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TS (Single Row Tapered Roller Bearings) (Imperial) 344-333A

TS (Single Row Tapered Roller Bearings) (Imperial) 344-333A

The 344-333A is a single-row tapered roller bearing with a 1.57″ bore and 3.15″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 21200 lbf radially and 2570 lbf thrust-wise, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability. 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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing just 1.1 lb, it’s a robust yet manageable choice for industrial use. Compliant with RoHS and REACH standards for safe and eco-friendly operation.

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Product Parameters

  • Part Number 344-333A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5748" x 3.1486" x 0.8268"
  • Bore Dia 1.5748"
  • 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 1.79"
  • Cone Backface Backing Diameter 2.05"
  • 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 344
  • 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 1.1 lb

Features

How Is 344-333A Bearing Engineered for Reliability?

344-333A Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,200 lbf, ensuring dependable performance in demanding conditions.
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.

Why Choose 344-333A Bearing for Precision Tasks?

344-333A Bearing’s tapered roller design ensures precise load distribution, enhancing stability.
The standard radial clearance and ABEC-1 rating offer consistent performance for general applications.
Its open construction simplifies lubrication, maintaining smooth operation over time.
The inch-sized dimensions (1.5748″ x 3.1486″) make it compatible with imperial systems.

Structural Advantages of 344-333A Bearing

344-333A Bearing’s single-row construction optimises space while handling combined loads efficiently.
The chrome steel components resist wear, ensuring durability in heavy-duty use.
With a static radial load of 18,700 lbf, it provides reliable support in stationary applications.
The cone and cup design allows for easy installation and maintenance.

What Makes 344-333A Bearing Suitable for High-Temperature Applications?

344-333A Bearing operates reliably in temperatures ranging from -30° to 110°C.
Its chrome steel construction maintains strength and performance under thermal stress.
The open seal type facilitates lubrication, preventing overheating during extended use.
With a dynamic thrust rating of 2,570 lbf, it balances load capacity and thermal resilience.

Enhanced for Longevity: 344-333A Bearing

344-333A Bearing’s robust design ensures extended service life, reducing replacement frequency.
The steel cage and chrome steel rollers minimise wear, even under high radial loads.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different applications.
Weighing just 1.1 lb, it combines durability with ease of handling.

Application

Industrial Uses of 344-333A Bearing
344-333A Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 344-333A Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a good match for American and British vehicle standards.

For industrial conveyor systems, 344-333A Bearing’s open design allows for easy lubrication, extending service life in high-use environments. The steel cage adds extra strength to withstand continuous operation.

Where Is 344-333A Bearing Used?
344-333A Bearing works well in mining equipment, where its robust design copes with heavy radial and thrust loads. The standard radial clearance offers flexibility for different operational needs.

You’ll also find 344-333A Bearing in railway applications, supporting axles and gearboxes with consistent performance. Its ABEC-1 rating ensures reliable precision for these critical systems.

Built for Heavy-Duty Use: 344-333A Bearing
344-333A Bearing is ideal for forklifts and material handling equipment, thanks to its ability to manage both radial and axial forces. The tapered rollers distribute loads evenly, reducing wear.

In forestry machinery, 344-333A Bearing stands up to harsh conditions like dust and vibration. The chrome steel rollers and rings provide long-lasting performance even in demanding environments.

Automotive vs Aerospace: Applications of 344-333A Bearing
In automotive settings, 344-333A Bearing is often used in truck transmissions, where its strength and precision are key. The inch measurements align with many commercial vehicle specifications.

For aerospace ground support equipment, 344-333A Bearing offers reliable performance in load-handling systems. Its temperature range suits both indoor and outdoor operational needs.

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