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TS (Single Row Tapered Roller Bearings) (Imperial) 3779-3720V

TS (Single Row Tapered Roller Bearings) (Imperial) 3779-3720V

The 3779-3720V is a single-row tapered roller bearing with a 1.875″ bore and 3.6718″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 27500 lbf radially and 4120 lbf thrust, suitable for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 2 lb, it offers a balance of strength and manageable size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 3779-3720V
  • Brand TFL
  • Interchangeable Timken
  • Size 1.875" x 3.6718" x 1.1876"
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.6718"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.193"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.17"
  • Cone Backface Backing Diameter 2.4"
  • Cup Frontface Backing Diameter 3.50"
  • Cup Backface Backing Diameter 3.23"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3779
  • Cup Part Number 3720V
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 27500 lbf
  • Static Radial Load 34300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7120 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4120 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 2 lb

Features

Performance Features of 3779-3720V Bearing

3779-3720V Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 27,500 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 3779-3720V Bearing Engineered for Reliability?

3779-3720V Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction resists wear, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 4,120 lbf (Ca90) highlights its versatility.
The ABEC-1 rating confirms its precision for general industrial use.

Built for Durability: 3779-3720V Bearing

3779-3720V Bearing’s chrome steel components withstand heavy loads, with a static radial load of 34,300 lbf.
The tapered roller design distributes stress evenly, extending service life.
Lubrication is required to maintain optimal performance in demanding environments.
Its 3700 series construction balances strength and efficiency for various applications.

Steel vs Ceramic Bearings: Strengths of 3779-3720V Bearing

3779-3720V Bearing uses chrome steel for both rollers and rings, offering cost-effective durability.
Unlike ceramic options, it provides excellent load capacity (27,500 lbf dynamic radial) without premium pricing.
The steel cage maintains roller spacing effectively under stress.
Its -30° to 110°C operating range suits most industrial environments.

Application

Industrial Uses of 3779-3720V Bearing
The 3779-3720V Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in rugged environments.
In automotive applications, 3779-3720V Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for Timken equivalents in older vehicles.

Where Is 3779-3720V Bearing Used?
You’ll often find 3779-3720V Bearing in industrial gearboxes, where its single-row design simplifies maintenance. The open seal type allows for easy lubrication, extending service life in high-load scenarios.
For conveyor systems, 3779-3720V Bearing’s standard radial clearance ensures smooth operation even with minor misalignments. Its steel cage adds stability during prolonged use.

Built for Heavy-Duty Use: 3779-3720V Bearing
3779-3720V Bearing excels in mining equipment, where its dynamic radial load capacity handles intense vibrations. The tapered rollers distribute stress evenly, reducing wear over time.
In forestry machinery, 3779-3720V Bearing’s temperature range (-30° to 110°C) ensures performance in harsh climates. The ABEC-1 rating balances precision and cost-effectiveness for these applications.

Automotive vs Aerospace: Applications of 3779-3720V Bearing
In automotive settings, 3779-3720V Bearing supports drivetrain components like axles, thanks to its robust static load rating. The inch measurements align with North American manufacturing standards.
For aerospace ground equipment, 3779-3720V Bearing’s compliance with RoHS and REACH makes it a safer choice. However, its ABEC-1 rating limits use in high-precision flight systems.

Q&A

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