TS (Single Row Tapered Roller Bearings) (Imperial) 3955-3925

The 3955-3925 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 a sturdy choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance. 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 3.1 lb, it’s built to last and complies with RoHS and REACH standards for safe usage. The standard radial clearance ensures easy installation and maintenance.

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Description

Features

Application

Q&A

Product Parameters

Part Number 3955-3925
Brand TFL
Interchangeable Timken
Size 2.5" x 4.4375" x 1.4376"
Bore Dia 2.5"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.4375"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.433"
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 0.03"
Cone Frontface Backing Diameter 2.8"
Cone Backface Backing Diameter 3.03"
Cup Frontface Backing Diameter 4.18"
Cup Backface Backing Diameter 3.98"
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 3955
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 3.1 lb

Features

How Is 3955-3925 Bearing Engineered for Reliability?

3955-3925 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity of 31,200 lbf makes it suitable for heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

3955-3925 Bearing operates within a temperature range of -30° to 110°C, maintaining stability.
Its steel cage keeps rollers aligned, ensuring smooth operation even at high speeds.

The open design simplifies lubrication, helping to maintain optimal performance over time.
This bearing is interchangeable with Timken models, providing flexibility for replacements.

Application

Common Applications of 3955-3925 Bearing
In industrial settings, 3955-3925 Bearing is a reliable choice for heavy machinery like conveyor systems and gearboxes, thanks to its robust tapered roller design. The chrome steel construction ensures it handles combined loads with ease.

Where Is 3955-3925 Bearing Used?
You’ll often find 3955-3925 Bearing in automotive applications, particularly in wheel hubs and drivetrains, where its durability and precision are key. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 3955-3925 Bearing
This bearing excels in construction equipment, such as excavators and cranes, where its high dynamic radial load capacity is essential. The open design allows for straightforward lubrication and maintenance.

Automotive vs Aerospace: Applications of 3955-3925 Bearing
While 3955-3925 Bearing is common in automotive systems like differentials, it’s also suited for aerospace ground support equipment. Its temperature range and load handling make it versatile across industries.

Perfect Fit for Automation: 3955-3925 Bearing
In automated production lines, 3955-3925 Bearing supports robotic arms and assembly systems, ensuring smooth motion under heavy loads. The steel cage adds durability for continuous operation.