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TS (Single Row Tapered Roller Bearings) (Imperial) 3879-3820

TS (Single Row Tapered Roller Bearings) (Imperial) 3879-3820

The 3879-3820 is a single-row tapered roller bearing with a 1.57″ bore and 3.37″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 27900 lbf radially and 4980 lbf thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.8 lb, it balances strength and practicality. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Its tapered roller design provides stability under heavy loads, perfect for industrial use.

Easy to maintain and install, this bearing is a practical choice for engineers and repair teams alike. Its robust construction ensures long service life in tough conditions.

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Product Parameters

  • Part Number 3879-3820
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5748" x 3.375" x 1.1875"
  • Bore Dia 1.5748"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1875"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.97"
  • Cone Backface Backing Diameter 2.01"
  • Cup Frontface Backing Diameter 3.23"
  • Cup Backface Backing Diameter 2.87"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3879
  • Cup Part Number 3820
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3800
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 27900 lbf
  • Static Radial Load 33200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7240 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4980 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 1.8 lb

Features

How Is 3879-3820 Bearing Engineered for Reliability?

3879-3820 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 27,900 lbf, making it suitable for heavy-duty applications.

The tapered roller design provides effective load distribution, reducing wear and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

3879-3820 Bearing operates within a temperature range of -30° to 110°C, ensuring stability in diverse environments.
The steel cage maintains roller alignment, contributing to smooth and efficient operation.

Application

Industrial Uses of 3879-3820 Bearing
3879-3820 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 3879-3820 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for North American vehicle models.

For industrial fans and pumps, 3879-3820 Bearing’s open design allows for easy lubrication, extending service life. The steel cage adds stability during high-speed operations.

Why Is 3879-3820 Bearing Essential in Machinery?
3879-3820 Bearing plays a key role in agricultural machinery, supporting axial and radial loads in tractors and harvesters. Its robust design withstands harsh field conditions.

In conveyor systems, 3879-3820 Bearing ensures smooth material handling with minimal maintenance. The standard radial clearance offers flexibility for different operational needs.

Built for Heavy-Duty Use: 3879-3820 Bearing
3879-3820 Bearing is ideal for mining equipment, where its tapered rollers manage heavy loads and shock resistance. The ABEC-1 rating balances precision and cost-effectiveness.

For gearboxes, 3879-3820 Bearing’s combined load capacity ensures efficient power transmission. The chrome steel rollers reduce friction, enhancing longevity.

Automotive vs Aerospace: Applications of 3879-3820 Bearing
In automotive drivetrains, 3879-3820 Bearing supports high torque demands, while its temperature range suits engine compartments. The interchangeable Timken design simplifies replacements.

For aerospace ground equipment, 3879-3820 Bearing’s reliability is valued in landing gear systems. Its weight-to-strength ratio meets industry standards without excess bulk.

Q&A

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