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TS (Single Row Tapered Roller Bearings) (Imperial) 387A-382-S

TS (Single Row Tapered Roller Bearings) (Imperial) 387A-382-S

The 387A-382-S is a single-row tapered roller bearing with a 2.25″ bore and 3.8125″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 24200 lbf radially and 3810 lbf thrust, suitable for moderate-speed applications.

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

Weighing 1.4 lb, it offers a sturdy build with standard radial clearance options. Compliant with RoHS and REACH standards for safe and versatile use.

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Product Parameters

  • Part Number 387A-382-S
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 3.8125" x 1"
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.8125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.864"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.7982"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 2.48"
  • Cone Backface Backing Diameter 2.76"
  • Cup Frontface Backing Diameter 3.62"
  • Cup Backface Backing Diameter 3.43"
  • 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 387A
  • Cup Part Number 382-S
  • 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 1.400 lb

Features

How Is 387A-382-S Bearing Engineered for Reliability?

387A-382-S Bearing features chrome steel rings and rollers, providing robust performance under combined loads.
Its dynamic radial load capacity reaches 24,200 lbf, ensuring durability in demanding applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes 387A-382-S Bearing Suitable for High-Temperature Applications?

387A-382-S Bearing is constructed from chrome steel, which withstands temperatures up to 110°C.
Its open design allows for effective lubrication, ensuring smooth operation even in high-heat conditions.
The tapered roller design distributes loads evenly, enhancing stability and performance.
This makes it ideal for applications where temperature fluctuations are common.

Designed for Durability: 387A-382-S Bearing

387A-382-S Bearing’s single-row tapered roller design offers excellent load distribution and resistance to wear.
The chrome steel construction ensures long-lasting performance under both radial and thrust loads.
Its standard radial clearance options provide flexibility for different operational needs.
With a weight of 1.400 lb, it balances strength and ease of handling.

Steel vs Ceramic Bearings: Strengths of 387A-382-S Bearing

387A-382-S Bearing uses chrome steel for both rings and rollers, offering superior strength and durability.
This material choice ensures reliable performance under heavy combined loads and high temperatures.
The steel cage further enhances stability and reduces maintenance requirements.
Its compatibility with standard lubrication methods makes it a practical choice for various applications.

Application

Industrial Uses of 387A-382-S Bearing
387A-382-S 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 demanding environments.

In automotive applications, 387A-382-S Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a preferred choice for American and British vehicle models.

For industrial conveyor systems, 387A-382-S Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 387A-382-S Bearing Used?
387A-382-S Bearing finds its place in mining equipment, where its robust design withstands harsh conditions. The tapered rollers distribute loads evenly, reducing wear over time.

In manufacturing lines, 387A-382-S Bearing supports rotating shafts, ensuring smooth operation. Its standard radial clearance makes it versatile for various industrial settings.

Built for Heavy-Duty Use: 387A-382-S Bearing
387A-382-S Bearing excels in applications like gearboxes and drivetrains, where combined loads are common. The chrome steel rollers and rings offer long-lasting performance.

For power transmission systems, 387A-382-S Bearing’s ABEC-1 rating ensures consistent operation. Its temperature range of -30° to 110°C makes it suitable for diverse climates.

Automotive vs Aerospace: Applications of 387A-382-S Bearing
In automotive systems, 387A-382-S Bearing is ideal for wheel assemblies, handling both radial and thrust loads. The inch measurements ensure compatibility with many vehicle designs.

For aerospace ground equipment, 387A-382-S Bearing provides reliable support in landing gear mechanisms. Its steel cage and chrome steel components resist wear in high-stress conditions.

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