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387AS Single Cones (Imperial)
387AS Single Cones (Imperial)

387AS Single Cones (Imperial)

The 387AS single cones are tapered roller bearings with a 2.25″ bore, designed for combined loads. Made from durable chrome steel, they handle dynamic radial loads up to 24200 lbf and work in temperatures from -30°C to 110°C.

Their open design allows easy maintenance, while the steel cage ensures reliable performance. The bearings come in standard radial clearance, with options for C3, C4, or C5 available.

These cones are interchangeable with Timken models, making them a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Compliant with RoHS and REACH standards, they offer a balance of strength and longevity. The ABEC-1 rating ensures consistent performance for general industrial use.

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Product Parameters

  • Part Number 387AS
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 387AS-382 , 387AS-382A , 387AS-383 , 387AS-383A , 387AS-383X
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 385
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 0.864"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.2"
  • Cone Frontface Backing Diameter 2.48"
  • Cone Backface Backing Diameter 2.87"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.12"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 42200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3810 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 10900 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of 387AS Bearing

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

The steel cage maintains roller alignment, reducing wear and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

387AS Bearing’s tapered roller design provides efficient load distribution.
Its standard radial clearance options allow for flexibility in different applications.

Application

Industrial Uses of 387AS Bearing
The 387AS Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 387AS Bearing Used?
You’ll often find the 387AS Bearing in automotive applications like truck wheel hubs, where its ability to manage both radial and thrust loads is essential. The inch sizing makes it a good fit for vehicles following imperial measurement standards.

Built for Heavy-Duty Use: 387AS Bearing
The 387AS Bearing excels in industrial gearboxes, providing reliable performance under high stress. Its open design allows for easy lubrication, extending service life in demanding environments.

Automotive vs Industrial: Applications of 387AS Bearing
In automotive settings, the 387AS Bearing supports axle systems, while in industrial settings, it’s ideal for conveyor rollers. Its steel cage and chrome steel rings offer consistent performance across different applications.

Perfect Fit for Automation: 387AS Bearing
The 387AS Bearing works well in automated machinery, such as assembly line systems, where precision and load capacity are key. Its standard radial clearance ensures smooth operation in high-speed scenarios.

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