial-based equipment.

Built for Heavy-Duty Use: 3767A-3729D Bearing
3767A-3729D Bearing excels in industrial gearboxes, offering smooth operation under high radial loads. Its open design allows for easy lubrication, extending service life in continuous-use applications.

Automotive vs Aerospace: Applications of 3767A-3729D Bearing
In automotive applications, 3767A-3729D Bearing supports wheel hubs and differentials, while in aerospace, it’s used in auxiliary systems where precision and reliability are key. The ABEC-1 rating ensures consistent performance.

Perfect Fit for Automation: 3767A-3729D Bearing
3767A-3729D Bearing works well in automated conveyor systems, handling both radial and axial loads with ease. The steel cage adds stability, making it suitable for high-speed production lines.

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