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TS (Single Row Tapered Roller Bearings) (Imperial) 3779-3732

TS (Single Row Tapered Roller Bearings) (Imperial) 3779-3732

The 3779-3732 is a single-row tapered roller bearing with a 1.875″ bore and 3.875″ 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 easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

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

Weighing 2.3 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The standard radial clearance (with options for C3/C4/C5) provides flexibility for different setups. Its ABEC-1 rating ensures consistent performance for general industrial use.

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Product Parameters

  • Part Number 3779-3732
  • Brand TFL
  • Interchangeable Timken
  • Size 1.875" x 3.875" x 1.1875"
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.875"
  • 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 2.17"
  • Cone Backface Backing Diameter 2.4"
  • Cup Frontface Backing Diameter 3.56"
  • Cup Backface Backing Diameter 3.31"
  • 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 3732
  • 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 2.3 lb

Features

Performance Features of 3779-3732 Bearing

3779-3732 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 demanding conditions.
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 3779-3732 Bearing Engineered for Reliability?

3779-3732 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 4,120 lbf (Ca90) makes it suitable for high-stress applications.
The open seal type allows for easy lubrication, maintaining performance over time.

Built for Durability: 3779-3732 Bearing

3779-3732 Bearing’s tapered roller design distributes loads evenly, reducing wear and tear.
The chrome steel components resist corrosion, ensuring longevity even in harsh conditions.
With a static radial load capacity of 34,300 lbf, it handles heavy-duty tasks with ease.
Its ABEC-1 rating guarantees consistent precision and reliability.

Steel vs Ceramic Bearings: Strengths of 3779-3732 Bearing

3779-3732 Bearing uses chrome steel for both rollers and rings, balancing strength and cost-effectiveness.
The steel cage ensures stable roller movement, minimising friction and noise.
Its dynamic radial rating (C90) of 7,120 lbf makes it a dependable choice for industrial applications.
The standard radial clearance option provides flexibility for different operational needs.

Application

Common Applications of 3779-3732 Bearing
In industrial settings, 3779-3732 Bearing is widely used in heavy machinery like conveyor systems and gearboxes, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 3779-3732 Bearing Used?
You’ll often find 3779-3732 Bearing in automotive applications, particularly in wheel hubs and differentials, where its ability to manage both radial and thrust loads is crucial. The inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 3779-3732 Bearing
This bearing excels in construction equipment, such as excavators and cranes, thanks to its robust steel cage and high dynamic load capacity. Its open design allows for easy lubrication, extending service life.

Automotive vs Aerospace: Applications of 3779-3732 Bearing
While 3779-3732 Bearing is common in trucks and tractors, its precision also suits aerospace components like landing gear systems. The ABEC-1 rating ensures reliable performance across these varied uses.

Perfect Fit for Automation: 3779-3732 Bearing
In robotic arms and assembly line equipment, 3779-3732 Bearing provides smooth rotation under heavy loads. Its standard radial clearance offers a balance of precision and durability for continuous operation.

Q&A

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