+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 387A-383A

TS (Single Row Tapered Roller Bearings) (Imperial) 387A-383A

The 387A-383A is a single-row tapered roller bearing with a 2.25″ 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 1.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

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

Product Parameters

  • Part Number 387A-383A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 3.937" x 0.8268"
  • Bore Dia 2.25"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 2.48"
  • Cone Backface Backing Diameter 2.76"
  • 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 387A
  • 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 1.500 lb

Features

Performance Features of 387A-383A Bearing

387A-383A 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, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 387A-383A Bearing Engineered for Reliability?

387A-383A Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides excellent strength and resistance to wear.
Its standard radial clearance ensures smooth operation, while the steel cage maintains roller alignment.
This design makes it a dependable choice for industrial applications.

Built for Durability: 387A-383A Bearing

387A-383A Bearing is designed to withstand heavy loads with its robust chrome steel components.
The tapered roller configuration efficiently manages combined loads, ensuring long service life.
Its open seal type allows for easy lubrication, maintaining performance over time.
With an ABEC-1 rating, it balances precision and durability for various uses.

Application

Industrial Uses of 387A-383A Bearing
The 387A-383A Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 387A-383A Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 387A-383A Bearing’s open design allows for easy lubrication, extending its service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 387A-383A Bearing Used?
You’ll often find 387A-383A Bearing in mining equipment, where its robust design handles heavy loads and harsh conditions. The tapered rollers distribute stress evenly, reducing wear over time.

In manufacturing plants, 387A-383A Bearing supports machinery like presses and gearboxes, ensuring smooth operation. Its standard radial clearance makes it versatile for various industrial settings.

Built for Heavy-Duty Use: 387A-383A Bearing
The 387A-383A Bearing excels in applications like forestry machinery, where its combined load capacity is essential. The chrome steel rollers and rings provide long-lasting performance.

For railway applications, 387A-383A Bearing’s durability and temperature tolerance make it a reliable choice. Its inch measurements align with many imperial system requirements.

Automotive vs Aerospace: Applications of 387A-383A Bearing
In automotive systems, 387A-383A Bearing is ideal for drivetrain components, offering stability under varying loads. Its ABEC-1 rating ensures consistent performance.

For aerospace ground equipment, 387A-383A Bearing’s reliability and ease of maintenance are key advantages. The open design simplifies inspections and lubrication.

Q&A

SEND INQUIRY