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TS (Single Row Tapered Roller Bearings) (Imperial) 6389-6321

TS (Single Row Tapered Roller Bearings) (Imperial) 6389-6321

The 6389-6321 is a single-row tapered roller bearing with a 2.625″ bore and 5.1875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 72300 lbf radially and 10400 lbf thrust, suitable for heavy-duty use.

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 industrial machinery, automotive applications, or any setting requiring robust load handling.

Weighing 7.2 lb, it’s built to last with standard radial clearance options. Compliant with RoHS and REACH standards, it’s a safe and dependable choice.

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Product Parameters

  • Part Number 6389-6321
  • Brand TFL
  • Interchangeable Timken
  • Size 2.625" x 5.1875" x 2.125"
  • Bore Dia 2.625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.1875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2.205"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.125"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.67"
  • Cone Backface Backing Diameter 3.58"
  • Cup Frontface Backing Diameter 4.96"
  • Cup Backface Backing Diameter 4.53"
  • Cage Cone Frontface Clearance 0.05"
  • Cage Cone Backface Clearance 0.13"
  • Effective Center Location -0.76"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 6389
  • Cup Part Number 6321
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 6300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 72300 lbf
  • Static Radial Load 90900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 18700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10400 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 7.2 lb

Features

Performance Features of 6389-6321 Bearing

6389-6321 Bearing is crafted with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 72,300 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

6389-6321 Bearing’s standard radial clearance allows for smooth operation and easy installation.
Its ABEC-1 rating ensures consistent performance for industrial applications.

Application

Industrial Uses of 6389-6321 Bearing
The 6389-6321 Bearing is commonly used in heavy machinery like construction equipment and mining gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in tough working conditions.

Where Is 6389-6321 Bearing Used?
You’ll often find the 6389-6321 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for American-made vehicles and industrial equipment.

Built for Heavy-Duty Use: 6389-6321 Bearing
The 6389-6321 Bearing excels in agricultural machinery, such as tractors and harvesters, thanks to its high static radial load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 6389-6321 Bearing
In automotive settings, the 6389-6321 Bearing supports drivetrain components, while in aerospace, it’s suited for auxiliary systems due to its reliability. The ABEC-1 rating ensures consistent performance across different environments.

Perfect Fit for Automation: 6389-6321 Bearing
The 6389-6321 Bearing works well in automated conveyor systems, where its tapered rollers manage both radial and thrust loads smoothly. Steel cage construction adds stability during high-speed operations.

Q&A

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