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TS (Single Row Tapered Roller Bearings) (Imperial) 3379-3328

TS (Single Row Tapered Roller Bearings) (Imperial) 3379-3328

The 3379-3328 is a single-row tapered roller bearing with a 1.375″ bore and 3.3125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 25800 lbf radially and 3130 lbf thrust, making it versatile for various 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, suitable for demanding environments.

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

Weighing 1.8 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 3379-3328
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3.3125" x 1.1563"
  • Bore Dia 1.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.3125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1965"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1563"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.89"
  • Cup Frontface Backing Diameter 3.03"
  • Cup Backface Backing Diameter 2.83"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.43"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3379
  • Cup Part Number 3328
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 25800 lbf
  • Static Radial Load 29100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3130 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 1.8 lb

Features

Performance Features of 3379-3328 Bearing

3379-3328 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 25,800 lbf, making it suitable for heavy-duty applications.
The tapered roller design ensures smooth operation and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 3379-3328 Bearing Engineered for Reliability?

3379-3328 Bearing features a steel cage that maintains roller alignment, reducing wear and extending lifespan.
The standard radial clearance allows for flexibility in different operational environments.
Its ABEC-1 rating ensures consistent precision for industrial applications.
The open seal design simplifies maintenance while keeping contaminants at bay.

Built for Durability: 3379-3328 Bearing

3379-3328 Bearing’s single-row construction provides stability and strength in demanding settings.
The chrome steel components resist wear, ensuring long-term performance.
With a static radial load capacity of 29,100 lbf, it handles high-stress situations with ease.
The effective center location of -0.43″ enhances load distribution and operational efficiency.

Steel vs Ceramic Bearings: Strengths of 3379-3328 Bearing

3379-3328 Bearing uses chrome steel for both rings and rollers, balancing cost and durability.
The material choice ensures resistance to heavy loads and prolonged use.
Its dynamic thrust rating of 3,130 lbf (Ca90) highlights versatility in various applications.
The standard lubrication requirement ensures smooth performance without excessive maintenance.

Application

Industrial Uses of 3379-3328 Bearing
The 3379-3328 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where combined radial and thrust loads are present. Its tapered roller design ensures smooth operation even under demanding conditions.

In automotive applications, 3379-3328 Bearing fits well in wheel hubs and differential systems, providing reliable performance over long distances. The chrome steel construction enhances durability, making it suitable for both on-road and off-road vehicles.

For industrial conveyor systems, 3379-3328 Bearing offers stability and load-handling capabilities, reducing downtime in high-throughput environments. The open design allows for easy lubrication, extending the bearing’s service life.

In power transmission units, 3379-3328 Bearing handles high radial loads efficiently, ensuring consistent performance in gearboxes and pulleys. The standard radial clearance makes it adaptable to various operational requirements.

Where Is 3379-3328 Bearing Used?
You’ll often find 3379-3328 Bearing in mining equipment, where its robust design withstands harsh conditions and heavy loads. The steel cage adds extra strength, making it a dependable choice for abrasive environments.

In railway applications, 3379-3328 Bearing supports axle boxes, ensuring smooth and safe train operations. Its inch sizing makes it compatible with many North American rail components.

Built for Heavy-Duty Use: 3379-3328 Bearing
The 3379-3328 Bearing excels in forestry machinery, handling uneven loads and vibrations with ease. Its tapered rollers distribute stress evenly, reducing wear over time.

For oil and gas equipment, 3379-3328 Bearing provides reliable performance in pumps and compressors. The ABEC-1 rating ensures sufficient precision for these critical applications.

Automotive vs Aerospace: Applications of 3379-3328 Bearing
In automotive systems, 3379-3328 Bearing is ideal for drivetrain components, offering a balance of strength and longevity. The combined load capacity makes it versatile for various vehicle types.

For aerospace ground support equipment, 3379-3328 Bearing ensures smooth operation in loading mechanisms and maintenance tools. Its temperature range suits both indoor and outdoor use.

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