TS (Single Row Tapered Roller Bearings) (Imperial) 385X-383

The 385X-383 is a single-row tapered roller bearing with a 2.1654″ bore and 3.937″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 24200 lbf radially and 3810 lbf in thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. 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 industrial machinery or automotive systems where combined loads are common.

Weighing 1.6 lb, it balances strength and manageability. Compliant with RoHS and REACH standards for safe and sustainable use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 385X-383
Brand TFL
Interchangeable Timken
Size 2.1654" x 3.937" x 0.8268"
Bore Dia 2.1654"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.937"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.864"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.8268"
Cup Width Tolerance +0.002" to -0.01
Width 0.8268"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.08"
Cone Frontface Backing Diameter 2.4"
Cone Backface Backing Diameter 2.64"
Cup Frontface Backing Diameter 3.70"
Cup Backface Backing Diameter 3.50"
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 385X
Cup Part Number 383
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 1.6 lb

Features

Performance Features of 385X-383 Bearing

385X-383 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 demanding conditions.

The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

385X-383 Bearing’s standard radial clearance allows for smooth operation under different load conditions.
Its tapered roller design efficiently handles both radial and thrust loads.

Application

Industrial Uses of 385X-383 Bearing
The 385X-383 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 385X-383 Bearing Used?
You’ll often find the 385X-383 Bearing in automotive applications like wheel hubs and differentials, thanks to its ability to manage both radial and thrust loads. The inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 385X-383 Bearing
This bearing excels in industrial settings like conveyor systems, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it reliable for long-term use.

Automotive vs Aerospace: Applications of 385X-383 Bearing
In automotive systems, the 385X-383 Bearing supports high-load components like axles, while in aerospace, its precision helps with landing gear mechanisms. The ABEC-1 rating ensures consistent performance across different industries.

Perfect Fit for Automation: 385X-383 Bearing
The 385X-383 Bearing works well in automated machinery, such as robotic arms, where its tapered rollers provide smooth motion control. Its standard radial clearance makes it versatile for various automation needs.