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TS (Single Row Tapered Roller Bearings) (Imperial) 6379-6321

TS (Single Row Tapered Roller Bearings) (Imperial) 6379-6321

The 6379-6321 is a single-row tapered roller bearing with a 2.5625″ bore and 5.1875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 85600 lbf radially and 12300 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in industrial machinery, gearboxes, or automotive systems where robust performance is needed.

Weighing 7.4 lb, it’s built to last while meeting RoHS and REACH standards for safe use. Its standard radial clearance and ABEC-1 rating ensure consistent performance.

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Product Parameters

  • Part Number 6379-6321
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5625" x 5.1875" x 2.125"
  • Bore Dia 2.5625"
  • 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 6379
  • 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 85600 lbf
  • Static Radial Load 90900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 22200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12300 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 6379-6321 Bearing

6379-6321 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 85,600 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

How Does 6379-6321 Bearing Reduce Friction?

6379-6321 Bearing’s tapered roller design ensures smooth operation by evenly distributing loads.
The precision-engineered steel cage minimises contact between rollers, lowering friction.
Its chrome steel construction provides durability while maintaining efficient performance.
This design also helps reduce heat generation during high-speed operations.

Engineered for Precision: 6379-6321 Bearing

6379-6321 Bearing features precise dimensions with tight tolerances for accurate performance.
The standard radial clearance option ensures proper fit and function in most applications.
Its ABEC-1 rating confirms consistent quality for reliable operation.
The bearing’s effective center location is carefully calculated for optimal load distribution.

Steel vs Ceramic Bearings: Strengths of 6379-6321 Bearing

6379-6321 Bearing uses chrome steel for both rings and rollers, providing excellent strength.
This material choice offers good wear resistance while remaining cost-effective.
The steel construction handles high static radial loads up to 90,900 lbf.
It maintains performance across a wide temperature range without special treatments.

Application

Industrial Uses of 6379-6321 Bearing
The 6379-6321 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, 6379-6321 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 6379-6321 Bearing’s open design simplifies lubrication and maintenance, reducing downtime. Its standard radial clearance offers flexibility for different operational needs.

What Makes 6379-6321 Bearing a Preferred Choice?
The 6379-6321 Bearing stands out in applications like mining equipment, where its high dynamic radial load capacity ensures long service life. Its steel cage adds robustness against heavy impacts.

In power transmission systems, 6379-6321 Bearing’s tapered rollers manage both radial and thrust loads smoothly. The ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 6379-6321 Bearing
The 6379-6321 Bearing excels in forestry machinery, where its resistance to shock loads keeps operations running smoothly. Its wide temperature range suits both hot and cold working conditions.

For railway applications, 6379-6321 Bearing’s reliable performance under constant vibration makes it a trusted component. The interchangeable design with Timken bearings adds convenience for replacements.

Automotive vs Aerospace: Applications of 6379-6321 Bearing
In automotive settings, 6379-6321 Bearing is ideal for truck axles, handling heavy loads with ease. Its static radial load capacity ensures stability during prolonged use.

For aerospace ground support equipment, 6379-6321 Bearing’s precision and durability meet rigorous standards. The chrome steel rollers provide consistent performance under high stress.

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