TS (Single Row Tapered Roller Bearings) (Imperial) 398-394A

TS (Single Row Tapered Roller Bearings) (Imperial) 398-394A

The 398-394A is a single-row tapered roller bearing with a 2″ bore and 4.3307″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 22200 lbf radially and 3970 lbf thrust-wise, suitable for moderate-speed applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

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

Weighing 2.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most applications.

The standard radial clearance can be adjusted to C3, C4, or C5 if needed. Its ABEC-1 rating ensures decent precision for general industrial use.

The tapered roller design provides effective load distribution, reducing wear over time. Easy to install and maintain, it’s a practical choice for engineers and maintenance teams alike.

Suitable for both radial and thrust loads, it’s a versatile component in many mechanical systems. Its durable construction ensures long service life with proper care.

The bearing’s dimensions and tolerances are designed for precise fit in standard applications. Its chrome steel rollers and rings offer reliable performance under typical operating conditions.

With a dynamic radial rating of 5760 lbf at 90 million revolutions, it’s built for endurance. The effective center location helps maintain alignment in assembled units.

Ideal for replacement in existing systems using Timken equivalents. Its standard cup type simplifies installation in common housing designs.

The steel cage provides stability at various speeds while allowing proper lubrication. Temperature resilience makes it suitable for diverse working environments.

Clearance specifications ensure smooth operation without excessive play. Backing diameters and face clearances are optimized for standard mounting configurations.

A practical choice for machinery requiring combined load capacity. Its single-row design offers simplicity and reliability in demanding applications.

The cone and cup assembly allows for easy inspection and maintenance. Standard radial clearance suits most general-purpose applications.

Compatible with common lubrication methods for extended service life. The bearing’s weight and size balance strength with practical handling.

Suitable for systems where moderate precision and durability are required. Its construction withstands typical industrial stresses effectively.

The tapered rollers efficiently manage both radial and thrust forces. Open seal type facilitates maintenance and lubrication access.

Ideal for equipment where Timken 398-394A replacements are needed. Its performance characteristics suit continuous operation in various machines.

The bearing’s materials and design ensure consistent performance over time. Proper installation guarantees optimal load distribution and longevity.

A reliable component for industrial systems facing combined loads. Its specifications meet common requirements for replacement parts.

The chrome steel construction resists wear in normal operating conditions. Standard dimensions ensure compatibility with existing systems.

Effective for applications requiring ABEC-1 level precision. The bearing’s design promotes even load distribution across rollers.

Suitable for environments with temperature fluctuations within its range. Easy to integrate into machinery needing combined load capacity.

The single-row configuration simplifies installation and alignment. Its performance meets expectations for general industrial use.

A cost-effective solution for machinery maintenance and repairs. The bearing’s specifications align with common industry standards.

Durable enough for continuous operation in demanding conditions. Its interchangeable nature makes it a practical Timken alternative.

The open design allows for visual inspection and straightforward maintenance. Proper lubrication ensures smooth operation throughout its service life.

Ideal for systems where radial and thrust loads are present simultaneously. The bearing’s construction withstands typical operational stresses.

A reliable choice for equipment requiring combined load capacity. Its materials and tolerances ensure consistent performance.

Suitable for replacement in existing systems designed for this bearing type. The standard clearance provides good performance for most applications.

The tapered roller design effectively manages various load types. Easy to install and maintain, it’s a practical component for many machines.

Its dimensions and specifications match common industrial requirements. The bearing performs reliably within its rated temperature range.

A solid option for machinery needing Timken 398-394A equivalents. The single-row design offers simplicity and effective load handling.

The chrome steel construction ensures durability in normal operating conditions. Standard clearance suits most general-purpose applications.

Effective for equipment requiring moderate precision and load capacity. Its performance characteristics meet typical industrial needs.

The bearing’s design facilitates proper load distribution across rollers. Open seal type allows for easy maintenance and lubrication.

Suitable for systems where combined radial and thrust loads occur. Its interchangeable nature makes it a versatile replacement option.

A practical component for various industrial machinery applications. The bearing’s specifications ensure reliable operation when properly maintained.

The tapered rollers efficiently handle different load types simultaneously. Its construction promotes longevity under normal working conditions.

Ideal for equipment requiring ABEC-1 level bearing performance. Standard dimensions ensure compatibility with existing systems.

The single-row configuration simplifies installation and service procedures. Its materials withstand typical operational stresses effectively.

A cost-efficient solution for machinery maintenance and repairs. The bearing meets common industry standards for this type.

Durable enough for continuous use in demanding environments. Its interchangeable status makes it a convenient Timken alternative.

The open design permits straightforward inspection and maintenance. Proper care ensures optimal performance throughout its lifespan.

Suitable for applications where radial and thrust loads combine. The bearing’s construction handles these stresses reliably.

A dependable choice for equipment needing combined load capacity. Its specifications deliver consistent performance in service.

Effective as a replacement in systems designed for this bearing type. The standard clearance provides good operation for most uses.

The tapered roller design capably manages various load directions. Easy to install and service, it’s a practical machine component.

Its size and tolerances match common industrial requirements. The bearing performs well within its specified temperature limits.

A reliable option for machinery requiring Timken 398-394A equivalents. The single-row arrangement offers simplicity and effective load management.

The chrome steel build ensures endurance in normal working conditions. Standard clearance is appropriate for general applications.

Suitable for equipment needing moderate precision and load handling. Its performance meets typical industrial demands.

The bearing’s structure enables proper force distribution across rollers. Open seal type facilitates maintenance and lubrication access.

Ideal for systems experiencing combined radial and thrust loads. Its interchangeable nature provides flexible replacement options.

A practical solution for various industrial machine needs. The bearing’s specs guarantee reliable function with proper care.

The tapered rollers competently address multiple load types at once. Its design supports durability under standard operating conditions.

Appropriate for machinery requiring ABEC-1 grade bearing performance. Conventional dimensions ensure system compatibility.

The single-row setup eases installation and maintenance processes. Its materials resist typical operational wear effectively.

An economical choice for equipment servicing and repairs. The bearing satisfies common industry standards for this category.

Robust enough for prolonged use in challenging environments. Its interchangeable status offers convenience as a Timken substitute.

The open configuration allows simple inspection and upkeep. Adequate lubrication maintains smooth performance over time.

Fit for applications combining radial and thrust loading. The bearing’s construction handles these demands reliably.

A trustworthy selection for machinery needing combined load capability. Its specifications ensure steady operation in service.

Functional as a replacement in systems made for this bearing model. The standard clearance delivers satisfactory performance generally.

The tapered roller design successfully accommodates various load directions. Simple to install and maintain, it’s a useful machine part.

Its measurements and tolerances align with typical industrial needs. The bearing operates effectively within its temperature range.

A dependable alternative for equipment requiring Timken 398-394A equivalents. The single-row style provides straightforward load management.

The chrome steel composition guarantees longevity in normal conditions. Standard clearance works well for most applications.

Appropriate for machinery needing moderate precision and load capacity. Its performance fulfills standard industrial requirements.

The bearing’s architecture enables correct force distribution among rollers. Open seal type permits easy maintenance and greasing.

Suitable for systems encountering combined radial and thrust loads. Its interchangeable quality supplies adaptable replacement possibilities.

A sensible solution for diverse industrial equipment needs. The bearing’s characteristics assure reliable performance with proper attention.

The tapered rollers capably manage multiple load types concurrently. Its construction encourages endurance under regular working circumstances.

Proper for machinery demanding ABEC-1 level bearing operation. Traditional dimensions guarantee system harmony.

The single-row arrangement simplifies fitting and servicing procedures. Its materials endure typical operational stresses well.

A budget-friendly option for machine maintenance and fixes. The bearing meets prevalent industry norms for this variety.

Sturdy enough for extended employment in tough settings. Its interchangeable nature provides convenience as a Timken stand-in.

The open layout enables effortless examination and care. Suitable lubrication preserves smooth functioning over time.

Applicable for uses merging radial and thrust loading. The bearing’s makeup deals with these requirements dependably.

A credible pick for equipment necessitating combined load handling. Its specs secure consistent operation during use.

Serviceable as a substitute in systems intended for this bearing version. The standard clearance affords adequate performance typically.

The tapered roller configuration competently serves various load orientations. Effortless to install and service, it’s a functional machinery element.

Its proportions and allowances correspond with common industrial demands. The bearing functions efficiently within its temperature boundaries.

A sound alternative for apparatus needing Timken 398-394A replacements. The single-row format delivers uncomplicated load administration.

The chrome steel fabrication ensures durability in ordinary conditions. Standard clearance suffices for most implementations.

Fitting for devices requiring medium precision and load capability. Its performance satisfies conventional industrial necessities.

The bearing’s framework allows appropriate force allocation across rollers. Open seal style enables convenient upkeep and oiling.

Ideal for setups experiencing combined radial and thrust loads. Its exchangeable attribute offers flexible substitution choices.

A judicious answer for assorted industrial apparatus requirements. The bearing’s traits ensure trustworthy operation with proper maintenance.

The tapered rollers adequately address multiple load kinds simultaneously. Its structure supports stamina under normal working situations.

Apposite for machinery requiring ABEC-1 caliber bearing functioning. Customary measurements ensure system congruity.

The single-row organization facilitates mounting and maintenance tasks. Its substances withstand typical operational pressures effectively.

An inexpensive selection for equipment servicing and restorations. The bearing conforms to widespread industry standards for this class.

Hardy enough for persistent utilization in arduous surroundings. Its interchangeable standing furnishes practicality as a Timken proxy.

The open arrangement permits straightforward scrutiny and attention. Proper greasing sustains seamless performance long-term.

Applicable for employments combining radial and thrust loading. The bearing’s constitution manages these burdens reliably.

A reputable choice for machines demanding combined load capacity. Its specifications maintain steady operation during service.

Functional as a stand-in for systems designed for this bearing model. The standard clearance provides satisfactory performance generally.

The tapered roller design adequately serves various load orientations. Simple to fit and maintain, it’s a practical machine component.

Its dimensions and tolerances match typical industrial requirements. The bearing works efficiently within its temperature limits.

A reliable substitute for equipment needing Timken 398-394A equivalents. The single-row layout offers straightforward load handling.

The chrome steel build guarantees endurance in normal conditions. Standard clearance is suitable for most applications.

Appropriate for machinery requiring moderate precision and load management. Its performance meets standard industrial expectations.

The bearing’s construction enables proper force distribution among rollers. Open seal type allows easy maintenance and lubrication.

Suitable for systems facing combined radial and thrust loads. Its interchangeable nature provides adaptable replacement options.

A sensible solution for various industrial equipment needs. The bearing’s features ensure reliable performance with proper care.

The tapered rollers competently handle multiple load types at once. Its design promotes durability under regular operating conditions.

Fit for machinery requiring ABEC-1 level bearing performance. Standard dimensions ensure system compatibility.

The single-row configuration simplifies installation and maintenance. Its materials withstand typical operational stresses well.

A cost-effective choice for equipment servicing and repairs. The bearing meets common industry standards for this type.

Durable enough for continuous use in demanding environments. Its interchangeable status makes it a convenient Timken alternative.

The open design allows easy inspection and maintenance. Proper lubrication ensures smooth operation throughout its lifespan.

Ideal for applications where radial and thrust loads combine. The bearing’s construction handles these stresses reliably.

A dependable option for equipment needing combined load capacity. Its specifications deliver consistent performance in service.

Effective as a replacement in systems designed for this bearing type. The standard clearance provides good operation for most uses.

The tapered roller design capably manages various load directions. Easy to install and service, it’s a practical machine component.

Its size and tolerances match common industrial requirements. The bearing performs well within its specified temperature range.

A reliable alternative for machinery requiring Timken 398-394A equivalents. The single-row arrangement offers simplicity and effective load management.

The chrome steel construction ensures endurance in normal working conditions. Standard clearance is appropriate for general applications.

Suitable for equipment needing moderate precision and load handling. Its performance meets typical industrial demands.

The bearing’s structure enables proper force distribution across rollers. Open seal type facilitates maintenance and lubrication access.

Ideal for systems experiencing combined radial and thrust loads. Its interchangeable nature provides flexible replacement options.

A practical solution for various industrial machine needs. The bearing’s specs guarantee reliable function with proper care.

The tapered rollers competently address multiple load types simultaneously. Its design supports durability under standard operating conditions.

Appropriate for machinery requiring ABEC-1 grade bearing performance. Conventional dimensions ensure system compatibility.

The single-row setup eases installation and maintenance processes. Its materials resist typical operational wear effectively.

An economical choice for equipment servicing and repairs. The bearing satisfies common industry standards for this category.

Robust enough for prolonged use in challenging environments. Its interchangeable status offers convenience as a Timken substitute.

The open configuration allows simple inspection and upkeep. Adequate lubrication maintains smooth performance over time.

Fit for applications combining radial and thrust loading. The bearing’s construction handles these demands reliably.

A trustworthy selection for machinery needing combined load capability. Its specifications ensure steady operation in service.

Functional as a replacement in systems made for this bearing model. The standard clearance delivers satisfactory performance generally.

The tapered roller design successfully accommodates various load directions. Simple to install and maintain, it’s a useful machine part.

Its measurements and tolerances align with typical industrial needs. The bearing operates effectively within its temperature range.

A dependable alternative for equipment requiring Timken 398-394A equivalents. The single-row style provides straightforward load management.

The chrome steel composition guarantees longevity in normal conditions. Standard clearance works well for most applications.

Appropriate for machinery needing moderate precision and load capacity. Its performance fulfills standard industrial requirements.

The bearing’s architecture enables correct force distribution among rollers. Open seal type permits easy maintenance and greasing.

Suitable for systems encountering combined radial and thrust loads. Its interchangeable quality supplies adaptable replacement possibilities.

A sensible solution for diverse industrial equipment needs. The bearing’s characteristics assure reliable performance with proper attention.

The tapered rollers capably manage multiple load types concurrently. Its construction encourages endurance under regular working circumstances.

Proper for machinery demanding ABEC-1 level bearing operation. Traditional dimensions guarantee system harmony.

The single-row arrangement simplifies fitting and servicing procedures. Its materials endure typical operational stresses well.

A budget-friendly option for machine maintenance and fixes. The bearing meets prevalent industry norms for this variety.

Sturdy enough for extended employment in tough settings. Its interchangeable nature provides convenience as a Timken stand-in.

The open layout enables effortless examination and care. Suitable lubrication preserves smooth functioning over time.

Applicable for uses merging radial and thrust loading. The bearing’s makeup deals with these requirements dependably.

A credible pick for equipment necessitating combined load handling. Its specs secure consistent operation during use.

Serviceable as a substitute in systems intended for this bearing version. The standard clearance affords adequate performance typically.

The tapered roller configuration competently serves various load orientations. Effortless to install and service, it’s a functional machinery element.

Its proportions and allowances correspond with common industrial demands. The bearing functions efficiently within its temperature boundaries.

A sound alternative for apparatus needing Timken 398-394A replacements. The single-row format delivers uncomplicated load administration.

The chrome steel fabrication ensures durability in ordinary conditions. Standard clearance suffices for most implementations.

Fitting for devices requiring medium precision and load capability. Its performance satisfies conventional industrial necessities.

The bearing’s framework allows appropriate force allocation across rollers. Open seal style enables convenient upkeep and oiling.

Ideal for setups experiencing combined radial and thrust loads. Its exchangeable attribute offers flexible substitution choices.

A judicious answer for assorted industrial apparatus requirements. The bearing’s traits ensure trustworthy operation with proper maintenance.

The tapered rollers adequately address multiple load kinds simultaneously. Its structure supports stamina under normal working situations.

Apposite for machinery requiring ABEC-1 caliber bearing functioning. Customary measurements ensure system congruity.

The single-row organization facilitates mounting and maintenance tasks. Its substances withstand typical operational pressures effectively.

An inexpensive selection for equipment servicing and restorations. The bearing conforms to widespread industry standards for this class.

Hardy enough for persistent utilization in arduous surroundings. Its interchangeable standing furnishes practicality as a Timken proxy.

The open arrangement permits straightforward scrutiny and attention. Proper greasing sustains seamless performance long-term.

Applicable for employments combining radial and thrust loading. The bearing’s constitution manages these burdens reliably.

A reputable choice for machines demanding combined load capacity. Its specifications maintain steady operation during service.

Functional as a stand-in for systems designed for this bearing model. The standard clearance provides satisfactory performance generally.

The tapered roller design adequately serves various load orientations. Simple to fit and maintain, it’s a practical machine component.

Its dimensions and tolerances match typical industrial requirements. The bearing works efficiently within its temperature limits.

A reliable substitute for equipment needing Timken 398-394A equivalents. The single-row layout offers straightforward load handling.

The chrome steel build guarantees endurance in normal conditions. Standard clearance is suitable for most applications.

Appropriate for machinery requiring moderate precision and load management. Its performance meets standard industrial expectations.

The bearing’s construction enables proper force distribution among rollers. Open seal type allows easy maintenance and lubrication.

Suitable for systems facing combined radial and thrust loads. Its interchangeable nature provides adaptable replacement options.

A sensible solution for various industrial equipment needs. The bearing’s features ensure reliable performance with proper care.

The tapered rollers competently handle multiple load types at once. Its design promotes durability under regular operating conditions.

Fit for machinery requiring ABEC-1 level bearing performance. Standard dimensions ensure system compatibility.

The single-row configuration simplifies installation and maintenance. Its materials withstand typical operational stresses well.

A cost-effective choice for equipment servicing and repairs. The bearing meets common industry standards for this type.

Durable enough for continuous use in demanding environments. Its interchangeable status makes it a convenient Timken alternative.

The open design allows easy inspection and maintenance. Proper lubrication ensures smooth operation throughout its lifespan.

Ideal for applications where radial and thrust loads combine. The bearing’s construction handles these stresses reliably.

A dependable option for equipment needing combined load capacity. Its specifications deliver consistent performance in service.

Effective as a replacement in systems designed for this bearing type. The standard clearance provides good operation for most uses.

The

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Product Parameters

  • Part Number 398-394A
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 4.3307" x 0.8661"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.3307"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.866"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.7411"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8661"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 2.4"
  • Cone Backface Backing Diameter 2.44"
  • Cup Frontface Backing Diameter 4.15"
  • Cup Backface Backing Diameter 3.98"
  • 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 398
  • Cup Part Number 394A
  • 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 2.3 lb

Features

How Is 398-394A Bearing Engineered for Reliability?

398-394A Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 22,200 lbf, making it suitable for heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

398-394A Bearing operates within a temperature range of -30° to 110°C, adapting to different environments.
The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.

This bearing requires lubrication, but its robust design minimises maintenance needs.
It is interchangeable with Timken models, providing flexibility for replacements.

Application

Industrial Uses of 398-394A Bearing
The 398-394A Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 398-394A Bearing Used?
You’ll often find 398-394A Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for North American vehicle models.

Built for Heavy-Duty Use: 398-394A Bearing
398-394A Bearing excels in industrial gearboxes, thanks to its high dynamic radial load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 398-394A Bearing
In automotive systems, 398-394A Bearing supports high-load components like axles, while its precision makes it suitable for aerospace landing gear. The steel cage adds extra strength for tough conditions.

Key Fields for 398-394A Bearing
398-394A Bearing is ideal for agricultural machinery, where its tapered rollers manage uneven loads. The standard radial clearance ensures smooth operation in varying temperatures.

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