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

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

The 385A-383A is a single-row tapered roller bearing with a 2″ 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 for easy lubrication, while the steel cage ensures durability under heavy use. 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 industrial 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, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 385A-383A
  • 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 0.7018"
  • 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 3.68"
  • 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 385A
  • Cup Part Number 383A
  • 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-383A Bearing

385A-383A Bearing is constructed 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 various applications.

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

385A-383A Bearing requires lubrication, ensuring smooth operation and reduced wear over time.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of 385A-383A Bearing
The 385A-383A Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in rugged environments.

Where Is 385A-383A Bearing Used?
You’ll often find 385A-383A Bearing in agricultural machinery, such as tractors and harvesters, thanks to its ability to manage radial and thrust loads. The open design simplifies lubrication, keeping maintenance straightforward.

Built for Heavy-Duty Use: 385A-383A Bearing
In mining applications, 385A-383A Bearing excels under extreme conditions, with its steel cage providing extra strength. The inch sizing makes it a reliable choice for North American equipment.

Automotive vs Aerospace: Applications of 385A-383A Bearing
For automotive drivetrains, 385A-383A Bearing supports axles and differentials, ensuring smooth power transmission. In aerospace, its precision fits landing gear systems where reliability is key.

Essential Roles of 385A-383A Bearing
Railway systems benefit from 385A-383A Bearing’s robust design, particularly in wheel assemblies. The standard radial clearance allows for consistent performance across temperature variations.

Q&A

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