TS (Single Row Tapered Roller Bearings) (Imperial) 3984-3925

The 3984-3925 is a single-row tapered roller bearing with a 2.625″ bore and 4.4375″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 31200 lbf radially and 5570 lbf in thrust, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 2.6 lb, it balances strength and manageable size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance (with options for C3/C4/C5) provides flexibility for different setups. Its ABEC-1 rating ensures consistent performance for general industrial needs.

Perfect for applications like axle systems or conveyor belts, where durability and load handling are key. The tapered roller design efficiently distributes stress for longer service life.

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Description

Features

Application

Q&A

Product Parameters

Part Number 3984-3925
Brand TFL
Interchangeable Timken
Size 2.625" x 4.4375" x 1.1875"
Bore Dia 2.625"
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 1.1875"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 3.54"
Cone Backface Backing Diameter 3.15"
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 3984
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 2.6 lb

Features

How Is 3984-3925 Bearing Engineered for Reliability?

3984-3925 Bearing features chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 31,200 lbf, ensuring dependable performance in tough conditions.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

Structural Advantages of 3984-3925 Bearing

3984-3925 Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The precise cone and cup dimensions ensure smooth operation and easy installation.
Its standard radial clearance allows for flexibility in different applications.
The open seal type simplifies maintenance while keeping contaminants out.

Why Choose 3984-3925 Bearing for Precision Tasks?

3984-3925 Bearing’s ABEC-1 rating ensures consistent performance in precision applications.
The chrome steel construction provides durability and resistance to wear over time.
With a static radial load capacity of 43,000 lbf, it supports heavy-duty operations.
Its effective center location enhances stability and reduces vibration during use.

Optimized for Efficiency: 3984-3925 Bearing

3984-3925 Bearing’s single-row construction reduces friction, improving energy efficiency.
The steel cage design ensures smooth roller movement, minimising noise and wear.
Its dynamic thrust rating of 5,570 lbf allows for reliable performance under load.
The standard lubrication requirement ensures long-lasting operation with minimal maintenance.

Application

Industrial Uses of 3984-3925 Bearing
The 3984-3925 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3984-3925 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, 3984-3925 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 3984-3925 Bearing Used?
You’ll often find 3984-3925 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles rough conditions. The standard radial clearance ensures smooth operation even with slight misalignments.

In mining equipment, 3984-3925 Bearing’s high dynamic load capacity makes it ideal for crushers and screens. Its ABEC-1 rating provides a good balance of precision and cost-effectiveness for these applications.

Built for Heavy-Duty Use: 3984-3925 Bearing
The 3984-3925 Bearing excels in forestry machinery, like log splitters, thanks to its ability to withstand heavy combined loads. The tapered rollers distribute stress evenly, reducing wear over time.

For material handling systems, 3984-3925 Bearing’s steel cage and chrome steel rollers offer reliable performance. Its temperature range of -30° to 110°C ensures versatility in various operating conditions.

Automotive vs Aerospace: Applications of 3984-3925 Bearing
In automotive drivetrains, 3984-3925 Bearing provides stable support for axles and transmissions. Its inch measurements align with many standard designs, simplifying replacements.

For industrial pumps, 3984-3925 Bearing’s tapered rollers manage both radial and thrust loads efficiently. The open seal type allows for custom lubrication, adapting to specific operational needs.