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TS (Single Row Tapered Roller Bearings) (Imperial) 386-383A

TS (Single Row Tapered Roller Bearings) (Imperial) 386-383A

The 386-383A is a single-row tapered roller bearing with a 2.184″ bore and 3.937″ outer diameter, crafted from robust 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 sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

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Product Parameters

  • Part Number 386-383A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.184" x 3.937" x 0.8269"
  • Bore Dia 2.184"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.937"
  • 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 0.08"
  • Cone Frontface Backing Diameter 2.4"
  • Cone Backface Backing Diameter 2.56"
  • Cup Frontface Backing Diameter 3.68"
  • Cup Backface Backing Diameter 3.50"
  • 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 383A
  • 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 386-383A Bearing

386-383A Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 20,500 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures smooth operation and efficient load distribution.
With a standard radial clearance, it provides reliable performance in various industrial settings.

386-383A Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing wear and extending service life.

Application

Industrial Uses of 386-383A Bearing
The 386-383A Bearing is commonly 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 demanding environments.

Where Is 386-383A Bearing Used?
You’ll often find the 386-383A Bearing in automotive applications like truck wheel hubs, where its high radial load capacity supports smooth operation. The inch sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: 386-383A Bearing
In conveyor systems, the 386-383A Bearing’s open design allows for easy lubrication, extending service life in high-use settings. The steel cage adds extra strength for consistent performance.

Automotive vs Aerospace: Applications of 386-383A Bearing
While the 386-383A Bearing excels in automotive axles, it’s also suitable for aerospace ground support equipment. Its standard radial clearance offers flexibility for various load conditions.

Perfect Fit for Automation: 386-383A Bearing
For robotic arms in manufacturing, the 386-383A Bearing provides reliable rotation under combined loads. The ABEC-1 rating ensures sufficient precision for most industrial automation needs.

Q&A

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