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

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

The 385-383X is a single-row tapered roller bearing with a 2.1654″ bore and 3.937″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 24200 lbf radially and 3810 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.

Interchangeable with Timken models, it’s a practical choice for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and reliable use.

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Product Parameters

  • Part Number 385-383X
  • Brand TFL
  • Interchangeable Timken
  • Size 2.1654" x 3.937" x 1.0001"
  • Bore Dia 2.1654"
  • 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 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0001"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.050"
  • 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 385
  • Cup Part Number 383X
  • 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

How Is 385-383X Bearing Engineered for Reliability?

385-383X Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 24,200 lbf, ensuring dependable performance in tough conditions.

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

385-383X Bearing’s standard radial clearance offers flexibility for different applications.
Its ABEC-1 rating ensures consistent precision and smooth operation.

Application

Key Fields for 385-383X Bearing
In industrial settings, 385-383X Bearing is commonly used in heavy machinery like conveyor systems and gearboxes, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 385-383X Bearing Used?
You’ll often find 385-383X Bearing in automotive applications, particularly in wheel hubs and differentials, where its robust design supports both radial and thrust loads. Its inch sizing makes it a fit for many American-made vehicles.

Built for Heavy-Duty Use: 385-383X Bearing
For construction equipment like excavators, 385-383X Bearing offers reliable performance under high stress. The steel cage and chrome steel rollers provide long-lasting wear resistance.

Automotive vs Aerospace: Applications of 385-383X Bearing
In automotive systems, 385-383X Bearing excels in transmissions and axles, while in aerospace, it’s suited for auxiliary gearboxes. Its ABEC-1 rating ensures consistent precision for both fields.

Practical Applications of 385-383X Bearing
In agricultural machinery, 385-383X Bearing supports components like PTO shafts, where its standard radial clearance accommodates varying loads. The open design simplifies lubrication and maintenance.

Q&A

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