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TS (Single Row Tapered Roller Bearings) (Imperial) 346-332US

TS (Single Row Tapered Roller Bearings) (Imperial) 346-332US

The 346-332US is a single-row tapered roller bearing with a 1.25″ bore and 3.1496″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 21200 lbf radially and 2570 lbf in thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

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

Weighing just 1.2 lb, it’s a sturdy yet manageable choice. Compliant with RoHS and REACH standards, it’s safe for widespread use.

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Product Parameters

  • Part Number 346-332US
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 3.1496" x 0.8267"
  • Bore Dia 1.25"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 1.56"
  • Cone Backface Backing Diameter 1.57"
  • 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 346
  • 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 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 1.2 lb

Features

Performance Features of 346-332US Bearing

346-332US 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 heavy-duty 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 various environmental conditions.

346-332US Bearing requires lubrication, ensuring smooth operation and reduced wear over time.
Its standard radial clearance makes it versatile for different industrial needs.

Application

Industrial Uses of 346-332US Bearing
The 346-332US Bearing is commonly used in heavy machinery like conveyor systems and industrial gearboxes, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 346-332US Bearing Used?
You’ll often find the 346-332US Bearing in automotive applications, such as wheel hubs and differential systems, where its precise inch sizing fits perfectly. The open design allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 346-332US Bearing
In construction equipment, the 346-332US Bearing supports axles and drivetrains, thanks to its high dynamic radial load capacity. The steel cage adds extra strength, making it reliable under constant stress.

Automotive vs Aerospace: Applications of 346-332US Bearing
While the 346-332US Bearing excels in automotive drivetrains, it’s also suitable for aerospace landing gear components. Its standard radial clearance ensures smooth operation in both high and low-speed scenarios.

Perfect Fit for Automation: 346-332US Bearing
The 346-332US Bearing works well in robotic arms and automated assembly lines, where its tapered rollers provide stability. The ABEC-1 rating ensures consistent performance for precision tasks.

Q&A

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