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TS (Single Row Tapered Roller Bearings) (Imperial) 339-332A

TS (Single Row Tapered Roller Bearings) (Imperial) 339-332A

The 339-332A is a single-row tapered roller bearing with a 1.378″ bore and 3.1496″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 21200 lbf radially and 2570 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, wheel hubs, or industrial machinery where combined loads are common.

Weighing 1.2 lb, it offers a robust yet manageable size. Compliant with RoHS and REACH standards for safe and reliable performance.

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Product Parameters

  • Part Number 339-332A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 3.1496" x 0.9517"
  • Bore Dia 1.378"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.1496"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.882"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.8268"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9517"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.67"
  • Cup Frontface Backing Diameter 2.99"
  • Cup Backface Backing Diameter 2.8"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0"
  • Effective Center Location -0.25"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 339
  • Cup Part Number 332A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 335
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 21200 lbf
  • Static Radial Load 18700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5490 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2570 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 1.2 lb

Features

Performance Features of 339-332A Bearing

339-332A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,200 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

339-332A Bearing’s standard radial clearance allows for smooth operation.
Its ABEC-1 rating ensures consistent performance in precision tasks.

The tapered roller design enhances load distribution, extending service life.
Lubrication is required to maintain optimal performance over time.

Application

Industrial Uses of 339-332A Bearing
339-332A Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 339-332A Bearing supports wheel hubs and drivetrain components, providing reliable performance under radial and thrust loads. Its inch sizing makes it a preferred choice for American vehicle models.

For industrial conveyors, 339-332A Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds stability during continuous operation.

Where Is 339-332A Bearing Used?
You’ll often find 339-332A Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles rough terrain. The standard radial clearance ensures smooth rotation under varying loads.

In mining equipment, 339-332A Bearing’s ability to manage heavy radial and thrust loads makes it ideal for crushers and screens. The ABEC-1 rating balances precision and cost-effectiveness for industrial use.

Built for Heavy-Duty Use: 339-332A Bearing
339-332A Bearing excels in forestry equipment like log splitters, where its tapered rollers distribute loads evenly. The chrome steel rollers resist wear, even in dusty or wet conditions.

For railway applications, 339-332A Bearing’s durability ensures reliable performance in freight car axles. The inch measurements simplify replacements in older rolling stock.

Automotive vs Aerospace: Applications of 339-332A Bearing
In automotive systems, 339-332A Bearing is trusted for differential assemblies, where its combined load capacity shines. The steel cage prevents roller misalignment during sharp turns.

For aerospace ground support equipment, 339-332A Bearing’s temperature range suits outdoor use. However, its ABEC-1 rating makes it less common in high-precision flight components.

Q&A

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