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TS (Single Row Tapered Roller Bearings) (Imperial) 3780-3732

TS (Single Row Tapered Roller Bearings) (Imperial) 3780-3732

The 3780-3732 is a single-row tapered roller bearing with a 2″ 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, gearboxes, or automotive systems where combined loads are common.

Weighing 2.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most industrial environments.

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Product Parameters

  • Part Number 3780-3732
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 3.875" x 1.1875"
  • Bore Dia 2"
  • 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 2.28"
  • Cone Backface Backing Diameter 2.52"
  • 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 3780
  • 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 2.2 lb

Features

Performance Features of 3780-3732 Bearing

3780-3732 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 3780-3732 Bearing Engineered for Reliability?

3780-3732 Bearing features a single-row tapered roller design, ideal for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 4,120 lbf (Ca90) makes it suitable for heavy-duty applications.
The bearing requires lubrication but offers consistent performance across a wide temperature range.

Designed for Durability: 3780-3732 Bearing

3780-3732 Bearing’s tapered roller design efficiently manages combined loads, enhancing longevity.
The chrome steel components resist wear, maintaining performance under static loads up to 34,300 lbf.
Its ABEC-1 rating ensures precision, while the steel cage promotes stability.
The bearing’s standard radial clearance allows for easy integration into various systems.

Steel vs Ceramic Bearings: Strengths of 3780-3732 Bearing

3780-3732 Bearing uses chrome steel for both rollers and rings, balancing strength and cost-effectiveness.
Its dynamic radial rating (C90) of 7,120 lbf ensures reliable performance over millions of revolutions.
The steel cage design reduces friction, making it suitable for high-load applications.
With a wide temperature tolerance, it adapts to different operating conditions.

Application

Key Fields for 3780-3732 Bearing
In industrial settings, 3780-3732 Bearing is commonly used in heavy machinery like gearboxes and conveyor systems, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

What Makes 3780-3732 Bearing a Preferred Choice?
For automotive applications, 3780-3732 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 3780-3732 Bearing
In construction equipment, 3780-3732 Bearing supports axles and drivetrains, where its high dynamic load capacity is essential. The open design allows for easy lubrication, extending service life in rugged conditions.

Automotive vs Industrial: Applications of 3780-3732 Bearing
While 3780-3732 Bearing excels in truck transmissions, it’s equally suited for industrial pumps and compressors. Its standard radial clearance offers flexibility across different operating conditions.

Essential Roles of 3780-3732 Bearing
In agricultural machinery, 3780-3732 Bearing is often found in harvesters and tractors, where its robust design withstands variable loads. The steel cage adds stability during high-speed operations.

Q&A

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