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TS (Single Row Tapered Roller Bearings) (Imperial) 3958-3920

TS (Single Row Tapered Roller Bearings) (Imperial) 3958-3920

The 3958-3920 is a single-row tapered roller bearing with a 2.25″ bore and 4.4375″ outer diameter, crafted from sturdy 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 easy 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 replacement option. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 3.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various industrial needs.

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Product Parameters

  • Part Number 3958-3920
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.4375" x 1.4376"
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.4375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.433"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.4376"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.6"
  • Cone Backface Backing Diameter 2.83"
  • Cup Frontface Backing Diameter 4.18"
  • Cup Backface Backing Diameter 3.90"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.31"
  • Effective Center Location -0.43"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3958
  • Cup Part Number 3920
  • 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 3.400 lb

Features

Performance Features of 3958-3920 Bearing

3958-3920 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 steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a standard radial clearance, it provides reliable operation in various industrial settings.

3958-3920 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its tapered roller design ensures smooth performance even under high stress conditions.

The open seal type allows for easy lubrication, maintaining optimal performance over time.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Application

Industrial Uses of 3958-3920 Bearing
The 3958-3920 Bearing is a reliable choice for heavy machinery, such as construction equipment and mining rigs, where combined loads are common.
Its tapered roller design ensures smooth operation even under high radial and thrust forces, making it ideal for demanding environments.

Where Is 3958-3920 Bearing Used?
You’ll often find 3958-3920 Bearing in agricultural machinery, like tractors and harvesters, where durability and load capacity are key.
The inch sizing makes it compatible with older equipment, while the chrome steel construction offers long-lasting performance.

Built for Heavy-Duty Use: 3958-3920 Bearing
In automotive applications, 3958-3920 Bearing supports wheel hubs and differential systems, handling both radial and axial loads effortlessly.
The open design allows for easy lubrication, ensuring minimal downtime in high-mileage vehicles.

Automotive vs Aerospace: Applications of 3958-3920 Bearing
While 3958-3920 Bearing excels in truck and trailer axles, its precision also suits aerospace landing gear components.
The ABEC-1 rating ensures consistent performance, whether on the road or in the air.

Key Fields for 3958-3920 Bearing
For industrial fans and pumps, 3958-3920 Bearing provides stable rotation under varying loads.
The steel cage enhances durability, making it a cost-effective solution for continuous operation.

Q&A

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