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

The 385AX-383 is a single-row tapered roller bearing with a 2″ bore and 3.937″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 24200 lbf radially and 3810 lbf in thrust, suitable for demanding applications.

Its open design simplifies 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, making it a practical choice for replacements. Ideal for use in gearboxes, wheel hubs, or industrial machinery where combined loads are common.

Weighing 1.7 lb, it offers a robust yet manageable size. Compliant with RoHS and REACH standards for safe and reliable performance.

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Description

Features

Application

Q&A

Product Parameters

Part Number 385AX-383
Brand TFL
Interchangeable Timken
Size 2" x 3.937" x 0.8268"
Bore Dia 2"
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 0.03"
Cup Backface ToClear Radius 0.08"
Cone Frontface Backing Diameter 2.28"
Cone Backface Backing Diameter 2.28"
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 385AX
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 1.7 lb

Features

Why Choose 385AX-383 Bearing for Precision Tasks?

385AX-383 Bearing features a single-row tapered roller design, ideal for handling combined loads with precision.
Its chrome steel construction ensures durability and reliable performance in various applications.

The bearing’s dynamic radial load capacity of 24,200 lbf makes it suitable for demanding conditions.
With a standard radial clearance, it offers flexibility for different operational requirements.

385AX-383 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

Application

Industrial Uses of 385AX-383 Bearing
385AX-383 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 even in demanding environments.

In automotive applications, 385AX-383 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial gearboxes, 385AX-383 Bearing’s open design allows for easy lubrication, extending service life in high-speed operations. The steel cage adds stability, reducing wear over time.

Where Is 385AX-383 Bearing Used?
You’ll often find 385AX-383 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles rough conditions. The standard radial clearance ensures smooth operation.

In conveyor systems, 385AX-383 Bearing supports heavy loads while maintaining precision. Its ABEC-1 rating balances performance and cost for general industrial use.

Built for Heavy-Duty Use: 385AX-383 Bearing
385AX-383 Bearing excels in mining equipment, where its dynamic load capacity withstands constant stress. The tapered rollers distribute forces evenly, reducing friction.

For forestry machinery, 385AX-383 Bearing’s temperature range (-30° to 110°C) ensures reliability in extreme conditions. The steel cage and chrome steel rollers enhance longevity.

Automotive vs Aerospace: Applications of 385AX-383 Bearing
In automotive systems, 385AX-383 Bearing is ideal for wheel bearings, offering a balance of strength and precision. Its inch measurements suit many classic and modern vehicles.

For aerospace ground equipment, 385AX-383 Bearing provides dependable performance in load-handling devices. The open design simplifies maintenance, crucial for frequent inspections.