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

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

The 386-382 is a single-row tapered roller bearing with a 2.184″ bore and 3.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 20500 lbf radially and 3210 lbf thrust, making it versatile for various applications.

Its open design allows for easy 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, offering a reliable replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 1.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 386-382
  • Brand TFL
  • Interchangeable Timken
  • Size 2.184" x 3.875" x 0.8269"
  • Bore Dia 2.184"
  • 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 0.09"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.4"
  • Cone Backface Backing Diameter 2.56"
  • 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 386
  • 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 1.500 lb

Features

Performance Features of 386-382 Bearing

386-382 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,500 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

How Is 386-382 Bearing Engineered for Reliability?

386-382 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent wear resistance, extending its service life.
Its standard radial clearance ensures smooth operation, even under demanding conditions.
The bearing’s ABEC-1 rating guarantees consistent performance for industrial applications.

Built for Durability: 386-382 Bearing

386-382 Bearing’s robust design includes a steel cage that maintains roller alignment under stress.
With a static radial load capacity of 24,100 lbf, it handles heavy loads with ease.
The tapered roller design distributes loads evenly, reducing wear and tear.
Its open construction allows for easy lubrication, ensuring long-term reliability.

Steel vs Ceramic Bearings: Strengths of 386-382 Bearing

386-382 Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
This material choice ensures reliable performance in high-load applications.
The bearing’s tapered roller design offers superior load distribution compared to ball bearings.
With a dynamic thrust rating of 3,210 lbf, it excels in combined load scenarios.

Application

Industrial Uses of 386-382 Bearing
The 386-382 Bearing is widely used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in rugged environments.

In automotive applications, 386-382 Bearing is commonly found in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 386-382 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds stability during continuous operation.

Where Is 386-382 Bearing Used?
You’ll often spot 386-382 Bearing in mining equipment, where its robust design withstands harsh conditions. The tapered rollers distribute loads evenly, reducing wear over time.

In power transmission systems, 386-382 Bearing supports shafts and gears, ensuring smooth rotation under heavy radial and thrust loads. Its standard radial clearance offers flexibility for different setups.

Built for Heavy-Duty Use: 386-382 Bearing
The 386-382 Bearing excels in forestry machinery, handling shock loads and vibrations with ease. Its chrome steel rollers resist deformation under extreme pressure.

For railway applications, 386-382 Bearing provides reliable performance in axle boxes, where consistent load handling is critical. The steel cage maintains roller alignment during long-distance travel.

Automotive vs Aerospace: Applications of 386-382 Bearing
In automotive drivetrains, 386-382 Bearing supports high-torque demands, while its inch sizing fits seamlessly into classic car restorations. The open design simplifies maintenance.

For aerospace ground equipment, 386-382 Bearing handles precise load requirements in landing gear testing rigs. Its temperature range suits both indoor and outdoor use.

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