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TS (Single Row Tapered Roller Bearings) (Imperial) 3875-3820

TS (Single Row Tapered Roller Bearings) (Imperial) 3875-3820

The 3875-3820 is a single-row tapered roller bearing with a 1.5″ bore and 3.375″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 27900 lbf radially and 4980 lbf thrust, suitable for heavy-duty 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 use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 1.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 3875-3820
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 3.375" x 1.1875"
  • Bore Dia 1.5"
  • 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 1.91"
  • Cone Backface Backing Diameter 1.95"
  • 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 3875
  • 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 1.900 lb

Features

How Is 3875-3820 Bearing Engineered for Reliability?

3875-3820 Bearing features chrome steel rings and rollers, providing 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 wear and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Makes 3875-3820 Bearing Suitable for High-Temperature Applications?

3875-3820 Bearing withstands temperatures up to 110°C, maintaining performance in challenging conditions.
The chrome steel construction ensures durability and resistance to thermal expansion.
Its open design allows for effective lubrication, reducing friction and heat buildup.
With a static radial load of 33,200 lbf, it handles heavy loads with ease.

Designed for Durability: 3875-3820 Bearing

3875-3820 Bearing is built with precision to handle combined loads efficiently.
The tapered roller design distributes stress evenly, enhancing longevity.
Its standard radial clearance ensures smooth operation in various applications.
Weighing 1.900 lb, it offers a robust yet manageable solution for industrial use.

Steel vs Ceramic Bearings: Strengths of 3875-3820 Bearing

3875-3820 Bearing uses chrome steel for both rings and rollers, ensuring high strength and durability.
The steel cage provides reliable support, keeping rollers aligned under heavy loads.
With a dynamic thrust rating of 4,980 lbf, it excels in demanding applications.
Its ABEC-1 rating ensures consistent performance for precision tasks.

Application

Industrial Uses of 3875-3820 Bearing
3875-3820 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

What Makes 3875-3820 Bearing a Preferred Choice?
In automotive applications, 3875-3820 Bearing fits well in wheel hubs and differential systems, thanks to its precise imperial sizing. Its open design simplifies lubrication, keeping maintenance straightforward for busy workshops.

Built for Heavy-Duty Use: 3875-3820 Bearing
For industrial fans and pumps, 3875-3820 Bearing offers reliable performance with its standard radial clearance. The steel cage provides extra strength, making it suitable for continuous operation.

Automotive vs Aerospace: Applications of 3875-3820 Bearing
While 3875-3820 Bearing excels in truck axles and off-road vehicles, its ABEC-1 rating makes it a practical choice for less demanding aerospace components. The temperature range ensures stability in varied environments.

Perfect Fit for Automation: 3875-3820 Bearing
In conveyor systems and packaging machines, 3875-3820 Bearing’s tapered rollers manage both radial and thrust loads smoothly. Its inch measurements align easily with North American machinery standards.

Q&A

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