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TS (Single Row Tapered Roller Bearings) (Imperial) 343-332US

TS (Single Row Tapered Roller Bearings) (Imperial) 343-332US

The 343-332US is a single-row tapered roller bearing with a 1.375″ bore and 3.1496″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 17900 lbf radially and 2170 lbf 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.

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

Weighing 1.2 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 343-332US
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3.1496" x 0.8267"
  • Bore Dia 1.375"
  • 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 0.8267"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.89"
  • 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 343
  • 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 17900 lbf
  • Static Radial Load 18700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 4640 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2170 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 343-332US Bearing

343-332US Bearing is crafted with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 17900 lbf, ensuring reliable performance in various applications.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in diverse environments.

Why Choose 343-332US Bearing for Precision Tasks?

343-332US Bearing features precise cone and cup width tolerances for accurate alignment.
The tapered roller design efficiently handles both radial and thrust loads.
Its standard radial clearance ensures smooth operation in most industrial settings.
The bearing requires lubrication but offers long service life with proper maintenance.

Engineered for Reliability: 343-332US Bearing

343-332US Bearing’s single row construction provides stability under heavy loads.
The chrome steel components resist wear, maintaining performance over time.
With an ABEC-1 rating, it delivers consistent precision for general applications.
The open design allows for easy lubrication and inspection during use.

Steel vs Ceramic Bearings: Strengths of 343-332US Bearing

343-332US Bearing uses durable chrome steel for cost-effective performance.
Its steel construction handles high dynamic loads while maintaining dimensional stability.
The bearing’s standard clearance fits most industrial applications without modification.
At 1.2 lb, it offers a good balance between strength and weight for imperial-sized equipment.

How Does 343-332US Bearing Resist Wear?

343-332US Bearing’s hardened chrome steel components reduce surface fatigue.
The tapered roller design distributes loads evenly across the bearing surfaces.
Proper lubrication further enhances its wear resistance and service life.
With static radial load capacity of 18700 lbf, it withstands demanding conditions.

Application

Industrial Uses of 343-332US Bearing
The 343-332US Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 343-332US Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it a convenient choice for American-made vehicles.

For industrial conveyor systems, 343-332US Bearing’s open design allows for easy lubrication, extending its service life in continuous operation. The steel cage adds stability, reducing wear over time.

Where Is 343-332US Bearing Used?
You’ll often find 343-332US Bearing in mining equipment, where its robust design handles high radial and thrust loads. The standard radial clearance ensures smooth operation even under heavy stress.

In manufacturing plants, 343-332US Bearing supports machinery like presses and rollers, thanks to its ABEC-1 precision. The tapered rollers distribute loads evenly, reducing friction and heat buildup.

Built for Heavy-Duty Use: 343-332US Bearing
The 343-332US Bearing excels in forestry equipment, where its combined load capacity handles rough terrain and uneven forces. The chrome steel rollers resist wear, maintaining performance over long periods.

In material handling systems, 343-332US Bearing’s inch dimensions make it easy to replace in existing setups. Its open design simplifies maintenance, reducing downtime in busy operations.

Automotive vs Aerospace: Applications of 343-332US Bearing
In automotive settings, 343-332US Bearing is ideal for drivetrain components, offering reliable performance under constant vibration. The inch sizing ensures compatibility with many US-built vehicles.

For aerospace ground support equipment, 343-332US Bearing provides stability in load-bearing applications. Its temperature range suits both indoor and outdoor use, adapting to various working conditions.

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