TS (Single Row Tapered Roller Bearings) (Imperial) 387-382

The 387-382 is a single-row tapered roller bearing with a 2.25″ bore and 3.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 24200 lbf radially and 3810 lbf thrust, making it versatile for various applications.

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

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 1.400 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Description

Features

Application

Q&A

Product Parameters

Part Number 387-382
Brand TFL
Interchangeable Timken
Size 2.25" x 3.875" x 0.8268"
Bore Dia 2.25"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.875"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.864"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.7018"
Cup Width Tolerance +0.002" to -0.01
Width 0.8268"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.09"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 2.48"
Cone Backface Backing Diameter 2.64"
Cup Frontface Backing Diameter 3.66"
Cup Backface Backing Diameter 3.54"
Cage Cone Frontface Clearance 0.11"
Cage Cone Backface Clearance 0.03"
Effective Center Location -0.12"
System of Measurement Inch
Type Bearing
Cone Part Number 387
Cup Part Number 382
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 385
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 24200 lbf
Static Radial Load 24100 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 6280 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3810 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 1.400 lb

Features

Performance Features of 387-382 Bearing

387-382 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 24,200 lbf, ensuring reliable performance in heavy-duty applications.

The single-row tapered roller design provides stability and reduces friction during operation.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

387-382 Bearing’s steel cage keeps the rollers aligned, enhancing durability and service life.
Its standard radial clearance allows for smooth operation in different industrial settings.

Application

Industrial Uses of 387-382 Bearing
The 387-382 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 387-382 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. The imperial sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 387-382 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds stability during continuous operation.

Where Is 387-382 Bearing Used?
You’ll often find 387-382 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands heavy loads. The tapered rollers ensure smooth rotation even in dusty conditions.

In mining equipment, 387-382 Bearing’s ability to handle combined loads makes it suitable for crushers and screens. Its ABEC-1 rating balances precision and cost-effectiveness for industrial applications.

Built for Heavy-Duty Use: 387-382 Bearing
387-382 Bearing excels in forestry equipment like log splitters, where its tapered rollers manage uneven loads effortlessly. The chrome steel components resist wear in harsh outdoor conditions.

For railway applications, 387-382 Bearing supports axle boxes, ensuring reliable performance under constant vibration. Its standard radial clearance adapts well to varying operational temperatures.

Automotive vs Aerospace: Applications of 387-382 Bearing
In automotive drivetrains, 387-382 Bearing handles high torque loads, making it ideal for trucks and off-road vehicles. The imperial sizing simplifies replacements in older models.

While not typically used in aerospace, 387-382 Bearing finds its place in ground support equipment like tugs and loaders. Its durability and ease of maintenance are key advantages in these roles.