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TS (Single Row Tapered Roller Bearings) (Imperial) 6381-6320

TS (Single Row Tapered Roller Bearings) (Imperial) 6381-6320

The 6381-6320 is a single-row tapered roller bearing with a 2.1649″ bore and 5.3447″ 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 simplifies lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for varied environments.

Interchangeable with Timken bearings, it’s a practical choice for replacements or upgrades. Ideal for industrial machinery, automotive applications, or equipment requiring reliable load support.

Weighing 8.9 lb, it balances strength with manageable size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 6381-6320
  • Brand TFL
  • Interchangeable Timken
  • Size 2.1649" x 5.3447" x 2.125"
  • Bore Dia 2.1649"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.3447"
  • 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 2.76"
  • Cone Backface Backing Diameter 2.99"
  • Cup Frontface Backing Diameter 5.00"
  • Cup Backface Backing Diameter 4.61"
  • 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 6381
  • Cup Part Number 6320
  • 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 8.9 lb

Features

Performance Features of 6381-6320 Bearing

6381-6320 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 extending operational life.
With a standard radial clearance, it provides reliable performance in various conditions.

How Is 6381-6320 Bearing Engineered for Reliability?

6381-6320 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, even in demanding environments.
Its dynamic thrust rating of 10,400 lbf ensures consistent performance under stress.
The open seal type allows for easy lubrication, maintaining smooth operation over time.

Built for Durability: 6381-6320 Bearing

6381-6320 Bearing’s tapered roller design distributes loads evenly, reducing wear on components.
The steel cage maintains roller positioning, ensuring stable performance under heavy radial loads.
With a temperature range of -30° to 110°C, it operates reliably in varied conditions.
Its ABEC-1 rating confirms precision manufacturing for consistent quality.

Steel vs Ceramic Bearings: Strengths of 6381-6320 Bearing

6381-6320 Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
This material choice ensures high resistance to wear, even under substantial combined loads.
The bearing’s standard radial clearance allows for smooth operation in most applications.
Weighing 8.9 lb, it balances robustness with practical handling for industrial use.

Application

Industrial Uses of 6381-6320 Bearing
The 6381-6320 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, making it a reliable choice for long-term use.

Where Is 6381-6320 Bearing Used?
You’ll often find the 6381-6320 Bearing in automotive applications, particularly in wheel hubs and differential systems.
Its imperial sizing makes it a perfect fit for North American vehicle models, offering smooth performance under heavy loads.

Built for Heavy-Duty Use: 6381-6320 Bearing
The 6381-6320 Bearing excels in industrial settings like conveyor systems and mining equipment, where its high dynamic load capacity is essential.
The open design allows for easy lubrication, ensuring consistent performance over time.

Automotive vs Aerospace: Applications of 6381-6320 Bearing
In automotive systems, the 6381-6320 Bearing supports wheel assemblies and transmissions, thanks to its robust construction.
While not typically used in aerospace, its precision and reliability make it suitable for heavy-duty industrial applications.

Essential Roles of 6381-6320 Bearing
The 6381-6320 Bearing is a go-to choice for machinery requiring combined load handling, such as gearboxes and pumps.
Its standard radial clearance and ABEC-1 rating provide a balance of performance and affordability for general industrial use.

Q&A

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