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6389 Single Cones (Imperial)
6389 Single Cones (Imperial)

6389 Single Cones (Imperial)

The 6389 single cones are tapered roller bearings designed for combined loads, with a 2.625″ bore and made from durable chrome steel. They handle dynamic radial loads up to 72,300 lbf and are built to last in tough conditions.

Their open design allows for easy maintenance, while the steel cage ensures reliable performance. The bearings operate smoothly in temperatures ranging from -30°C to 110°C.

These cones are part of the 6300 series and are interchangeable with Timken models, making them a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or vehicle axles.

Compliant with RoHS and REACH standards, they offer a balance of strength and durability. Available in standard radial clearance, with options for C3, C4, or C5 if needed.

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Product Parameters

  • Part Number 6389
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 6389-6320 , 6389-6320V , 6389-6321
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 6300
  • Bore Dia 2.625"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 2.205"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.25"
  • Cone Frontface Backing Diameter 3.04"
  • Cone Backface Backing Diameter 3.58"
  • Cage Cone Frontface Clearance 0.05"
  • Cage Cone Backface Clearance 0.13"
  • Effective Center Location -0.76"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 126000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10400 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 32600 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of 6389 Bearing

6389 Bearing is designed with chrome steel rings, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 72,300 lbf, ensuring reliable performance in heavy-duty applications.

The tapered roller design of 6389 Bearing minimises friction, enhancing efficiency.
With a temperature range of -30° to 110°C, it performs well in various environments.

6389 Bearing’s steel cage keeps the rollers aligned, reducing wear and extending service life.
Its standard radial clearance allows for smooth operation in diverse conditions.

Application

Industrial Uses of 6389 Single Cones (Imperial)
The 6389 Single Cones are commonly used in heavy machinery, such as construction equipment and mining gear, where combined loads are frequent. Their tapered roller design ensures smooth operation even under demanding conditions.

In automotive applications, 6389 Single Cones (Imperial) are ideal for wheel hubs and differential systems, thanks to their robust chrome steel construction. The inch sizing makes them a perfect fit for vehicles following imperial standards.

For industrial conveyors, 6389 Single Cones (Imperial) provide reliable performance, handling both radial and thrust loads effortlessly. The open seal type allows for easy lubrication, extending bearing life in high-use environments.

Where Is 6389 Single Cones (Imperial) Used?
You’ll often find 6389 Single Cones (Imperial) in agricultural machinery, where their durability withstands rough terrain and heavy loads. The steel cage adds extra strength, making them a dependable choice.

In railway applications, 6389 Single Cones (Imperial) support axle boxes, ensuring smooth and safe train operations. Their ABEC-1 rating guarantees consistent performance under varying speeds and loads.

Built for Heavy-Duty Use: 6389 Single Cones (Imperial)
The 6389 Single Cones (Imperial) excel in forestry equipment, where their ability to handle combined loads is crucial. The standard radial clearance ensures flexibility in different operating conditions.

For marine applications, 6389 Single Cones (Imperial) are trusted for their resistance to harsh environments. The chrome steel rings and steel cage provide long-lasting reliability in saltwater conditions.

Automotive vs Aerospace: Applications of 6389 Single Cones (Imperial)
In automotive systems, 6389 Single Cones (Imperial) are favoured for their load capacity and compatibility with imperial measurements. They’re often used in truck transmissions and drivetrains.

While less common in aerospace, 6389 Single Cones (Imperial) can be found in ground support equipment. Their robust design ensures reliability in auxiliary systems like cargo loaders.

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