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TS (Single Row Tapered Roller Bearings) (Imperial) 3381-3320

TS (Single Row Tapered Roller Bearings) (Imperial) 3381-3320

The 3381-3320 is a single-row tapered roller bearing with a 1.5″ bore and 3.1562″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 25800 lbf radially and 3130 lbf thrust, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 1.5 lb, it offers a balance of strength and manageable size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 3381-3320
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 3.1562" x 1.1563"
  • Bore Dia 1.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.1562"
  • 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 1.75"
  • Cone Backface Backing Diameter 2.01"
  • Cup Frontface Backing Diameter 2.99"
  • 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 3381
  • Cup Part Number 3320
  • 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

Performance Features of 3381-3320 Bearing

3381-3320 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 reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 3381-3320 Bearing Engineered for Reliability?

3381-3320 Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction provides durability and resistance to wear under heavy loads.
Its standard radial clearance ensures smooth operation, while the open seal type allows for easy lubrication.
This design makes it a dependable choice for industrial and automotive uses.

Built for Durability: 3381-3320 Bearing

3381-3320 Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The chrome steel components resist wear, ensuring a long service life even in tough conditions.
With a static radial load capacity of 29,100 lbf, it excels in high-load applications.
Its ABEC-1 rating guarantees consistent performance and reliability.

Steel vs Ceramic Bearings: Strengths of 3381-3320 Bearing

3381-3320 Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
This material choice ensures reliable performance under heavy combined loads and high temperatures.
The steel cage design keeps rollers properly spaced, reducing friction and wear.
Compared to ceramic options, it offers a cost-effective solution for demanding industrial applications.

Application

Industrial Uses of 3381-3320 Bearing
The 3381-3320 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently.
Its chrome steel construction ensures durability, even in demanding environments with high radial and thrust forces.

Where Is 3381-3320 Bearing Used?
You’ll often find 3381-3320 Bearing in automotive applications, particularly in wheel hubs and differential systems.
The imperial sizing makes it a straightforward fit for older or custom-built vehicles, especially in North American markets.

Built for Heavy-Duty Use: 3381-3320 Bearing
In conveyor systems, 3381-3320 Bearing provides reliable performance under continuous load, thanks to its robust steel cage.
The open design simplifies lubrication, which is essential for maintaining smooth operation in industrial settings.

Automotive vs Industrial: Applications of 3381-3320 Bearing
For automotive repairs, 3381-3320 Bearing is a go-to choice for axles and transmissions due to its compatibility with Timken designs.
In industrial settings, it’s equally at home in pumps and gearboxes, where its standard radial clearance offers flexibility.

Key Fields for 3381-3320 Bearing
3381-3320 Bearing works well in mining equipment, where its ability to handle shock loads is a real advantage.
The ABEC-1 rating ensures consistent performance without over-engineering for most general-purpose applications.

Q&A

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