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3775-3729DC TDO (Two-Row Double-Outer Race) (Imperial)

3775-3729DC TDO (Two-Row Double-Outer Race) (Imperial)

The 3775-3729DC is a double-row tapered roller bearing with a 2″ bore and 3.6718″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 47800 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 3700 series, offering reliable performance for industrial applications. Ideal for heavy machinery or equipment where combined radial and thrust loads are common.

Weighing just under 4 lbs, it’s a robust choice for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 3775-3729DC
  • 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 2.28"
  • 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 3775
  • Cup Part Number 3729DC
  • 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 3.990 lb

Features

Performance Features of 3775-3729DC Bearing

3775-3729DC 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 enhances stability and load distribution.
This construction allows 3775-3729DC Bearing to handle both radial and thrust loads efficiently.

With a temperature range of -30° to 110°C, it performs well in various operating conditions.
The standard radial clearance options provide flexibility for different installation requirements.

3775-3729DC Bearing’s steel cage maintains roller alignment, reducing wear and extending service life.
Its open design simplifies lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 3775-3729DC Bearing
3775-3729DC Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 3775-3729DC Bearing Used?
You’ll often find 3775-3729DC Bearing in automotive applications, particularly in wheel hubs and differential systems. Its tapered roller design provides smooth performance even under high stress.

Built for Heavy-Duty Use: 3775-3729DC Bearing
3775-3729DC Bearing excels in industrial fans and pumps, thanks to its robust construction and standard radial clearance. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 3775-3729DC Bearing
In automotive settings, 3775-3729DC Bearing supports wheel assemblies, while in aerospace, it’s suited for auxiliary systems requiring reliable load handling. The inch sizing makes it versatile for various applications.

Essential Roles of 3775-3729DC Bearing
3775-3729DC Bearing is a go-to choice for conveyor systems and material handling equipment. Its steel cage and chrome steel rollers ensure consistent performance in demanding environments.

Q&A

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