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

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

The 346-333 is a single-row tapered roller bearing with a 1.25″ bore and 3.1496″ outer diameter, crafted from sturdy 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 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 1.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

The standard radial clearance can be adjusted to C3, C4, or C5 if needed. Its ABEC-1 rating ensures dependable performance for most general applications.

Perfect for maintenance tasks, its tapered roller design provides stable support under heavy radial and axial forces. A practical choice for both new installations and replacements.

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Product Parameters

  • Part Number 346-333
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 3.1496" x 0.8268"
  • 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 0.8268"
  • 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 0.08"
  • Cone Frontface Backing Diameter 1.56"
  • Cone Backface Backing Diameter 1.57"
  • 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 346
  • 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 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

Why Choose 346-333 Bearing for Combined Loads?

346-333 Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined radial and thrust loads.
Its dynamic radial load capacity reaches 21,200 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

Application

Industrial Uses of 346-333 Bearing
346-333 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is 346-333 Bearing Used?
You’ll often find 346-333 Bearing in automotive applications like truck wheel hubs, where its ability to manage radial and thrust loads keeps things running smoothly. The inch sizing makes it a good fit for many North American vehicle models.

Built for Heavy-Duty Use: 346-333 Bearing
346-333 Bearing works well in industrial fans and pumps, thanks to its robust steel cage and standard radial clearance. Its open design allows for easy lubrication, extending its service life in high-use environments.

Automotive vs Aerospace: Applications of 346-333 Bearing
In automotive settings, 346-333 Bearing supports drivetrain components, while in aerospace, it’s suited for auxiliary systems due to its reliable performance under varying loads. The ABEC-1 rating ensures consistent precision for these demanding applications.

Essential Roles of 346-333 Bearing
346-333 Bearing is a go-to choice for conveyor systems, where its tapered rollers handle both radial and axial forces with ease. The steel cage and chrome steel rollers provide long-lasting performance in continuous operation.

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