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TS (Single Row Tapered Roller Bearings) (Imperial) 346-333A

TS (Single Row Tapered Roller Bearings) (Imperial) 346-333A

The 346-333A is a single-row tapered roller bearing with a 1.25″ bore and 3.1486″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 21200 lbf radially and 2570 lbf 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 use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 1.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various industries.

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Product Parameters

  • Part Number 346-333A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 3.1486" x 0.8268"
  • Bore Dia 1.25"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.56"
  • Cone Backface Backing Diameter 1.57"
  • 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 346
  • 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 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 1.3 lb

Features

Performance Features of 346-333A Bearing

346-333A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,200 lbf, ensuring reliable performance in various applications.

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

346-333A Bearing requires lubrication, which helps maintain smooth operation over time.
Its standard radial clearance options provide flexibility for different operational needs.

Application

Industrial Uses of 346-333A Bearing
The 346-333A 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.

Where Is 346-333A Bearing Used?
You’ll often find 346-333A Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for older or custom-built vehicles.

Built for Heavy-Duty Use: 346-333A Bearing
346-333A Bearing excels in industrial settings such as conveyor systems and gearboxes, thanks to its high dynamic radial load capacity. The open design allows for easy lubrication and maintenance.

Automotive vs Aerospace: Applications of 346-333A Bearing
In automotive systems, 346-333A Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary equipment. Its ABEC-1 rating ensures consistent performance across different industries.

What Makes 346-333A Bearing a Preferred Choice?
346-333A Bearing is a go-to for machinery requiring precise radial and thrust load handling, like pumps and compressors. The steel cage adds extra strength, making it suitable for high-stress conditions.

Q&A

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