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

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

The 387W-382 is a single-row tapered roller bearing with a 2.25″ bore and 3.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 24200 lbf radial and 3810 lbf thrust, making it versatile for various applications.

Its open design allows 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 1.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 387W-382
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 3.875" x 0.8269"
  • Bore Dia 2.25"
  • 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 2.44"
  • Cone Backface Backing Diameter 2.6"
  • 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 387W
  • 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 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

Performance Features of 387W-382 Bearing

387W-382 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 24,200 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a standard radial clearance, it provides reliable performance in various conditions.

387W-382 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its single-row tapered roller design balances durability and precision for industrial use.

The bearing requires lubrication to maintain smooth operation and reduce wear.
Its ABEC-1 rating ensures consistent performance in standard precision applications.

Application

Industrial Uses of 387W-382 Bearing
387W-382 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is 387W-382 Bearing Used?
You’ll often find 387W-382 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for older or custom-built vehicles.

Built for Heavy-Duty Use: 387W-382 Bearing
387W-382 Bearing excels in industrial fans and pumps, thanks to its ability to manage both radial and thrust loads. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 387W-382 Bearing
In automotive settings, 387W-382 Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems where precision and reliability are key. The steel cage adds extra strength.

Perfect Fit for Automation: 387W-382 Bearing
387W-382 Bearing works well in automated conveyor systems, providing smooth operation under varying loads. Its standard radial clearance ensures consistent performance in repetitive tasks.

Q&A

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