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TS (Single Row Tapered Roller Bearings) (Imperial) 3879-3822RB

TS (Single Row Tapered Roller Bearings) (Imperial) 3879-3822RB

The 3879-3822RB is a single-row tapered roller bearing with a 1.5748″ bore and 3.4688″ 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 just 2lb, it balances strength and portability. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 3879-3822RB
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5748" x 3.4688" x 1.1876"
  • Bore Dia 1.5748"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.4688"
  • 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 1.1876"
  • 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 3.27"
  • Cup Backface Backing Diameter 2.91"
  • 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 3822RB
  • 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 2 lb

Features

Performance Features of 3879-3822RB Bearing

3879-3822RB Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,900 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 3879-3822RB Bearing Engineered for Reliability?

3879-3822RB Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 4,980 lbf (Ca90) provides consistent performance under stress.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 3879-3822RB Bearing

3879-3822RB Bearing’s chrome steel rollers and rings deliver excellent wear resistance.
With a static radial load capacity of 33,200 lbf, it handles heavy loads with ease.
The steel cage design ensures proper roller spacing, reducing wear over time.
Its ABEC-1 rating confirms precision manufacturing for reliable performance.

Steel vs Ceramic Bearings: Strengths of 3879-3822RB Bearing

3879-3822RB Bearing uses chrome steel for both rollers and rings, offering cost-effective durability.
The material choice provides good heat resistance within its -30° to 110°C operating range.
Unlike ceramic options, this steel construction better handles shock loads in industrial applications.
The standard radial clearance makes it versatile for various installation requirements.

Application

Industrial Uses of 3879-3822RB Bearing
3879-3822RB Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 3879-3822RB Bearing Used?
You’ll often find 3879-3822RB Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for older or custom-built vehicles.

Built for Heavy-Duty Use: 3879-3822RB Bearing
3879-3822RB Bearing excels in industrial gearboxes, providing smooth operation under high loads. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 3879-3822RB Bearing
In automotive settings, 3879-3822RB Bearing supports drivetrain components, while its precision makes it suitable for aerospace landing gear systems. The steel cage adds extra strength for high-stress scenarios.

Perfect Fit for Automation: 3879-3822RB Bearing
3879-3822RB Bearing works well in automated conveyor systems, where its tapered rollers ensure consistent performance. The ABEC-1 rating balances precision and cost for industrial applications.

Q&A

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