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

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

The 3872A-3822RB is a single-row tapered roller bearing with a 1.375″ bore and 3.4688″ 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 allows straightforward 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 alternative for replacements. It’s well-suited for heavy 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, it’s a safe choice for various industrial uses.

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Product Parameters

  • Part Number 3872A-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 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.81"
  • Cone Backface Backing Diameter 1.85"
  • 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 3872A
  • 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 3872A-3822RB Bearing

3872A-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 extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

3872A-3822RB Bearing’s standard radial clearance allows for smooth operation under different conditions.
Its tapered roller design efficiently handles both radial and thrust loads.

Application

Key Fields for 3872A-3822RB Bearing
The 3872A-3822RB Bearing is widely used in heavy machinery, such as construction equipment and agricultural vehicles, where combined radial and thrust loads are common. Its tapered roller design ensures reliable performance under demanding conditions.

In automotive applications, 3872A-3822RB Bearing fits well in wheel hubs and differential systems, providing stability and durability. The inch sizing makes it a convenient choice for American and British vehicle models.

For industrial gearboxes, 3872A-3822RB Bearing’s chrome steel construction offers excellent wear resistance, even in high-speed operations. The open design allows for easy lubrication, extending its service life.

In conveyor systems, 3872A-3822RB Bearing handles heavy loads smoothly, thanks to its robust single-row tapered roller design. The standard radial clearance ensures consistent performance across various operating temperatures.

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