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TS (Single Row Tapered Roller Bearings) (Imperial) 3778-3732

TS (Single Row Tapered Roller Bearings) (Imperial) 3778-3732

The 3778-3732 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 thrust, making it versatile for various applications.

Its open design allows 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 2.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 3778-3732
  • Brand TFL
  • Interchangeable Timken
  • Size 1.875" x 3.875" x 1.1876"
  • 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 1.1876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.17"
  • Cone Backface Backing Diameter 2.64"
  • 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 3778
  • 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

How Does 3778-3732 Bearing Handle Combined Loads?

3778-3732 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, ensuring reliable performance in demanding applications.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

Structural Advantages of 3778-3732 Bearing

3778-3732 Bearing features a single row tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability and resistance to wear in heavy-duty applications.
Its standard radial clearance ensures smooth operation, while the open design simplifies maintenance.
The bearing’s effective centre location enhances stability during operation.

Why Choose 3778-3732 Bearing for Precision Tasks?

3778-3732 Bearing’s tapered roller design ensures precise load distribution, reducing stress on components.
The ABEC-1 rating guarantees consistent performance in applications requiring moderate precision.
Its dynamic thrust rating of 4,120 lbf at 90 million revolutions highlights its long-term reliability.
The steel cage and chrome steel rollers work together to minimise operational noise.

Application

Industrial Uses of 3778-3732 Bearing
The 3778-3732 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 conditions, making it reliable for long-term use.

Where Is 3778-3732 Bearing Used?
You’ll often find the 3778-3732 Bearing in automotive applications, particularly in wheel hubs and differential systems.
Its imperial sizing makes it a perfect fit for North American vehicles, offering smooth performance under heavy loads.

Built for Heavy-Duty Use: 3778-3732 Bearing
In industrial settings, the 3778-3732 Bearing excels in conveyor systems and gearboxes, thanks to its robust design.
The open seal type allows for easy lubrication, keeping maintenance straightforward and efficient.

Automotive vs Aerospace: Applications of 3778-3732 Bearing
While the 3778-3732 Bearing is popular in automotive wheel assemblies, it’s also suitable for aerospace landing gear components.
Its ability to handle both radial and thrust loads makes it versatile across different industries.

Key Fields for 3778-3732 Bearing
The 3778-3732 Bearing is a go-to for agricultural machinery, where its tapered rollers manage uneven loads with ease.
Steel cage construction adds extra strength, ensuring reliable performance in demanding environments.

Q&A

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