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TS (Single Row Tapered Roller Bearings) (Imperial) 388A-382A

TS (Single Row Tapered Roller Bearings) (Imperial) 388A-382A

The 388A-382A is a single-row tapered roller bearing with a 2.265″ bore and 3.8125″ outer diameter, made 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 1.3 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 388A-382A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.265" x 3.8125" x 0.8268"
  • Bore Dia 2.265"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.48"
  • Cone Backface Backing Diameter 2.76"
  • 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 388A
  • 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 1.3 lb

Features

Performance Features of 388A-382A Bearing

388A-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, ensuring reliable performance in demanding conditions.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 388A-382A Bearing Engineered for Reliability?

388A-382A Bearing features a tapered roller design, providing efficient load distribution and reduced wear.
The chrome steel construction enhances durability, even under heavy radial and thrust loads.
Its standard radial clearance allows for smooth operation in diverse applications.
The open design simplifies lubrication, ensuring consistent performance over time.

Built for Durability: 388A-382A Bearing

388A-382A Bearing’s single-row construction ensures compactness and ease of installation.
The chrome steel rollers and rings provide excellent resistance to wear and fatigue.
With a static radial load capacity of 24,100 lbf, it handles demanding industrial tasks.
Its ABEC-1 rating guarantees consistent precision in various applications.

Steel vs Ceramic Bearings: Strengths of 388A-382A Bearing

388A-382A Bearing uses chrome steel for both rollers and rings, offering a balance of strength and cost-effectiveness.
The steel cage design ensures reliable roller guidance, reducing operational noise.
With a dynamic thrust rating of 3,810 lbf, it performs well in combined load scenarios.
The standard radial clearance makes it versatile for different industrial uses.

Application

Industrial Uses of 388A-382A Bearing
388A-382A Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

What Makes 388A-382A Bearing a Preferred Choice?
In automotive applications, 388A-382A Bearing supports wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it a good fit for North American vehicle models.

Built for Heavy-Duty Use: 388A-382A Bearing
For industrial conveyor systems, 388A-382A Bearing’s open design allows for easy lubrication, extending its service life in high-load scenarios. The steel cage adds extra strength to withstand continuous operation.

Automotive vs Aerospace: Applications of 388A-382A Bearing
While 388A-382A Bearing is popular in truck axles and heavy vehicles, it also finds use in aerospace landing gear components. Its ABEC-1 rating ensures consistent precision in both sectors.

Perfect Fit for Automation: 388A-382A Bearing
In automated production lines, 388A-382A Bearing’s tapered rollers provide smooth motion control for robotic arms. The standard radial clearance option makes it versatile for various speed requirements.

Q&A

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