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TS (Single Row Tapered Roller Bearings) (Imperial) 3381-3331

TS (Single Row Tapered Roller Bearings) (Imperial) 3381-3331

The 3381-3331 is a single-row tapered roller bearing with a 1.5″ bore and 3.1562″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 25800 lbf radially and 3130 lbf thrust, making it a sturdy choice for heavy-duty applications.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in gearboxes, wheel hubs, or machinery where combined loads are common.

Weighing 1.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 3381-3331
  • 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 0.03"
  • Cone Frontface Backing Diameter 1.75"
  • Cone Backface Backing Diameter 2.01"
  • Cup Frontface Backing Diameter 2.95"
  • 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 3381
  • Cup Part Number 3331
  • 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 3381-3331 Bearing

3381-3331 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 tough conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 3381-3331 Bearing Engineered for Reliability?

3381-3331 Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 3,130 lbf makes it suitable for demanding tasks.
The open seal type allows for easy lubrication, maintaining performance over time.

Built for Durability: 3381-3331 Bearing

3381-3331 Bearing’s tapered roller design provides excellent load distribution, reducing wear.
The chrome steel components resist corrosion, ensuring long service life even in harsh conditions.
With a static radial load capacity of 29,100 lbf, it handles heavy-duty applications with ease.
The ABEC-1 rating guarantees consistent precision and reliability.

Application

Industrial Uses of 3381-3331 Bearing
3381-3331 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3381-3331 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 3381-3331 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds stability, making it suitable for continuous operation.

Where Is 3381-3331 Bearing Used?
You’ll often find 3381-3331 Bearing in agricultural machinery, supporting components like gearboxes and PTO shafts. Its robust design handles the rough conditions typical in farming equipment.

The bearing also works well in mining equipment, where its ability to manage heavy radial loads is essential. The standard radial clearance ensures smooth operation even with slight misalignments.

Built for Heavy-Duty Use: 3381-3331 Bearing
3381-3331 Bearing excels in applications like forklifts, where its combined load capacity is crucial. The tapered rollers distribute stress evenly, reducing wear over time.

In material handling systems, this bearing’s durability and ease of maintenance make it a practical choice. The open seal design simplifies relubrication, keeping downtime to a minimum.

Automotive vs Aerospace: Applications of 3381-3331 Bearing
In automotive settings, 3381-3331 Bearing is ideal for drivetrain components, offering reliable performance under high stress. Its compatibility with Timken models adds to its versatility.

For aerospace ground equipment, this bearing provides the precision needed for support machinery. The temperature range ensures consistent performance in various weather conditions.

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