+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 339-332US

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

The 339-332US is a single-row tapered roller bearing with a 1.378″ bore and 3.1496″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 21200 lbf radially and 2570 lbf thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures 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 1.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

The standard radial clearance ensures versatility, with options for C3, C4, or C5 available. Its ABEC-1 rating balances precision and cost-effectiveness.

The tapered roller design provides stable performance under heavy loads. Perfect for maintenance or upgrades in automotive and industrial settings.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 339-332US
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 3.1496" x 0.8268"
  • 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 0.7018"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8268"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.67"
  • Cup Frontface Backing Diameter 2.99"
  • Cup Backface Backing Diameter 2.83"
  • 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 332US
  • 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 339-332US Bearing

339-332US 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, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 339-332US Bearing Engineered for Reliability?

339-332US Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent strength and wear resistance.
Its standard radial clearance ensures smooth operation, while the ABEC-1 rating guarantees consistent performance.
The bearing requires lubrication, ensuring long service life and reduced maintenance needs.

Built for Durability: 339-332US Bearing

339-332US Bearing’s robust design includes precise cone and cup width tolerances for reliable fit.
The chrome steel rollers and cage work together to minimise friction and extend bearing life.
With a static radial load capacity of 18,700 lbf, it handles demanding applications with ease.
Its open seal type allows for easy lubrication and maintenance.

Steel vs Ceramic Bearings: Strengths of 339-332US Bearing

339-332US Bearing uses chrome steel for both rollers and rings, offering a balance of strength and affordability.
The steel cage ensures stability, while the tapered roller design efficiently manages combined loads.
With a dynamic thrust rating of 2,570 lbf, it performs well in various industrial settings.
The bearing’s standard radial clearance provides flexibility for different installation requirements.

Application

Industrial Uses of 339-332US Bearing
339-332US 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, 339-332US 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, 339-332US Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds stability, reducing wear over time.

Why Is 339-332US Bearing Essential in Machinery?
339-332US Bearing plays a key role in agricultural machinery, supporting components like gearboxes and PTO shafts. Its tapered rollers distribute loads evenly, reducing stress on other parts.

In mining equipment, 339-332US Bearing’s robust design withstands harsh conditions, from dust to heavy vibrations. The ABEC-1 rating ensures consistent performance without unnecessary precision costs.

For general manufacturing, 339-332US Bearing offers a balance of strength and ease of maintenance. The standard radial clearance makes it versatile for various industrial setups.

Built for Heavy-Duty Use: 339-332US Bearing
339-332US Bearing is ideal for forestry machinery, where its combined load capacity handles both radial and axial forces. The steel cage prevents roller misalignment, even under heavy stress.

In material handling systems, 339-332US Bearing’s open design simplifies lubrication, keeping operations smooth. Its temperature range suits both indoor and outdoor applications.

For railway applications, 339-332US Bearing provides reliable performance in bogies and axle boxes. The chrome steel rollers resist wear, ensuring long service intervals.

Automotive vs Aerospace: Applications of 339-332US Bearing
In automotive drivetrains, 339-332US Bearing supports components like differentials, handling high torque loads. Its imperial sizing aligns with aftermarket repair standards.

For aerospace ground equipment, 339-332US Bearing is used in tow tractors and loaders, where durability matters more than ultra-precision. The standard clearance fits these moderate-speed applications.

In industrial pumps, 339-332US Bearing’s tapered rollers manage both radial and thrust loads efficiently. The steel cage ensures stability, even in continuous operation.

Q&A

SEND INQUIRY