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TS (Single Row Tapered Roller Bearings) (Imperial) 399AS-393A

TS (Single Row Tapered Roller Bearings) (Imperial) 399AS-393A

The 399AS-393A is a single-row tapered roller bearing with a 2.6875″ bore and 4.4375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 22200 lbf radially and 3970 lbf in thrust, making it a sturdy choice for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance 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 practical replacement option. Ideal for use in gearboxes, wheel hubs, or industrial machinery where combined loads are common.

Weighing 1.7 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The standard radial clearance and ABEC-1 rating make it suitable for general precision needs. Its tapered roller design ensures even load distribution, enhancing longevity in high-stress environments.

Perfect for maintenance or upgrades in automotive and heavy equipment sectors, where durability and performance are key. The clearances and backing diameters are designed for easy installation and alignment.

With a dynamic radial rating of 5760 lbf at 90 million revolutions, it offers reliable long-term service. The effective center location aids in precise positioning during assembly.

Its robust construction and material quality make it a dependable choice for both radial and thrust load scenarios. The bearing’s dimensions and tolerances ensure compatibility with standard housing designs.

Suitable for applications requiring frequent lubrication, its open seal type facilitates maintenance. The chrome steel rollers provide excellent wear resistance, even under continuous operation.

A versatile option for engineers and technicians looking for a balance of performance and ease of use. Its design simplifies both installation and routine checks, reducing downtime.

The bearing’s weight and size make it manageable for manual handling during repairs or replacements. Its compliance with international standards guarantees quality and safety in various industrial settings.

Ideal for scenarios where combined radial and thrust loads are present, such as conveyor systems or agricultural machinery. The tapered rollers ensure smooth rotation and reduced friction.

The bearing’s construction allows for effective heat dissipation, preventing overheating during prolonged use. Its compatibility with standard lubrication methods ensures easy upkeep.

A practical solution for applications requiring moderate precision and high load capacity. The steel cage adds durability, making it suitable for harsh operating conditions.

With its straightforward design and reliable materials, this bearing is a solid choice for both new installations and replacements. Its performance characteristics meet the needs of a wide range of industrial applications.

The bearing’s dimensions and load ratings make it a go-to option for medium-duty machinery. Its open seal type allows for visual inspections and quick maintenance checks.

Perfect for use in environments where temperature fluctuations are common, thanks to its wide operating range. The chrome steel construction resists corrosion and wear over time.

A dependable bearing for engineers seeking a balance between cost and performance. Its tapered roller design ensures efficient load handling in various orientations.

The bearing’s weight and size are optimized for ease of handling without compromising strength. Its compliance with environmental standards makes it a responsible choice for modern industries.

Suitable for applications where reliability and longevity are critical, such as in construction equipment. The open seal design allows for easy access during servicing.

With its robust materials and precise engineering, this bearing delivers consistent performance under varying loads. Its compatibility with standard parts simplifies sourcing and replacement.

Ideal for use in systems where both radial and axial forces are present, ensuring smooth operation. The bearing’s design minimizes friction, enhancing efficiency and lifespan.

A practical and reliable component for maintenance teams looking to reduce equipment downtime. Its construction and materials ensure it can withstand the rigors of industrial use.

The bearing’s performance metrics make it suitable for a variety of mechanical systems. Its ease of installation and maintenance adds to its appeal for busy workshops.

With its balanced design and durable materials, this bearing is a smart choice for demanding applications. Its compliance with safety standards ensures peace of mind for users.

Perfect for integrating into existing systems without the need for modifications. The bearing’s specifications meet the needs of both light and medium-duty operations.

A versatile and robust solution for engineers and technicians across multiple industries. Its design and performance characteristics make it a reliable component in any machinery setup.

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Product Parameters

  • Part Number 399AS-393A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.6875" x 4.4375" x 0.8751"
  • Bore Dia 2.6875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.4375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.866"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8751"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.2"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.54"
  • Cone Backface Backing Diameter 3.27"
  • Cup Frontface Backing Diameter 4.15"
  • Cup Backface Backing Diameter 3.94"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.05"
  • Effective Center Location -0.03"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 399AS
  • Cup Part Number 393A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 395
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 22200 lbf
  • Static Radial Load 28100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5760 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3970 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 1.7 lb

Features

Performance Features of 399AS-393A Bearing

399AS-393A Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 22,200 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 conditions.

How Is 399AS-393A Bearing Engineered for Reliability?

399AS-393A Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction resists wear, ensuring a longer operational life.
Its standard radial clearance allows for smooth operation in diverse industrial settings.
The bearing’s ABEC-1 rating guarantees consistent precision and performance.

Built for Durability: 399AS-393A Bearing

399AS-393A Bearing’s single-row construction provides stability and strength under high loads.
The open seal design facilitates easy lubrication, maintaining optimal performance.
With a static radial load capacity of 28,100 lbf, it excels in demanding environments.
Its inch measurements ensure compatibility with imperial system machinery.

Steel vs Ceramic Bearings: Strengths of 399AS-393A Bearing

399AS-393A Bearing uses chrome steel for both rollers and rings, balancing cost and durability.
The steel cage design ensures reliable performance without the need for ceramic materials.
Its dynamic thrust rating of 3,970 lbf (Ca90) makes it versatile for various applications.
The bearing’s standard radial clearance options provide flexibility for different operational needs.

Application

Common Applications of 399AS-393A Bearing
In industrial settings, 399AS-393A Bearing is often used in heavy machinery like conveyor systems and gearboxes, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

Where Is 399AS-393A Bearing Used?
You’ll find 399AS-393A Bearing in automotive applications, particularly in wheel hubs and differentials, where its robust design supports both radial and thrust loads. Its inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 399AS-393A Bearing
This bearing excels in construction equipment, such as bulldozers and cranes, thanks to its high dynamic radial load capacity. The steel cage adds extra strength, making it reliable for long-term use.

Automotive vs Industrial: Applications of 399AS-393A Bearing
In automotive systems, 399AS-393A Bearing ensures smooth operation in transmissions, while in industrial gearboxes, it handles high loads with ease. Its versatility makes it a go-to choice for various applications.

Perfect Fit for Automation: 399AS-393A Bearing
For automated machinery, 399AS-393A Bearing provides precise movement in robotic arms and assembly lines. Its standard radial clearance allows for consistent performance under varying loads.

Q&A

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