TS (Single Row Tapered Roller Bearings) (Imperial) 3872-3822RB

The 3872-3822RB is a single-row tapered roller bearing with a 1.375″ bore and 3.4688″ outer diameter, crafted from sturdy 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 for easy lubrication, while the steel cage ensures durability under heavy use. 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. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 2.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance and ABEC-1 rating provide dependable performance. Suitable for environments requiring consistent load handling and easy maintenance.

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Description

Features

Application

Q&A

Product Parameters

Part Number 3872-3822RB
Brand TFL
Interchangeable Timken
Size 1.375" x 3.4688" x 1.1876"
Bore Dia 1.375"
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 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 1.81"
Cone Backface Backing Diameter 2.09"
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 3872
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 2.1 lb

Features

Performance Features of 3872-3822RB Bearing

3872-3822RB Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,900 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 3872-3822RB Bearing Engineered for Reliability?

3872-3822RB Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent wear resistance, extending its service life.
Its dynamic thrust rating of 4,980 lbf ensures consistent performance under pressure.
The standard radial clearance allows for smooth operation in diverse applications.

Built for Durability: 3872-3822RB Bearing

3872-3822RB Bearing’s chrome steel components resist wear, even in demanding environments.
The tapered roller design efficiently distributes loads, reducing stress on individual components.
With a static radial load capacity of 33,200 lbf, it handles heavy loads with ease.
Its ABEC-1 rating ensures reliable precision for various industrial uses.

Application

Industrial Uses of 3872-3822RB Bearing
3872-3822RB Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently.
The chrome steel construction ensures durability even in demanding environments, making it a reliable choice for long-term use.

Where Is 3872-3822RB Bearing Used?
In automotive applications, 3872-3822RB Bearing fits well in wheel hubs and differential systems, providing smooth performance under radial and thrust loads.
Its imperial sizing makes it compatible with many North American vehicle models, simplifying replacements and upgrades.

Built for Heavy-Duty Use: 3872-3822RB Bearing
3872-3822RB Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance.
The steel cage adds strength, ensuring consistent operation even at high speeds or under heavy loads.

Automotive vs Aerospace: Applications of 3872-3822RB Bearing
In automotive settings, 3872-3822RB Bearing supports drivetrain components, offering reliable performance under varying loads.
While not typically used in aerospace, its robust design makes it suitable for ground support equipment and other heavy-duty applications.

Perfect Fit for Automation: 3872-3822RB Bearing
3872-3822RB Bearing works well in automated conveyor systems, where its tapered rollers manage both radial and axial forces smoothly.
The standard radial clearance options provide flexibility for different operational needs.