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TS (Single Row Tapered Roller Bearings) (Imperial) 3378-3325

TS (Single Row Tapered Roller Bearings) (Imperial) 3378-3325

The 3378-3325 is a single-row tapered roller bearing with a 1.4365″ bore and 3.1486″ outer diameter, crafted from sturdy 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 durability under heavy use. 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 industrial machinery or automotive systems where combined loads are common.

Weighing 1.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Suitable for applications requiring reliable load handling and easy maintenance.

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Product Parameters

  • Part Number 3378-3325
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4365" x 3.1486" x 1.1563"
  • Bore Dia 1.4365"
  • 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 1.69"
  • Cone Backface Backing Diameter 1.95"
  • 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 3378
  • 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 1.500 lb

Features

Engineered for Precision: 3378-3325 Bearing

3378-3325 Bearing features a single-row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 25,800 lbf.

The precision-engineered cage maintains roller alignment, reducing friction and wear.
With a standard radial clearance, it offers reliable performance across various applications.

3378-3325 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design simplifies lubrication, ensuring smooth operation over extended periods.

Application

Industrial Uses of 3378-3325 Bearing
3378-3325 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 3378-3325 Bearing Used?
You’ll often find 3378-3325 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise imperial sizing makes it a reliable choice for American-made vehicles.

Built for Heavy-Duty Use: 3378-3325 Bearing
3378-3325 Bearing excels in industrial gearboxes, supporting high radial and thrust loads. The steel cage provides stability during prolonged operation.

Automotive vs Aerospace: Applications of 3378-3325 Bearing
In automotive systems, 3378-3325 Bearing is ideal for transmissions due to its load capacity. For aerospace, its standard radial clearance suits various precision mechanisms.

Practical Applications of 3378-3325 Bearing
3378-3325 Bearing works well in agricultural machinery, handling rough terrain vibrations. The open design allows for easy lubrication maintenance in field conditions.

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