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TS (Single Row Tapered Roller Bearings) (Imperial) 3780-3726

TS (Single Row Tapered Roller Bearings) (Imperial) 3780-3726

The 3780-3726 is a single-row tapered roller bearing with a 2-inch bore and 3.75-inch outer diameter, built from sturdy chrome steel. It handles combined loads up to 27500 lbf radially and 4120 lbf thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing just 2 pounds, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 3780-3726
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 3.75" x 1.1875"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.75"
  • 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 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.28"
  • Cone Backface Backing Diameter 2.52"
  • Cup Frontface Backing Diameter 3.54"
  • Cup Backface Backing Diameter 3.27"
  • 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 3780
  • Cup Part Number 3726
  • 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

Why Choose 3780-3726 Bearing for Combined Loads?

3780-3726 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 27,500 lbf, making it suitable for demanding industrial applications.

The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environmental conditions.

The tapered roller design efficiently handles combined loads, ensuring smooth operation.
Its standard radial clearance options provide flexibility for different installation requirements.

Application

Industrial Uses of 3780-3726 Bearing
The 3780-3726 Bearing is a solid choice for heavy machinery like construction equipment, where its tapered roller design handles combined loads effortlessly. Its chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 3780-3726 Bearing fits well in wheel hubs and differentials, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial fans and pumps, 3780-3726 Bearing’s open design allows for easy lubrication, extending its service life. The standard radial clearance offers flexibility for different operational needs.

Where Is 3780-3726 Bearing Used?
You’ll often find 3780-3726 Bearing in agricultural machinery, where its robust design handles heavy loads and rough terrain. The steel cage adds extra strength for long-term use.

In conveyor systems, 3780-3726 Bearing’s tapered rollers manage both radial and thrust loads smoothly. Its ABEC-1 rating ensures consistent performance without overcomplicating the design.

Built for Heavy-Duty Use: 3780-3726 Bearing
The 3780-3726 Bearing excels in mining equipment, where its high dynamic load capacity keeps operations running smoothly. The chrome steel rollers resist wear even under constant stress.

For gearboxes, 3780-3726 Bearing’s precise tolerances ensure smooth power transmission. The standard radial clearance makes it adaptable to various industrial settings.

Automotive vs Aerospace: Applications of 3780-3726 Bearing
In automotive drivetrains, 3780-3726 Bearing handles high torque and varying speeds with ease. Its inch measurements align perfectly with many truck and off-road vehicle designs.

For aerospace ground equipment, 3780-3726 Bearing’s reliability shines in load-handling applications. The temperature range suits both indoor and outdoor use.

Q&A

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