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TS (Single Row Tapered Roller Bearings) (Imperial) 3381-3325

TS (Single Row Tapered Roller Bearings) (Imperial) 3381-3325

The 3381-3325 is a single-row tapered roller bearing with a 1.5″ bore and 3.1486″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 25800 lbf radially and 3130 lbf in thrust, suitable for demanding 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, 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 manageability. Compliant with RoHS and REACH standards for safe and reliable performance.

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Product Parameters

  • Part Number 3381-3325
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 3.1486" x 1.1563"
  • Bore Dia 1.5"
  • 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 1.75"
  • Cone Backface Backing Diameter 2.01"
  • 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 3381
  • 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

How Is 3381-3325 Bearing Engineered for Reliability?

3381-3325 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 25800 lbf, making it suitable for demanding industrial applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes 3381-3325 Bearing Suitable for High-Temperature Applications?

3381-3325 Bearing operates efficiently in temperatures from -30° to 110°C, maintaining performance in harsh conditions.
The chrome steel construction resists wear, ensuring longevity even under heavy radial and thrust loads.
Its standard radial clearance options provide flexibility for different operational needs.
The open design allows for easy lubrication, enhancing reliability in high-temperature settings.

Designed for Durability: 3381-3325 Bearing

3381-3325 Bearing is built with precision to handle combined loads up to 25800 lbf dynamically.
The tapered roller design distributes stress evenly, reducing wear and improving efficiency.
Its chrome steel components resist corrosion, ensuring long-term performance.
The standard ABEC-1 rating guarantees consistent quality and reliability.

Application

Industrial Uses of 3381-3325 Bearing
The 3381-3325 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in rugged environments.

Where Is 3381-3325 Bearing Used?
You’ll often find 3381-3325 Bearing in automotive axles and gearboxes, thanks to its ability to manage both radial and thrust loads. The inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 3381-3325 Bearing
In industrial fans and pumps, 3381-3325 Bearing’s open design allows for easy lubrication, extending its service life. The steel cage adds stability during high-speed operations.

Automotive vs Aerospace: Applications of 3381-3325 Bearing
While 3381-3325 Bearing is popular in truck wheel hubs, it’s also suited for aerospace landing gear components. Its ABEC-1 rating ensures reliable performance in precision applications.

Perfect Fit for Automation: 3381-3325 Bearing
In conveyor systems and robotic arms, 3381-3325 Bearing’s tapered rollers provide smooth motion under varying loads. The standard radial clearance offers flexibility for different setups.

Q&A

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