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TS (Single Row Tapered Roller Bearings) (Imperial) 3783-3720

TS (Single Row Tapered Roller Bearings) (Imperial) 3783-3720

The 3783-3720 is a single-row tapered roller bearing with a 1.75″ bore and 3.6718″ outer diameter, crafted from robust chrome steel. It manages combined loads up to 27500 lbf radially and 4120 lbf thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability. 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 2.1 lb, it offers a sturdy build for its size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 3783-3720
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.6718" x 1.1875"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.6718"
  • 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 3.50"
  • 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 3720
  • 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 3783-3720 Bearing

3783-3720 Bearing is crafted from chrome steel for both rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 27,500 lbf, making it suitable for heavy-duty applications.

The steel cage maintains roller alignment, reducing friction and extending operational life.
With a standard radial clearance, it offers reliable performance across various conditions.

3783-3720 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its tapered roller design ensures smooth handling of both radial and thrust loads.

Application

Industrial Uses of 3783-3720 Bearing
You’ll often spot 3783-3720 Bearing in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effortlessly. The chrome steel construction gives it lasting durability in tough conditions.

Where Is 3783-3720 Bearing Used?
In automotive applications, 3783-3720 Bearing works well in wheel hubs and differential systems, thanks to its precise imperial sizing. The open design allows for easy lubrication, keeping things running smoothly.

Built for Heavy-Duty Use: 3783-3720 Bearing
This bearing shines in industrial gearboxes, where its ABEC-1 rating ensures reliable performance. The steel cage adds extra strength, making it a solid choice for high-load scenarios.

Automotive vs Aerospace: Applications of 3783-3720 Bearing
While commonly used in truck axles, 3783-3720 Bearing also fits agricultural machinery where durability matters. Its standard radial clearance offers flexibility across different applications.

Key Fields for 3783-3720 Bearing
You’ll find 3783-3720 Bearing in mining equipment, where its dynamic load capacity handles rough conditions. The temperature range makes it suitable for various working environments.

Q&A

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