+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 3979-3925

TS (Single Row Tapered Roller Bearings) (Imperial) 3979-3925

The 3979-3925 is a single-row tapered roller bearing with a 2.25″ bore and 4.4375″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 31200 lbf radially and 5570 lbf thrust, suitable for demanding applications.

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

Interchangeable with Timken models, it’s a practical choice for replacements. Ideal for heavy machinery or automotive systems where combined loads are common.

Weighing 3 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 3979-3925
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.4375" x 1.1876"
  • Bore Dia 2.25"
  • 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 0.9375"
  • 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 0.03"
  • Cone Frontface Backing Diameter 2.6"
  • Cone Backface Backing Diameter 2.83"
  • Cup Frontface Backing Diameter 4.18"
  • Cup Backface Backing Diameter 3.98"
  • 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 3979
  • Cup Part Number 3925
  • 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 3 lb

Features

Performance Features of 3979-3925 Bearing

3979-3925 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 31,200 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 conditions.

3979-3925 Bearing’s standard radial clearance allows for flexibility in different applications.
Its ABEC-1 rating ensures consistent performance for general industrial use.

Application

Industrial Uses of 3979-3925 Bearing
The 3979-3925 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively.
Its chrome steel construction ensures durability in demanding environments, making it a reliable choice for long-term use.

Where Is 3979-3925 Bearing Used?
You’ll often find the 3979-3925 Bearing in automotive applications like truck wheel hubs, where its robust design supports heavy radial and thrust loads.
The imperial sizing makes it a perfect fit for North American vehicles, ensuring easy integration.

Built for Heavy-Duty Use: 3979-3925 Bearing
This bearing excels in industrial gearboxes, providing smooth operation under high stress thanks to its tapered roller design.
The steel cage adds extra strength, making it suitable for applications with frequent load changes.

Automotive vs Aerospace: Applications of 3979-3925 Bearing
In automotive systems, the 3979-3925 Bearing is ideal for axles and transmissions, offering reliable performance under varied loads.
While less common in aerospace, its precision still makes it useful in ground support equipment.

Key Fields for 3979-3925 Bearing
The 3979-3925 Bearing is a go-to for mining equipment, where its ability to handle heavy loads and harsh conditions is invaluable.
Its standard radial clearance also allows for flexibility in different operational setups.

Q&A

SEND INQUIRY