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TS (Single Row Tapered Roller Bearings) (Imperial) 385A-383

TS (Single Row Tapered Roller Bearings) (Imperial) 385A-383

The 385A-383 is a single-row tapered roller bearing with a 2″ bore and 3.937″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 24200 lbf radially and 3810 lbf thrust, making it suitable for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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 use in heavy machinery, gearboxes, or industrial equipment where combined loads are common.

Weighing 1.7 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various industrial environments.

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Product Parameters

  • Part Number 385A-383
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 3.937" x 0.8268"
  • Bore Dia 2"
  • 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 2.36"
  • Cone Backface Backing Diameter 2.4"
  • 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 385A
  • 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 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 1.7 lb

Features

Performance Features of 385A-383 Bearing

385A-383 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 24,200 lbf, ensuring reliable performance in demanding conditions.

The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

385A-383 Bearing’s standard radial clearance allows for smooth operation under different load conditions.
Its tapered roller design efficiently handles both radial and thrust loads.

The open seal type simplifies maintenance while ensuring adequate lubrication.
Weighing just 1.7 lb, it balances durability with manageable size for imperial system applications.

Application

Industrial Uses of 385A-383 Bearing
The 385A-383 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 385A-383 Bearing Used?
You’ll often find the 385A-383 Bearing in automotive applications like truck wheel hubs, where its robust design supports high loads and long service life. The inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 385A-383 Bearing
This bearing excels in industrial settings like conveyor systems, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 385A-383 Bearing
In automotive systems, the 385A-383 Bearing is ideal for gearboxes and differentials, while its precision also suits aerospace components requiring consistent performance. The ABEC-1 rating ensures dependable operation in both fields.

Perfect Fit for Automation: 385A-383 Bearing
The 385A-383 Bearing works well in automated machinery, such as robotic arms, where smooth rotation and load handling are crucial. Its standard radial clearance offers flexibility for various operational needs.

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