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TS (Single Row Tapered Roller Bearings) (Imperial) 3381-3329

TS (Single Row Tapered Roller Bearings) (Imperial) 3381-3329

The 3381-3329 is a single-row tapered roller bearing with a 1.5″ bore and 3.2187″ 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 easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 1.6 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 3381-3329
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 3.2187" x 1.1563"
  • Bore Dia 1.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.2187"
  • 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 2.8"
  • 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 3329
  • 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 1.6 lb

Features

Performance Features of 3381-3329 Bearing

3381-3329 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 25,800 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Why Choose 3381-3329 Bearing for Precision Tasks?

3381-3329 Bearing features precise cone and cup dimensions, ensuring accurate performance in combined load scenarios.
The standard radial clearance option allows for smooth operation in most industrial applications.
Its ABEC-1 rating guarantees consistent quality and reliability.
The open design simplifies lubrication, maintaining optimal performance over time.

Built for Reliability: 3381-3329 Bearing

3381-3329 Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The chrome steel construction resists wear, extending the bearing’s service life.
With a static radial load capacity of 29,100 lbf, it excels in demanding environments.
Its standardised dimensions ensure easy interchangeability with Timken bearings.

Steel vs Ceramic Bearings: Strengths of 3381-3329 Bearing

3381-3329 Bearing uses high-quality chrome steel for both rings and rollers, providing excellent strength and durability.
This material choice ensures reliable performance under heavy loads without the brittleness of ceramic alternatives.
The steel cage further enhances stability and load distribution.
Its robust construction makes it a practical choice for industrial applications.

Application

Industrial Uses of 3381-3329 Bearing
The 3381-3329 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3381-3329 Bearing fits well in wheel hubs and transmissions, providing reliable performance under varying loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial fans and pumps, 3381-3329 Bearing’s open design allows easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear over time.

What Makes 3381-3329 Bearing a Preferred Choice?
The 3381-3329 Bearing is often selected for agricultural machinery due to its ability to withstand dirt and debris. Its standard radial clearance offers flexibility for different load conditions.

In conveyor systems, 3381-3329 Bearing’s tapered rollers ensure smooth movement under heavy loads. The ABEC-1 rating provides sufficient precision for most industrial applications.

Built for Heavy-Duty Use: 3381-3329 Bearing
The 3381-3329 Bearing excels in mining equipment, where its robust design handles extreme conditions. The chrome steel rollers resist deformation under high stress.

For gearboxes, 3381-3329 Bearing’s effective center location improves alignment, reducing vibration. Its temperature range suits both hot and cold operating environments.

Automotive vs Aerospace: Applications of 3381-3329 Bearing
In automotive drivetrains, 3381-3329 Bearing supports high radial and thrust loads, ensuring smooth power transmission. Its compatibility with Timken models simplifies replacements.

For aerospace ground equipment, 3381-3329 Bearing’s reliability makes it suitable for maintenance tools. The steel cage ensures consistent performance under frequent use.

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