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TS (Single Row Tapered Roller Bearings) (Imperial) 343-333A

TS (Single Row Tapered Roller Bearings) (Imperial) 343-333A

The 343-333A is a single-row tapered roller bearing with a 1.375″ bore and 3.1486″ 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. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

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

Weighing just 1.2 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 343-333A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3.1486" x 0.8268"
  • Bore Dia 1.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.1486"
  • 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 0.8268"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.89"
  • Cup Frontface Backing Diameter 3.03"
  • 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 333A
  • 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

Why Choose 343-333A Bearing for Precision Tasks?

343-333A Bearing is crafted with chrome steel rings and rollers, ensuring durability and precision in combined load applications.
Its dynamic radial load capacity reaches 17,900 lbf, making it suitable for demanding industrial uses.

The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

343-333A Bearing’s standard radial clearance offers flexibility for different installation needs.
Its ABEC-1 rating ensures consistent performance in precision tasks.

Application

Industrial Uses of 343-333A Bearing
343-333A 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, 343-333A Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many American vehicle models.

For industrial conveyors, 343-333A Bearing’s open design allows for easy lubrication, extending its service life in continuous operation. The steel cage adds strength, making it suitable for high-load scenarios.

What Makes 343-333A Bearing a Preferred Choice?
343-333A Bearing is often chosen for agricultural machinery due to its ability to withstand dirt and debris. The standard radial clearance offers flexibility for different operating conditions.

In mining equipment, 343-333A Bearing’s robust design ensures reliable performance under extreme loads. Its compatibility with Timken models makes it a versatile option for maintenance and replacements.

Q&A

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