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387-S Single Cones (Imperial)

387-S Single Cones (Imperial)

The 387-S is a single-row tapered roller bearing with a 2.25″ bore, made from sturdy chrome steel. It handles combined loads with a dynamic radial capacity of 24200 lbf and works in temperatures from -30°C to 110°C.

Its open design allows easy maintenance, while the steel cage ensures durability. The bearing is interchangeable with Timken models, making it a practical choice for replacements.

With standard radial clearance and ABEC-1 precision, it suits applications like heavy machinery or vehicle axles. Compliant with RoHS and REACH standards, it’s a reliable option for industrial use.

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Product Parameters

  • Part Number 387-S
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 387-S-382 , 387-S-382A
  • 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 0.03"
  • Cone Frontface Backing Diameter 2.48"
  • Cone Backface Backing Diameter 2.52"
  • 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

How Does 387-S Bearing Handle Combined Loads?

387-S Bearing is designed with chrome steel rings, providing strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 24,200 lbf, ensuring reliable performance in demanding applications.
The steel cage keeps the tapered rollers aligned, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

Why Choose 387-S Bearing for Precision Tasks?

387-S Bearing features a single-row tapered roller design, offering precise load distribution.
The chrome steel construction enhances durability, while the steel cage ensures smooth operation.
Its ABEC-1 rating guarantees consistent performance for precision applications.
The standard radial clearance can be adjusted to C3, C4, or C5 for specific needs.

Engineered for Reliability: 387-S Bearing

387-S Bearing’s tapered roller design efficiently handles combined loads with minimal friction.
The chrome steel rings and steel cage provide long-lasting performance in tough conditions.
With a dynamic thrust rating of 3,810 lbf, it excels in high-load scenarios.
Its wide temperature range makes it suitable for diverse industrial environments.

Application

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

Where Is 387-S Bearing Used?
You’ll often find 387-S Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a reliable choice for older or imperial-based systems.

Built for Heavy-Duty Use: 387-S Bearing
387-S Bearing excels in industrial fans and pumps, thanks to its robust steel cage and high dynamic load capacity. The open seal design allows for easy lubrication in high-speed applications.

Automotive vs Aerospace: Applications of 387-S Bearing
In automotive settings, 387-S Bearing is ideal for wheel hubs and transmissions, while its precision suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance across both fields.

Practical Applications of 387-S Bearing
387-S Bearing works well in conveyor systems, where its tapered rollers manage radial and thrust loads smoothly. The standard radial clearance offers flexibility for various operational needs.

Q&A

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