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TS (Single Row Tapered Roller Bearings) (Imperial) 3880-3821

TS (Single Row Tapered Roller Bearings) (Imperial) 3880-3821

The 3880-3821 is a single-row tapered roller bearing with a 1.625″ bore and 3.375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 27900 lbf radially and 4980 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

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

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

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Product Parameters

  • Part Number 3880-3821
  • Brand TFL
  • Interchangeable Timken
  • Size 1.625" x 3.375" x 1.1875"
  • Bore Dia 1.625"
  • 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 0.050"
  • Cone Frontface Backing Diameter 1.98"
  • Cone Backface Backing Diameter 2.05"
  • Cup Frontface Backing Diameter 3.23"
  • Cup Backface Backing Diameter 2.95"
  • 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 3880
  • Cup Part Number 3821
  • 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

Performance Features of 3880-3821 Bearing

3880-3821 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,900 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Why Choose 3880-3821 Bearing for Precision Tasks?

3880-3821 Bearing features precise cone and cup width tolerances, ensuring accurate performance.
The tapered roller design distributes loads evenly, enhancing stability and reducing friction.
Its ABEC-1 rating confirms consistent quality for precision applications.
The standard radial clearance allows for smooth operation under varying conditions.

Engineered for Reliability: 3880-3821 Bearing

3880-3821 Bearing’s chrome steel construction provides durability and long service life.
The single-row design simplifies installation while maintaining high load capacity.
Its dynamic thrust rating of 4,980 lbf ensures reliable performance in demanding setups.
The open seal type allows for easy lubrication and maintenance.

Steel vs Ceramic Bearings: Strengths of 3880-3821 Bearing

3880-3821 Bearing uses chrome steel for both rollers and rings, offering excellent strength.
This material choice ensures resistance to wear and tear in heavy-load scenarios.
The steel cage adds durability while keeping maintenance needs low.
With a weight of 1.8 lb, it balances robustness and practicality.

How Does 3880-3821 Bearing Reduce Friction?

3880-3821 Bearing’s tapered roller design minimises friction by evenly distributing loads.
The precise tolerances on cone and cup widths further enhance smooth operation.
Its chrome steel components resist wear, maintaining performance over time.
The open seal type allows for effective lubrication, reducing friction.

Application

Industrial Uses of 3880-3821 Bearing
The 3880-3821 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently.
Its chrome steel construction ensures durability even in demanding environments, making it a reliable choice for long-term use.

Where Is 3880-3821 Bearing Used?
You’ll often find the 3880-3821 Bearing in automotive applications like wheel hubs and differential systems, where its robust design supports both radial and thrust loads.
The inch sizing makes it compatible with many North American vehicles, simplifying replacements and maintenance.

Built for Heavy-Duty Use: 3880-3821 Bearing
The 3880-3821 Bearing excels in industrial settings like conveyor systems, where its open design allows for easy lubrication and inspection.
Its steel cage and chrome steel rollers provide excellent wear resistance, ensuring consistent performance over time.

Automotive vs Aerospace: Applications of 3880-3821 Bearing
In automotive systems, the 3880-3821 Bearing is ideal for transmissions and axles, thanks to its ability to handle high radial and thrust loads.
While not typically used in aerospace, its precision and reliability make it suitable for ground support equipment and other heavy-duty applications.

Perfect Fit for Automation: 3880-3821 Bearing
The 3880-3821 Bearing works well in automated machinery, such as assembly lines, where smooth operation under combined loads is essential.
Its standard radial clearance and ABEC-1 rating ensure reliable performance without unnecessary complexity.

Q&A

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