TS (Single Row Tapered Roller Bearings) (Imperial) 3378-3328

TS (Single Row Tapered Roller Bearings) (Imperial) 3378-3328

The 3378-3328 is a single-row tapered roller bearing with a 1.4365″ bore and 3.3125″ 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 easy lubrication, while the steel cage ensures reliable performance. 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 practical replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.7 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 3378-3328
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4365" x 3.3125" x 1.1563"
  • Bore Dia 1.4365"
  • 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 1.69"
  • Cone Backface Backing Diameter 1.95"
  • 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 3378
  • 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 1.7 lb

Features

How Is 3378-3328 Bearing Engineered for Reliability?

3378-3328 Bearing features a single-row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.
The standard radial clearance allows for smooth operation, while the steel cage maintains roller alignment.
With a dynamic radial load capacity of 25,800 lbf, it delivers reliable performance under heavy loads.

What Makes 3378-3328 Bearing Suitable for High-Temperature Applications?

3378-3328 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its chrome steel rollers and rings maintain structural integrity even in high-heat conditions.
The open design allows for easy lubrication, ensuring consistent performance.
This bearing is built to withstand demanding environments without compromising reliability.

Designed for Durability: 3378-3328 Bearing

3378-3328 Bearing’s tapered roller design provides excellent load distribution, reducing stress on components.
The chrome steel material resists wear, extending the bearing’s service life.
Its standard radial clearance ensures smooth rotation, while the steel cage keeps rollers in place.
With a static radial load capacity of 29,100 lbf, it is built for long-lasting performance.

Application

Industrial Uses of 3378-3328 Bearing
3378-3328 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3378-3328 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many American-made vehicles.

For industrial conveyor systems, 3378-3328 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds stability during continuous operation.

What Makes 3378-3328 Bearing a Preferred Choice?
3378-3328 Bearing is often chosen for agricultural machinery due to its ability to handle both radial and thrust loads. The standard radial clearance offers flexibility in various applications.

In mining equipment, 3378-3328 Bearing’s robust design withstands harsh conditions, while its ABEC-1 rating ensures consistent performance. The temperature range also suits most outdoor operations.

Built for Heavy-Duty Use: 3378-3328 Bearing
3378-3328 Bearing excels in forestry machinery, where its tapered rollers manage uneven loads smoothly. The chrome steel rollers resist wear, even with frequent use.

For railway applications, 3378-3328 Bearing’s dynamic load capacity makes it suitable for axle boxes. The inch measurements align with many North American rail standards.

Light-Duty vs Heavy-Duty: Best Uses for 3378-3328 Bearing
In light-duty applications like small gearboxes, 3378-3328 Bearing provides reliable performance without excessive maintenance. Its standard clearance balances precision and durability.

For heavy-duty uses such as oil rig equipment, 3378-3328 Bearing’s high static load rating ensures stability. The steel cage further enhances its resilience in tough conditions.

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