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

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

The 343-333 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 in thrust, making it versatile for various 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, offering a reliable replacement option. Ideal for machinery like gearboxes or wheel hubs where combined loads are common.

Weighing just 1.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The tapered roller design provides effective load distribution, enhancing longevity. Suitable for industrial settings requiring standard radial clearance.

Its ABEC-1 rating ensures consistent performance in most applications. A practical choice for maintenance and replacement in heavy-duty equipment.

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Product Parameters

  • Part Number 343-333
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3.1496" x 0.8268"
  • 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 0.8268"
  • 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 0.08"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.89"
  • Cup Frontface Backing Diameter 3.03"
  • 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 333
  • 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 343-333 Bearing

343-333 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 environments.

343-333 Bearing requires lubrication, which helps maintain smooth operation over time.
Its standard radial clearance makes it versatile for different industrial needs.

Application

Industrial Uses of 343-333 Bearing
The 343-333 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 343-333 Bearing Used?
You’ll often find 343-333 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for vehicles using imperial measurements.

Built for Heavy-Duty Use: 343-333 Bearing
In industrial settings, 343-333 Bearing excels in conveyor systems and gearboxes, thanks to its robust steel cage and high load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 343-333 Bearing
While 343-333 Bearing is popular in automotive drivetrains, it’s also suitable for aerospace ground support equipment. Its ABEC-1 rating balances precision and cost-effectiveness for these varied uses.

Perfect Fit for Automation: 343-333 Bearing
For automated machinery, 343-333 Bearing offers smooth operation in robotic arms and assembly lines. The tapered rollers reduce friction, ensuring consistent performance over time.

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