+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 3877A-3820

TS (Single Row Tapered Roller Bearings) (Imperial) 3877A-3820

The 3877A-3820 is a single-row tapered roller bearing with a 1.625″ bore and 3.375″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 27900 lbf radially and 4980 lbf in thrust, suitable for demanding applications.

Its open design simplifies 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, offering a reliable replacement option. It’s ideal for heavy-duty machinery, automotive systems, or industrial equipment where combined loads are common.

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

The standard radial clearance (with options for C3/C4/C5) provides flexibility for different setups. Its ABEC-1 rating ensures consistent performance for general industrial use.

The tapered roller design efficiently handles both radial and thrust loads, making it versatile for various mechanical systems. Easy to maintain and built to last, it’s a practical choice for engineers and maintenance teams.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 3877A-3820
  • 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 0.09"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.98"
  • Cone Backface Backing Diameter 2.17"
  • 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 3877A
  • 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

Why Choose 3877A-3820 Bearing for Precision Tasks?

3877A-3820 Bearing is crafted from chrome steel, offering high resistance to combined loads with a dynamic radial load capacity of 27,900 lbf.
Its tapered roller design ensures smooth operation and efficient load distribution.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 3877A-3820 Bearing Engineered for Reliability?

3877A-3820 Bearing features a single-row tapered roller construction, ideal for handling both radial and thrust loads.
The chrome steel rollers and rings provide durability, while the steel cage ensures stability.
Its dynamic thrust rating of 4,980 lbf makes it suitable for demanding applications.
The standard radial clearance allows for flexibility in different operational settings.

Built for Durability: 3877A-3820 Bearing

3877A-3820 Bearing is designed with precision tolerances, ensuring consistent performance under heavy loads.
The chrome steel components resist wear, while the tapered rollers enhance load-bearing capacity.
Its ABEC-1 rating guarantees reliable precision for various industrial uses.
The open design simplifies lubrication, maintaining optimal performance over time.

Application

Common Applications of 3877A-3820 Bearing
3877A-3820 Bearing is widely used in industrial machinery, especially in heavy-duty equipment like gearboxes and power transmission systems. Its tapered roller design handles combined loads efficiently, making it suitable for rugged environments.

In automotive applications, 3877A-3820 Bearing is often found in wheel hubs and differential systems, where its durability and precision are key. The imperial sizing ensures compatibility with many North American vehicle models.

For construction equipment, 3877A-3820 Bearing’s chrome steel construction provides reliable performance under high stress. The open design allows for easy lubrication, extending its service life in demanding conditions.

Q&A

SEND INQUIRY