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TS (Single Row Tapered Roller Bearings) (Imperial) 386AX-382

TS (Single Row Tapered Roller Bearings) (Imperial) 386AX-382

The 386AX-382 is a single-row tapered roller bearing with a 1.875″ bore and 3.875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 20500 lbf radially and 3210 lbf thrust, making it a versatile choice.

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

This model is interchangeable with Timken bearings, ideal for replacements in heavy-duty applications. Suitable for gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 1.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

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Product Parameters

  • Part Number 386AX-382
  • Brand TFL
  • Interchangeable Timken
  • Size 1.875" x 3.875" x 0.8269"
  • Bore Dia 1.875"
  • 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 0.8269"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.32"
  • Cone Backface Backing Diameter 2.2"
  • 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 386AX
  • 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 20500 lbf
  • Static Radial Load 24100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3210 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

How Is 386AX-382 Bearing Engineered for Reliability?

386AX-382 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity of 20500 lbf makes it suitable for heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

386AX-382 Bearing operates within a temperature range of -30° to 110°C, adapting to different environments.
The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.

Its ABEC-1 rating guarantees consistent precision, making it a dependable choice for industrial use.
The open design simplifies lubrication, helping to maintain optimal performance over time.

Application

Industrial Uses of 386AX-382 Bearing
386AX-382 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 386AX-382 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it a preferred choice for American-made vehicles.

For industrial conveyor systems, 386AX-382 Bearing’s open design allows for easy lubrication, extending service life in high-load environments. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 386AX-382 Bearing Used?
You’ll often find 386AX-382 Bearing in mining equipment, where its robust design withstands heavy loads and harsh conditions. The tapered rollers ensure smooth rotation even under stress.

In power transmission systems, 386AX-382 Bearing supports shafts and gears, offering stability and reducing friction. Its ABEC-1 rating provides a good balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 386AX-382 Bearing
386AX-382 Bearing excels in applications like forklifts and cranes, where its high dynamic load capacity keeps operations running smoothly. The standard radial clearance allows for easy installation and maintenance.

In railway applications, 386AX-382 Bearing handles the demanding loads of freight cars and locomotives. Its temperature range of -30° to 110°C ensures reliability in varying climates.

Automotive vs Aerospace: Applications of 386AX-382 Bearing
In automotive settings, 386AX-382 Bearing is ideal for drivetrain components, offering a balance of strength and precision. Its compatibility with Timken models makes it a versatile choice for repairs.

For aerospace ground equipment, 386AX-382 Bearing provides dependable performance in landing gear systems and hydraulic pumps. The steel cage and chrome steel rollers ensure long-lasting service.

Q&A

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