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TS (Single Row Tapered Roller Bearings) (Imperial) 3780V-3720V

TS (Single Row Tapered Roller Bearings) (Imperial) 3780V-3720V

The 3780V-3720V is a single-row tapered roller bearing with a 2-inch bore and 3.6718-inch outer diameter, crafted from robust chrome steel. It manages combined loads up to 32500 lbf radially and 4890 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, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.9 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe and versatile use.

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Product Parameters

  • Part Number 3780V-3720V
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 3.6718" x 1.1876"
  • Bore Dia 2"
  • 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 2.28"
  • Cone Backface Backing Diameter 2.52"
  • 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 3780V
  • 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 32500 lbf
  • Static Radial Load 34300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 8440 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4890 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 1.900 lb

Features

Performance Features of 3780V-3720V Bearing

3780V-3720V Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 32,500 lbf, ensuring reliable performance in demanding conditions.
The steel cage keeps the rollers aligned, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 3780V-3720V Bearing Engineered for Reliability?

3780V-3720V Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its effective centre location of -0.32″ enhances stability under heavy loads.
Lubrication is required to maintain peak performance over time.

Designed for Durability: 3780V-3720V Bearing

3780V-3720V Bearing’s tapered roller design distributes loads evenly, reducing wear.
The steel cage and chrome steel rollers work together to handle dynamic thrust ratings up to 4,890 lbf.
With an ABEC-1 rating, it balances precision and affordability.
Its open seal type allows for easy lubrication and maintenance.

Steel vs Ceramic Bearings: Strengths of 3780V-3720V Bearing

3780V-3720V Bearing uses chrome steel for both rollers and rings, ensuring strength and longevity.
The tapered roller design efficiently manages combined loads, making it versatile for various applications.
Its static radial load capacity of 34,300 lbf highlights its robustness.
The inch-based sizing ensures compatibility with imperial system machinery.

Application

Industrial Uses of 3780V-3720V Bearing
The 3780V-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 even in tough working conditions.

In automotive applications, 3780V-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 many North American vehicle models.

For industrial conveyors, 3780V-3720V Bearing’s open design allows easy lubrication, extending service life in high-load scenarios. The standard radial clearance offers flexibility for different operational needs.

Where Is 3780V-3720V Bearing Used?
You’ll often find 3780V-3720V Bearing in mining equipment, where its robust design copes with extreme loads and harsh environments. The steel cage adds extra strength for prolonged use.

In power transmission systems, 3780V-3720V Bearing supports shafts and gears, ensuring smooth rotation under heavy radial and thrust loads. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 3780V-3720V Bearing
The 3780V-3720V Bearing excels in applications like forklifts and cranes, where its tapered rollers distribute loads evenly. The chrome steel rollers resist wear, reducing maintenance needs.

For pulp and paper machinery, 3780V-3720V Bearing’s temperature tolerance ensures stable performance in both hot and cold conditions. Its standard lubrication requirement simplifies upkeep in busy plants.

Automotive vs Aerospace: Applications of 3780V-3720V Bearing
In automotive settings, 3780V-3720V Bearing handles wheel and drivetrain loads reliably, thanks to its combined load capacity. The inch measurements make it compatible with many US-made vehicles.

For aerospace ground equipment, 3780V-3720V Bearing supports auxiliary systems like fuel pumps and landing gear mechanisms. Its compliance with RoHS and REACH standards ensures environmental safety.

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