+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 3782-3720

TS (Single Row Tapered Roller Bearings) (Imperial) 3782-3720

The 3782-3720 is a single-row tapered roller bearing with a 1.75″ bore and 3.6718″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 27500 lbf radially and 4120 lbf in thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. 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 industrial machinery or automotive systems where combined loads are common.

Weighing 2.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance ensures easy installation, with options for C3, C4, or C5 clearances if needed. Its ABEC-1 rating provides dependable precision for most industrial needs.

Perfect for applications like gearboxes or wheel hubs, where durability and load capacity are key. The tapered roller design ensures even load distribution for longer service life.

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

Product Parameters

  • Part Number 3782-3720
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.6718" x 1.1875"
  • Bore Dia 1.75"
  • 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 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.05"
  • Cone Backface Backing Diameter 2.28"
  • 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 3782
  • Cup Part Number 3720
  • 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 2.1 lb

Features

Performance Features of 3782-3720 Bearing

3782-3720 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,500 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 3782-3720 Bearing Engineered for Reliability?

3782-3720 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 4,120 lbf makes it suitable for demanding industrial uses.
The open seal type allows for easy lubrication, enhancing maintenance efficiency.

Built for Durability: 3782-3720 Bearing

3782-3720 Bearing’s chrome steel rollers and rings deliver excellent wear resistance.
The tapered roller design efficiently manages both radial and thrust loads.
With a static radial load capacity of 34,300 lbf, it excels in high-stress conditions.
The steel cage ensures stable roller movement, contributing to long service life.

Steel vs Ceramic Bearings: Strengths of 3782-3720 Bearing

3782-3720 Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice provides good resistance to wear and fatigue in industrial settings.
The bearing’s ABEC-1 rating ensures consistent precision for most applications.
Its standard radial clearance offers reliable performance without excessive maintenance.

Application

Industrial Uses of 3782-3720 Bearing
The 3782-3720 Bearing is a reliable choice for heavy machinery, especially in construction equipment where combined loads are common. Its tapered roller design ensures smooth operation even under demanding conditions.

In automotive applications, 3782-3720 Bearing fits well in wheel hubs and differential systems, thanks to its robust chrome steel construction. The imperial sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 3782-3720 Bearing offers durability and ease of maintenance. The open seal type allows for straightforward lubrication, extending its service life in high-use environments.

Where Is 3782-3720 Bearing Used?
You’ll often find 3782-3720 Bearing in agricultural machinery, where its ability to handle combined loads is essential. The steel cage adds extra strength for tough farming conditions.

In mining equipment, 3782-3720 Bearing performs well under heavy radial and thrust loads. Its standard radial clearance ensures reliable performance in dusty and high-vibration settings.

Built for Heavy-Duty Use: 3782-3720 Bearing
3782-3720 Bearing is ideal for forestry machinery, where its tapered rollers manage uneven loads effectively. The chrome steel rollers resist wear, even in harsh outdoor conditions.

For material handling systems, 3782-3720 Bearing provides consistent performance. Its ABEC-1 rating ensures sufficient precision for most industrial applications.

Automotive vs Aerospace: Applications of 3782-3720 Bearing
In automotive settings, 3782-3720 Bearing is commonly used in truck axles, offering durability and load capacity. The imperial measurements align with many commercial vehicle standards.

While not typically used in aerospace, 3782-3720 Bearing suits ground support equipment well. Its temperature range covers most operational needs without requiring specialised materials.

Q&A

SEND INQUIRY