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TS (Single Row Tapered Roller Bearings) (Imperial) 3982X-3919RB

TS (Single Row Tapered Roller Bearings) (Imperial) 3982X-3919RB

The 3982X-3919RB is a single-row tapered roller bearing with a 2.5″ bore and 4.4375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 31200 lbf radially and 5570 lbf thrust, making it suitable for heavy-duty applications.

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

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

Weighing 2.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various environments.

The standard radial clearance ensures versatility, with options for C3, C4, or C5 available. Its ABEC-1 rating provides dependable precision for most applications.

The tapered roller design distributes loads evenly, enhancing durability. Perfect for scenarios requiring both radial and thrust load support, such as gearboxes or wheel hubs.

Maintenance is straightforward thanks to its open structure. The chrome steel rollers and rings ensure long service life even under demanding conditions.

With its effective centre location and precise tolerances, it offers stable performance. A reliable choice for engineers and maintenance teams alike.

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Product Parameters

  • Part Number 3982X-3919RB
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5" x 4.4375" x 1.1875"
  • Bore Dia 2.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.4375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.183"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9687"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.280"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.8"
  • Cone Backface Backing Diameter 3.31"
  • Cup Frontface Backing Diameter 4.18"
  • Cup Backface Backing Diameter 3.90"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.18"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3982X
  • Cup Part Number 3919RB
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 31200 lbf
  • Static Radial Load 43000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 8090 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5570 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 2.6 lb

Features

Performance Features of 3982X-3919RB Bearing

3982X-3919RB Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 31,200 lbf, ensuring reliable performance in heavy-duty applications.

The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

3982X-3919RB Bearing’s standard radial clearance allows for smooth operation under different conditions.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

Industrial Uses of 3982X-3919RB Bearing
3982X-3919RB 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.

Where Is 3982X-3919RB Bearing Used?
You’ll often find 3982X-3919RB Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for American-made vehicles and industrial machinery.

Built for Heavy-Duty Use: 3982X-3919RB Bearing
3982X-3919RB Bearing excels in conveyor systems and mining equipment, thanks to its high dynamic radial load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 3982X-3919RB Bearing
In automotive settings, 3982X-3919RB Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary systems. The standard radial clearance offers flexibility for various operational needs.

Perfect Fit for Automation: 3982X-3919RB Bearing
3982X-3919RB Bearing works well in automated production lines, where precision and reliability are key. The steel cage provides stability, ensuring smooth operation even at moderate speeds.

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