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TS (Single Row Tapered Roller Bearings) (Imperial) 6375-6321

TS (Single Row Tapered Roller Bearings) (Imperial) 6375-6321

The 6375-6321 is a single-row tapered roller bearing with a 2.25″ bore and 5.1875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 72300 lbf radially and 10400 lbf in thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging 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 8.1 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 6375-6321
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 5.1875" x 2.125"
  • Bore Dia 2.25"
  • 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 2.83"
  • Cone Backface Backing Diameter 3.15"
  • 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 6375
  • 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 8.1 lb

Features

Performance Features of 6375-6321 Bearing

6375-6321 Bearing is crafted with chrome steel rings and rollers, offering robust 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, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 6375-6321 Bearing Resist Wear?

6375-6321 Bearing’s chrome steel construction provides excellent wear resistance, even under high stress.
The tapered roller design distributes loads evenly, minimising surface fatigue over time.
Proper lubrication further extends its service life, reducing maintenance frequency.
Its standard radial clearance options allow for optimal performance in different setups.

Built for Reliability: 6375-6321 Bearing

6375-6321 Bearing handles combined loads effortlessly, thanks to its single-row tapered roller design.
The precise cone and cup dimensions ensure smooth operation and easy installation.
With a static radial load capacity of 90,900 lbf, it delivers consistent performance.
Its ABEC-1 rating confirms its precision engineering for various industrial uses.

Steel vs Ceramic Bearings: Strengths of 6375-6321 Bearing

6375-6321 Bearing uses chrome steel for both rings and rollers, offering excellent strength-to-weight ratio.
This material choice provides better impact resistance compared to ceramic alternatives in heavy applications.
The steel cage maintains structural integrity under high radial and thrust loads.
Its 8.1 lb weight balances durability with manageable handling during installation.

Application

Industrial Uses of 6375-6321 Bearing
The 6375-6321 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 6375-6321 Bearing supports wheel hubs and drivetrain components, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 6375-6321 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Why Is 6375-6321 Bearing Essential in Machinery?
The 6375-6321 Bearing excels in applications requiring precise load distribution, such as gearboxes and power transmission units. Its standard radial clearance offers flexibility for different operational needs.

Built for Heavy-Duty Use: 6375-6321 Bearing
The 6375-6321 Bearing is ideal for mining equipment, where its robust design withstands extreme conditions. The tapered rollers ensure smooth rotation even under heavy radial and thrust loads.

Automotive vs Aerospace: Applications of 6375-6321 Bearing
In automotive systems, 6375-6321 Bearing is trusted for its reliability in wheel assemblies. For aerospace, its precision and load capacity make it suitable for auxiliary equipment, though not for primary flight components.

Q&A

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