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

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

The 343-332 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, suitable for moderate-speed applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

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

Weighing 1.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most applications.

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Product Parameters

  • Part Number 343-332
  • 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 0.050"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.89"
  • Cup Frontface Backing Diameter 2.99"
  • Cup Backface Backing Diameter 2.87"
  • 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 332
  • 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 343-332 Bearing

343-332 Bearing is built 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 roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in diverse conditions.

How Does 343-332 Bearing Reduce Friction?

343-332 Bearing’s tapered roller design minimises friction, allowing smooth operation under heavy loads.
The chrome steel construction ensures durability while maintaining efficiency.
Its standard radial clearance options provide flexibility for different applications.
Regular lubrication further enhances its performance and longevity.

Designed for Durability: 343-332 Bearing

343-332 Bearing features a single-row construction, optimised for strength and reliability.
The chrome steel components resist wear, even in demanding environments.
With a static radial load capacity of 18700 lbf, it handles significant stress.
Its ABEC-1 rating ensures consistent precision in various industrial uses.

Steel vs Ceramic Bearings: Strengths of 343-332 Bearing

343-332 Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice provides excellent load capacity without compromising durability.
The steel cage design ensures proper roller spacing for efficient operation.
Maintenance is straightforward, requiring standard lubrication practices.

Application

Industrial Uses of 343-332 Bearing
The 343-332 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 in tough working conditions.

Where Is 343-332 Bearing Used?
You’ll often find the 343-332 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for older or custom vehicle models.

Built for Heavy-Duty Use: 343-332 Bearing
This bearing excels in industrial settings like conveyor systems, where its open design allows for easy lubrication. The steel cage adds extra strength, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 343-332 Bearing
In automotive systems, the 343-332 Bearing supports wheel assemblies, while its precision also makes it useful in aerospace landing gear. The ABEC-1 rating ensures consistent performance across different industries.

Perfect Fit for Automation: 343-332 Bearing
The 343-332 Bearing works well in automated machinery, such as packaging lines, thanks to its smooth operation under radial and thrust loads. Its standard radial clearance offers flexibility for various setups.

Q&A

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