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TS (Single Row Tapered Roller Bearings) (Imperial) 3783-3727

TS (Single Row Tapered Roller Bearings) (Imperial) 3783-3727

The 3783-3727 is a single-row tapered roller bearing with a 1.75″ bore and 3.6875″ 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, it meets essential safety and environmental requirements.

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Product Parameters

  • Part Number 3783-3727
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.6875" x 1.1876"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.6875"
  • 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 2.05"
  • Cone Backface Backing Diameter 2.52"
  • 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 3783
  • Cup Part Number 3727
  • 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 3783-3727 Bearing

3783-3727 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 various applications.

The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in diverse environmental conditions.

3783-3727 Bearing’s standard radial clearance provides flexibility for different installation needs.
Its ABEC-1 rating ensures consistent precision for industrial and automotive uses.

Application

Industrial Uses of 3783-3727 Bearing
3783-3727 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 3783-3727 Bearing fits well in wheel hubs and drivetrains, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken equivalents.

For industrial fans and pumps, 3783-3727 Bearing’s open design allows easy lubrication, extending service life in continuous operation. The standard radial clearance offers flexibility for different installation requirements.

Where Is 3783-3727 Bearing Used?
You’ll often find 3783-3727 Bearing in agricultural machinery, where its robust design copes with dusty environments. The steel cage adds extra strength to withstand vibrations and shocks.

In conveyor systems, 3783-3727 Bearing supports heavy loads while maintaining smooth rotation. Its ABEC-1 rating ensures consistent performance without unnecessary precision overhead.

Built for Heavy-Duty Use: 3783-3727 Bearing
3783-3727 Bearing excels in mining equipment, thanks to its high dynamic radial load capacity. The tapered rollers distribute stress evenly, reducing wear over time.

For gearboxes, 3783-3727 Bearing’s effective center location helps maintain alignment under thrust loads. The inch measurements simplify integration with North American machinery designs.

Automotive vs Aerospace: Applications of 3783-3727 Bearing
In automotive axles, 3783-3727 Bearing handles both radial and thrust loads during cornering. The chrome steel rollers provide smooth operation at moderate speeds.

For ground support equipment in aerospace, 3783-3727 Bearing offers reliable performance without the need for high-precision tolerances. Its temperature range suits most outdoor working conditions.

Q&A

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