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TS (Single Row Tapered Roller Bearings) (Imperial) 3783-3732

TS (Single Row Tapered Roller Bearings) (Imperial) 3783-3732

The 3783-3732 is a single-row tapered roller bearing with a 1.75″ bore and 3.875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 27500 lbf radially and 4120 lbf in thrust, suitable for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 2.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 3783-3732
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.875" x 1.1875"
  • Bore Dia 1.75"
  • 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 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.05"
  • 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 3783
  • 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 2.4 lb

Features

Performance Features of 3783-3732 Bearing

3783-3732 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,500 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 3783-3732 Bearing Engineered for Reliability?

3783-3732 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) provides consistent performance under stress.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 3783-3732 Bearing

3783-3732 Bearing’s tapered roller design efficiently manages both radial and thrust loads.
The chrome steel components resist wear, extending the bearing’s service life.
With an ABEC-1 rating, it balances precision and affordability.
Its standard construction simplifies installation, saving time and effort.

Steel vs Ceramic Bearings: Strengths of 3783-3732 Bearing

3783-3732 Bearing uses chrome steel for both rollers and rings, ensuring cost-effective durability.
The material choice provides excellent load capacity, with a static radial load of 34,300 lbf.
Its steel cage maintains roller alignment, even under high stress.
This design is ideal for applications where reliability and value are priorities.

Application

Common Applications of 3783-3732 Bearing
In industrial settings, 3783-3732 Bearing is widely used in heavy machinery like conveyor systems and gearboxes, where its tapered roller design efficiently handles combined loads. The chrome steel construction ensures durability even in demanding environments.
For automotive applications, 3783-3732 Bearing fits well in wheel hubs and drivetrains, providing reliable performance under both radial and thrust forces. Its imperial sizing makes it a convenient choice for American-made vehicles.
In construction equipment, 3783-3732 Bearing’s robust design supports heavy loads in excavators and cranes. The open seal type allows for easy lubrication, extending its service life in dusty conditions.

Why Is 3783-3732 Bearing Essential in Machinery?
3783-3732 Bearing plays a key role in agricultural machinery, such as tractors and harvesters, where its ability to handle combined loads is crucial. The steel cage adds extra strength for long-term use.
In mining equipment, 3783-3732 Bearing’s high dynamic radial load capacity makes it suitable for crushers and screens. Its standard radial clearance ensures smooth operation under varying conditions.

Built for Heavy-Duty Use: 3783-3732 Bearing
3783-3732 Bearing is a reliable choice for forestry equipment like log splitters and sawmills, thanks to its tapered roller design. The chrome steel rollers provide excellent wear resistance.
In material handling systems, 3783-3732 Bearing’s static radial load capacity ensures stability for heavy loads. Its compatibility with Timken models makes replacement straightforward.

Automotive vs Aerospace: Applications of 3783-3732 Bearing
In automotive systems, 3783-3732 Bearing is commonly found in differentials and axles, where its combined load capability is essential. The ABEC-1 rating ensures consistent performance.
For aerospace ground support equipment, 3783-3732 Bearing’s temperature range suits various operational conditions. The inch measurements align with many US-manufactured components.

Where Is 3783-3732 Bearing Used?
3783-3732 Bearing is often seen in railway applications, particularly in bogies and couplings, due to its high dynamic thrust rating. The open design simplifies maintenance.
In power generation equipment, 3783-3732 Bearing’s static radial load capacity supports turbines and generators. Its steel cage ensures reliability under continuous operation.

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