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TS (Single Row Tapered Roller Bearings) (Imperial) 6386-6321

TS (Single Row Tapered Roller Bearings) (Imperial) 6386-6321

The 6386-6321 is a single-row tapered roller bearing with a 2.625″ bore and 5.1875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 72300 lbf radially and 10400 lbf thrust, making it versatile 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, suitable for various industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like gearboxes, axles, or machinery where combined loads are common.

Weighing 7.2 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 6386-6321
  • 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 0.170"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.67"
  • Cone Backface Backing Diameter 3.43"
  • 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 6386
  • 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 6386-6321 Bearing

6386-6321 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 72,300 lbf, 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.

How Does 6386-6321 Bearing Reduce Friction?

6386-6321 Bearing features a precision-engineered tapered roller design, minimising friction during operation.
The chrome steel construction ensures smooth rolling action, even under high radial or thrust loads.
Its effective lubrication system helps maintain performance over extended periods.
The standard radial clearance allows for optimal operation in most industrial applications.

Engineered for Precision: 6386-6321 Bearing

6386-6321 Bearing’s single row tapered design provides accurate load distribution and alignment.
With a static radial load capacity of 90,900 lbf, it handles demanding conditions with reliability.
The steel cage maintains roller position, ensuring consistent performance throughout its service life.
Its ABEC-1 rating confirms its precision manufacturing standards.

Steel vs Ceramic Bearings: Strengths of 6386-6321 Bearing

6386-6321 Bearing uses chrome steel for both rings and rollers, offering excellent strength and durability.
This material choice provides better cost-effectiveness compared to ceramic alternatives in many applications.
The bearing maintains its dimensional stability even under heavy combined loads.
Its standard radial clearance makes it versatile for various industrial uses.

Application

Industrial Uses of 6386-6321 Bearing
The 6386-6321 Bearing is commonly used in heavy machinery like 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, 6386-6321 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 6386-6321 Bearing’s open design simplifies maintenance while its high dynamic load capacity keeps operations smooth. The steel cage adds extra strength for long-term use.

Where Is 6386-6321 Bearing Used?
You’ll often find 6386-6321 Bearing in mining equipment, where its ability to handle radial and thrust loads is crucial. The standard radial clearance allows for flexibility in different operating conditions.

In power transmission systems, 6386-6321 Bearing supports shafts and gears, ensuring stable rotation. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 6386-6321 Bearing
The 6386-6321 Bearing excels in applications like forklifts and cranes, where its high static load rating prevents deformation under heavy weights. The tapered rollers distribute stress evenly for longer life.

For railway applications, 6386-6321 Bearing’s temperature tolerance makes it suitable for both hot and cold environments. The steel cage and chrome steel rollers resist wear even with constant vibration.

Automotive vs Aerospace: Applications of 6386-6321 Bearing
In automotive settings, 6386-6321 Bearing is ideal for truck axles, handling rough road conditions with ease. The inch measurements align perfectly with imperial-sized components.

While not typically used in aerospace, 6386-6321 Bearing’s reliability makes it a backup choice for ground support equipment. Its dynamic thrust rating ensures smooth operation in auxiliary systems.

Q&A

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