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TS (Single Row Tapered Roller Bearings) (Imperial) 3379-3325

TS (Single Row Tapered Roller Bearings) (Imperial) 3379-3325

The 3379-3325 is a single-row tapered roller bearing with a 1.375″ bore and 3.1486″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 25800 lbf radially and 3130 lbf in thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 1.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number 3379-3325
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3.1486" x 1.1563"
  • Bore Dia 1.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.1486"
  • 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 2.95"
  • Cup Backface Backing Diameter 2.76"
  • 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 3325
  • 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 1.6 lb

Features

How Is 3379-3325 Bearing Engineered for Reliability?

3379-3325 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 25,800 lbf, ensuring dependable performance in tough conditions.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in varied environments.

What Makes 3379-3325 Bearing Suitable for High-Temperature Applications?

3379-3325 Bearing operates efficiently in temperatures up to 110°C, thanks to its chrome steel construction.
The tapered roller design distributes loads evenly, enhancing durability under stress.
Its standard radial clearance allows for smooth performance in fluctuating thermal conditions.
Lubrication ensures consistent operation, even in demanding high-temperature settings.

Structural Advantages of 3379-3325 Bearing

3379-3325 Bearing features a single-row tapered roller design, optimised for combined load handling.
The precise cone and cup dimensions ensure accurate fit and alignment during installation.
Chrome steel components resist wear, maintaining performance over extended use.
With a static radial load capacity of 29,100 lbf, it suits heavy-duty applications.

Why Choose 3379-3325 Bearing for Precision Tasks?

3379-3325 Bearing’s ABEC-1 rating ensures consistent precision for industrial applications.
The tapered rollers reduce friction, enabling smooth rotation under radial and thrust loads.
Its effective centre location enhances stability, crucial for precise machinery operation.
Standard radial clearance options provide flexibility for different performance needs.

Enhanced for Longevity: 3379-3325 Bearing

3379-3325 Bearing’s chrome steel rollers and rings are designed for extended service life.
The steel cage minimises wear by keeping rollers properly spaced and aligned.
Dynamic radial ratings of 6,700 lbf (C90) ensure reliable long-term performance.
Regular lubrication further prolongs its operational lifespan in various conditions.

Application

Industrial Uses of 3379-3325 Bearing
3379-3325 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 3379-3325 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for American-made vehicles.

For industrial conveyor systems, 3379-3325 Bearing’s open design allows for easy lubrication, reducing downtime. The steel cage adds stability, making it suitable for high-load scenarios.

What Makes 3379-3325 Bearing a Preferred Choice?
3379-3325 Bearing stands out in mining equipment due to its ability to manage both radial and thrust loads. The standard radial clearance offers flexibility for different operational needs.

In power transmission systems, 3379-3325 Bearing’s ABEC-1 rating ensures consistent performance. Its temperature range of -30° to 110°C makes it adaptable to various environments.

Q&A

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