TS (Single Row Tapered Roller Bearings) (Imperial) 3982-3920

The 3982-3920 is a single-row tapered roller bearing with a 2.5″ 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 versatile for various 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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing 2.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 3982-3920
Brand TFL
Interchangeable Timken
Size 2.5" x 4.4375" x 1.1875"
Bore Dia 2.5"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.4375"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.183"
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 0.130"
Cone Frontface Backing Diameter 2.8"
Cone Backface Backing Diameter 3.03"
Cup Frontface Backing Diameter 4.18"
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 3982
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 2.700 lb

Features

How Is 3982-3920 Bearing Engineered for Reliability?

3982-3920 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 31,200 lbf, making it suitable for heavy-duty applications.

The tapered roller design provides effective load distribution, reducing stress on individual components.
With a standard radial clearance, it offers reliable performance in various operating conditions.

3982-3920 Bearing operates within a temperature range of -30° to 110°C, adapting to different environments.
Its steel cage maintains roller alignment, enhancing stability and extending service life.

The open design simplifies lubrication, ensuring smooth operation and minimal maintenance needs.
Compliant with RoHS and REACH standards, it meets stringent environmental and safety requirements.

Application

Industrial Uses of 3982-3920 Bearing
This bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 3982-3920 Bearing Used?
You’ll often find 3982-3920 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for American-made vehicles and industrial gearboxes.

Built for Heavy-Duty Use: 3982-3920 Bearing
In conveyor systems, 3982-3920 Bearing provides reliable performance under continuous loads. The open design allows for easy lubrication, extending its service life in dusty environments.

Automotive vs Aerospace: Applications of 3982-3920 Bearing
While 3982-3920 Bearing is popular in truck axles, it’s also suitable for agricultural machinery where robust performance is needed. The steel cage adds stability during high-load operations.

Perfect Fit for Automation: 3982-3920 Bearing
In automated production lines, 3982-3920 Bearing supports rotating shafts with precision. Its standard radial clearance ensures smooth operation without frequent adjustments.