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

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

The 386-383 is a single-row tapered roller bearing with a 2.184″ bore and 3.937″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 20500 lbf radially and 3210 lbf thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability. 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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.6 lb, it offers a robust yet manageable solution. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 386-383
  • Brand TFL
  • Interchangeable Timken
  • Size 2.184" x 3.937" x 0.8268"
  • 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 0.8268"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8268"
  • 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 3.70"
  • 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 383
  • 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 1.6 lb

Features

Why Choose 386-383 Bearing for Combined Loads?

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

The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

386-383 Bearing requires lubrication, ensuring smooth operation and extended service life.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of 386-383 Bearing
386-383 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 tough working conditions.

In automotive applications, 386-383 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for older or custom vehicle builds.

For industrial conveyors, 386-383 Bearing’s open design allows for easy lubrication, extending service life in high-use environments. The steel cage adds stability, reducing wear over time.

Where Is 386-383 Bearing Used?
You’ll often find 386-383 Bearing in mining equipment, where its robust design handles heavy radial and thrust loads. The standard radial clearance ensures smooth operation even under stress.

In manufacturing plants, 386-383 Bearing supports machinery like presses and rollers, thanks to its high dynamic load capacity. The ABEC-1 rating balances precision and cost for industrial needs.

Built for Heavy-Duty Use: 386-383 Bearing
386-383 Bearing excels in forestry machinery, where its tapered rollers manage uneven loads and shocks. The chrome steel rollers resist wear, even in dusty or wet conditions.

For railway applications, 386-383 Bearing’s effective center location helps maintain alignment in bogies and axles. Its temperature range suits both cold and moderately hot environments.

Automotive vs Aerospace: Applications of 386-383 Bearing
In automotive systems, 386-383 Bearing handles wheel and drivetrain loads, offering a balance of strength and affordability. The imperial sizing suits classic car restorations.

For aerospace ground equipment, 386-383 Bearing supports loading mechanisms and maintenance tools. Its compliance with RoHS and REACH standards ensures environmental safety.

Q&A

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