+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 389AS-383

TS (Single Row Tapered Roller Bearings) (Imperial) 389AS-383

The 389AS-383 is a single-row tapered roller bearing with a 2.125″ bore and 3.937″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 24200 lbf radially and 3810 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures 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 1.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 389AS-383
  • Brand TFL
  • Interchangeable Timken
  • Size 2.125" x 3.937" x 0.8268"
  • Bore Dia 2.125"
  • 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 0.06"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 2.36"
  • Cone Backface Backing Diameter 2.44"
  • 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 389AS
  • 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 1.6 lb

Features

Performance Features of 389AS-383 Bearing

389AS-383 Bearing is crafted with chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 24,200 lbf, making it suitable for demanding industrial applications.

The tapered roller design of 389AS-383 Bearing provides effective load distribution, reducing stress on components.
With a standard radial clearance, it offers reliable performance across various operating conditions.

389AS-383 Bearing operates efficiently within a temperature range of -30° to 110°C, adapting to diverse environments.
The steel cage maintains roller alignment, enhancing stability and extending service life.

Designed for easy lubrication, 389AS-383 Bearing simplifies maintenance while ensuring smooth operation.
Its ABEC-1 rating confirms consistent precision for general industrial use.

Application

Industrial Uses of 389AS-383 Bearing
389AS-383 Bearing is commonly used in heavy machinery, such as 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 389AS-383 Bearing Used?
You’ll often find 389AS-383 Bearing in automotive applications like truck wheel hubs, where its ability to manage radial and thrust loads keeps things running smoothly. The inch sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: 389AS-383 Bearing
389AS-383 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 long-term use.

Automotive vs Aerospace: Applications of 389AS-383 Bearing
In automotive systems, 389AS-383 Bearing supports heavy loads in axles and transmissions, while in aerospace, its precision helps with landing gear mechanisms. The temperature range ensures performance in varied conditions.

Key Fields for 389AS-383 Bearing
389AS-383 Bearing is a go-to choice for mining equipment, where its robust design handles harsh conditions. The standard radial clearance offers flexibility for different operational needs.

Q&A

SEND INQUIRY