+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
3780V-3729D TDO (Two-Row Double-Outer Race) (Imperial)

3780V-3729D TDO (Two-Row Double-Outer Race) (Imperial)

The 3780V-3729D is a two-row tapered roller bearing with a 2″ bore and 3.6718″ outer diameter, built from sturdy chrome steel for heavy-duty use. It handles combined loads up to 56700 lbf and is designed for long-lasting performance.

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

This double-row design offers stability under radial and thrust loads, with standard radial clearance options available. Ideal for industrial machinery or vehicle applications where robust performance is needed.

Weighing 3.95 lb, it’s a solid choice for demanding settings. Compliant with RoHS and REACH standards for safe use.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 3780V-3729D
  • Brand TFL
  • Size 2" x 3.6718" x 1.193"
  • Bore Dia 2"
  • 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 2.52"
  • Cup Frontface Backing Diameter 3.50"
  • Cage Cone Backface Clearance 0.06"
  • Dynamic Radial Load 56700 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3780V
  • 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) 8440 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 4890 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 14700 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 3.95 lb

Features

Performance Features of 3780V-3729D Bearing

3780V-3729D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 56,700 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design of 3780V-3729D Bearing enhances stability and load distribution.
With a standard radial clearance, it provides smooth operation across various conditions.

3780V-3729D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The open design of 3780V-3729D Bearing simplifies lubrication and maintenance.
Weighing just 3.95 lb, it balances durability with ease of handling.

Application

Industrial Uses of 3780V-3729D Bearing
The 3780V-3729D 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.

In automotive applications, 3780V-3729D Bearing supports wheel hubs and drivetrain components, providing reliable performance under high stress. The imperial sizing makes it a practical choice for North American vehicle models.

For industrial automation, 3780V-3729D Bearing’s tapered roller design offers smooth operation in conveyor systems and robotic arms. The open seal type allows for easy lubrication, extending its service life.

Where Is 3780V-3729D Bearing Used?
You’ll often find 3780V-3729D Bearing in agricultural machinery, where its robust design handles the rough conditions of tractors and harvesters. The standard radial clearance ensures consistent performance over time.

In material handling systems, 3780V-3729D Bearing’s high dynamic load capacity makes it ideal for forklifts and cranes. The steel cage adds extra strength, reducing wear during frequent use.

Built for Heavy-Duty Use: 3780V-3729D Bearing
The 3780V-3729D Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its ability to withstand heavy loads. Its ABEC-1 rating ensures reliable precision for most industrial needs.

For wind turbine applications, 3780V-3729D Bearing’s temperature range and lubrication requirements make it suitable for both cold and moderate climates. The double-row design distributes loads evenly, reducing stress on individual components.

Q&A

SEND INQUIRY