TS (Single Row Tapered Roller Bearings) (Imperial) 3980-3927X

TS (Single Row Tapered Roller Bearings) (Imperial) 3980-3927X

The 3980-3927X is a single-row tapered roller bearing with a 2.375″ bore and 4.3307″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 31200 lbf radially and 5570 lbf thrust, making it versatile for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for various industrial conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like axles or gearboxes where combined loads are common.

Weighing 2.700 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 3980-3927X
  • Brand TFL
  • Interchangeable Timken
  • Size 2.375" x 4.3307" x 1.1876"
  • Bore Dia 2.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.3307"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.183"
  • 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 2.68"
  • Cone Backface Backing Diameter 2.95"
  • Cup Frontface Backing Diameter 4.15"
  • 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 3980
  • Cup Part Number 3927X
  • 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 2.700 lb

Features

Performance Features of 3980-3927X Bearing

3980-3927X Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 31,200 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures efficient load distribution, reducing stress on individual components.
With a standard radial clearance, it provides reliable operation in various industrial settings.

3980-3927X Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, enhancing durability and reducing maintenance needs.

Application

Industrial Uses of 3980-3927X Bearing
The 3980-3927X Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3980-3927X Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyors, 3980-3927X Bearing’s open design allows for easy lubrication, extending service life in high-use settings. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 3980-3927X Bearing Used?
You’ll often find 3980-3927X Bearing in agricultural machinery, like tractors and harvesters, where its robust design handles rough conditions. The tapered rollers manage both radial and thrust loads smoothly.

In manufacturing plants, 3980-3927X Bearing supports gearboxes and pulley systems, ensuring efficient power transmission. Its standard radial clearance offers flexibility for various operational needs.

Built for Heavy-Duty Use: 3980-3927X Bearing
The 3980-3927X Bearing excels in forestry equipment, such as log splitters and sawmills, thanks to its high load capacity. The chrome steel rollers resist wear, even under constant stress.

For railway applications, 3980-3927X Bearing provides stability in axle boxes, where precision and reliability are critical. Its ABEC-1 rating ensures consistent performance over long distances.

Automotive vs Aerospace: Applications of 3980-3927X Bearing
In automotive systems, 3980-3927X Bearing is ideal for drivetrains, offering smooth operation under heavy loads. Its inch measurements align with many standard vehicle designs.

For aerospace ground equipment, 3980-3927X Bearing supports maintenance tools and loading systems, where durability and precision are key. The open seal design simplifies maintenance routines.

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