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TS (Single Row Tapered Roller Bearings) (Imperial) 6385-6321

TS (Single Row Tapered Roller Bearings) (Imperial) 6385-6321

The 6385-6321 is a single-row tapered roller bearing with a 2.558″ bore and 5.1875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 72300 lbf radial and 10400 lbf thrust, suitable for demanding applications.

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 environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy machinery or automotive uses where combined loads are common.

Weighing 7.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial applications.

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Product Parameters

  • Part Number 6385-6321
  • Brand TFL
  • Interchangeable Timken
  • Size 2.558" x 5.1875" x 2.125"
  • Bore Dia 2.558"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.67"
  • Cone Backface Backing Diameter 3.31"
  • 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 6385
  • 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 7.400 lb

Features

Performance Features of 6385-6321 Bearing

6385-6321 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 72,300 lbf, ensuring reliable performance in heavy-duty applications.

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

6385-6321 Bearing requires lubrication, which helps maintain smooth operation over time.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of 6385-6321 Bearing
The 6385-6321 Bearing is widely used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 6385-6321 Bearing fits well in wheel hubs and differential systems, providing reliable performance under both radial and thrust loads. The imperial sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 6385-6321 Bearing’s open design allows for easy lubrication, extending its service life in high-load scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 6385-6321 Bearing Used?
You’ll often find 6385-6321 Bearing in agricultural machinery, like tractors and harvesters, where its robust design handles rough conditions. The tapered rollers distribute loads evenly, reducing wear over time.

In power transmission systems, 6385-6321 Bearing supports shafts and gears, ensuring smooth rotation under heavy loads. Its standard radial clearance offers flexibility for various industrial setups.

Built for Heavy-Duty Use: 6385-6321 Bearing
The 6385-6321 Bearing excels in applications like railroad axles, where its combined load capacity and durability are crucial. The chrome steel rollers and rings provide long-lasting performance.

For industrial fans and blowers, 6385-6321 Bearing’s tapered design minimizes friction, improving efficiency. Its temperature range also makes it suitable for both hot and cold environments.

Automotive vs Aerospace: Applications of 6385-6321 Bearing
In automotive systems, 6385-6321 Bearing is commonly used in drivetrains, offering reliable performance under varying loads. Its imperial sizing simplifies replacements in older vehicles.

For aerospace ground equipment, 6385-6321 Bearing handles heavy loads in landing gear testing rigs. The ABEC-1 rating ensures sufficient precision for these demanding tasks.

Q&A

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