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TS (Single Row Tapered Roller Bearings) (Imperial) 389A-382A

TS (Single Row Tapered Roller Bearings) (Imperial) 389A-382A

The 389A-382A is a single-row tapered roller bearing with a 2.125″ bore and 3.8125″ outer diameter, crafted from sturdy chrome steel. It handles 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 from -30°C to 110°C, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy machinery or automotive uses where combined loads are common.

Weighing 1.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 389A-382A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.125" x 3.8125" x 0.8268"
  • Bore Dia 2.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.8125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.864"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8268"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.36"
  • Cone Backface Backing Diameter 2.4"
  • Cup Frontface Backing Diameter 3.66"
  • 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 389A
  • Cup Part Number 382A
  • 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 389A-382A Bearing

389A-382A 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.

389A-382A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its tapered roller design ensures smooth handling of both radial and thrust loads.

Application

Industrial Uses of 389A-382A Bearing
389A-382A 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 demanding environments.

Where Is 389A-382A Bearing Used?
You’ll often find 389A-382A Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a go-to choice for American-made vehicles and machinery.

Built for Heavy-Duty Use: 389A-382A Bearing
389A-382A Bearing excels in industrial fans and pumps, 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 389A-382A Bearing
In automotive settings, 389A-382A Bearing supports drivetrain components, while in aerospace, it’s suited for auxiliary systems due to its robust load capacity. The temperature range ensures performance in varied conditions.

Practical Applications of 389A-382A Bearing
389A-382A Bearing is a solid pick for conveyor systems in mining, where its tapered rollers handle heavy loads smoothly. The ABEC-1 rating balances precision and cost-effectiveness for industrial use.

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