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TS (Single Row Tapered Roller Bearings) (Imperial) 3379-3329

TS (Single Row Tapered Roller Bearings) (Imperial) 3379-3329

The 3379-3329 is a single-row tapered roller bearing with a 1.375″ bore and 3.2187″ 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 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 demanding environments.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty machinery, automotive systems, or industrial equipment 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 3379-3329
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3.2187" x 1.1563"
  • Bore Dia 1.375"
  • 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 1.63"
  • Cone Backface Backing Diameter 1.89"
  • 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 3379
  • 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 1.7 lb

Features

How Is 3379-3329 Bearing Engineered for Reliability?

3379-3329 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 25,800 lbf, making it suitable for heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

3379-3329 Bearing operates within a temperature range of -30° to 110°C, adapting to diverse environments.
The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.

This bearing requires lubrication but is designed for long-term reliability with minimal maintenance.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

Industrial Uses of 3379-3329 Bearing
The 3379-3329 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 in tough working conditions.

In automotive applications, 3379-3329 Bearing fits well in wheel hubs and drivetrains, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial fans and pumps, 3379-3329 Bearing’s open design allows easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear during high-speed rotations.

Where Is 3379-3329 Bearing Used?
You’ll often find 3379-3329 Bearing in conveyor systems, where its ability to manage radial and thrust loads keeps operations smooth. The standard radial clearance offers flexibility for different installation needs.

In power transmission units, 3379-3329 Bearing supports shafts and gears, ensuring consistent performance. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 3379-3329 Bearing
The 3379-3329 Bearing excels in mining equipment, where its robust design withstands harsh environments. The tapered rollers distribute loads evenly, reducing stress on components.

For forestry machinery, 3379-3329 Bearing’s high dynamic radial load capacity ensures reliability under heavy use. The steel cage and chrome steel rollers enhance longevity even in dusty conditions.

Automotive vs Aerospace: Applications of 3379-3329 Bearing
In automotive systems, 3379-3329 Bearing is ideal for axles and differentials, offering a balance of strength and precision. Its imperial measurements simplify maintenance for mechanics.

For aerospace ground support equipment, 3379-3329 Bearing provides dependable performance in load-handling applications. The temperature range suits both indoor and outdoor use.

Q&A

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