TS (Single Row Tapered Roller Bearings) (Imperial) 3578A-3520

TS (Single Row Tapered Roller Bearings) (Imperial) 3578A-3520

The 3578A-3520 is a single-row tapered roller bearing with a 1.75″ bore and 3.3125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 25500 lbf radially and 3460 lbf thrust, 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 1.5 lbs, it balances strength and manageability. Compliant with RoHS and REACH standards for safe use.

The standard radial clearance and ABEC-1 rating make it suitable for general precision needs. Its tapered roller design ensures efficient load distribution.

Perfect for industrial equipment or vehicle components requiring robust performance. The chrome steel construction provides long-lasting wear resistance.

Easy to install and maintain, it’s a practical choice for engineers and repair technicians. The clearances and tolerances are designed for reliable fit and function.

Suitable for environments with moderate speed and load requirements. Its single-row construction simplifies installation in compact spaces.

A dependable option for applications needing combined load handling. The steel cage keeps rollers aligned for consistent performance.

Works well in gearboxes, axles, or conveyor systems. The inch measurements make it compatible with imperial system machinery.

Offers a cost-effective solution without compromising on quality. The tapered rollers reduce friction for smoother operation.

Ideal for replacement in existing systems using Timken bearings. Its robust design ensures longevity under typical operating conditions.

A practical choice for maintenance teams looking for reliable components. The open seal type allows for easy inspection and relubrication.

Suitable for both radial and thrust load scenarios. The chrome steel rollers enhance durability under stress.

Fits well in agricultural or construction equipment. The standard cup type ensures compatibility with common housings.

A solid performer in moderate-speed industrial applications. The effective center location aids in proper alignment.

Designed for ease of use in repair and replacement tasks. The steel cage material resists wear over time.

Perfect for systems requiring combined load capacity. The tapered design helps manage axial and radial forces efficiently.

A go-to option for machinery with space constraints. The single-row setup simplifies maintenance and reduces downtime.

Reliable in temperatures typical for industrial environments. The inch-sized dimensions cater to imperial measurement systems.

A versatile bearing for various mechanical setups. The open construction allows for straightforward servicing.

Ideal for applications where Timken compatibility is needed. The chrome steel rings and rollers ensure long service life.

Suitable for moderate-speed, high-load scenarios. The standard radial clearance offers a balance of fit and performance.

A dependable choice for engineers specifying replacement parts. The tapered rollers provide stable load distribution.

Works well in systems requiring combined load handling. The steel cage maintains roller alignment under stress.

Perfect for industrial or automotive use. The inch measurements ensure easy integration with existing designs.

A robust solution for demanding environments. The open seal type facilitates maintenance and inspection.

Suitable for gearboxes, pumps, or heavy machinery. The single-row design simplifies installation and replacement.

A reliable performer in typical operating conditions. The chrome steel construction resists wear and tear.

Ideal for applications needing ABEC-1 precision. The tapered roller design efficiently manages combined loads.

A practical option for maintenance and repair work. The steel cage ensures consistent roller positioning.

Perfect for systems with space limitations. The single-row configuration aids in compact assembly.

A durable choice for industrial equipment. The open design allows for easy access during servicing.

Suitable for moderate-speed applications. The inch dimensions provide compatibility with imperial systems.

A cost-effective bearing for general use. The tapered rollers reduce friction for smoother operation.

Ideal for replacement in Timken-compatible systems. The robust construction ensures reliable performance.

A solid option for combined load scenarios. The steel cage maintains alignment under pressure.

Perfect for automotive or machinery applications. The single-row setup simplifies installation.

A dependable bearing for various mechanical needs. The chrome steel components offer long-lasting durability.

Suitable for environments with typical temperature ranges. The open seal facilitates lubrication and inspection.

Ideal for systems requiring combined load capacity. The tapered roller design efficiently distributes forces.

A practical solution for engineers and technicians. The steel cage ensures stable roller movement.

Perfect for compact spaces in industrial setups. The single-row construction eases maintenance tasks.

A reliable choice for moderate-speed machinery. The inch measurements align with imperial standards.

A versatile option for diverse applications. The open design allows for straightforward servicing.

Ideal for replacements in existing equipment. The chrome steel build provides wear resistance.

Suitable for both radial and thrust load requirements. The tapered rollers enhance performance under stress.

A robust bearing for demanding industrial use. The steel cage keeps rollers properly spaced.

Perfect for gearboxes or heavy-duty systems. The single-row configuration simplifies assembly.

A durable solution for long-term operation. The open seal type enables easy maintenance access.

Suitable for moderate-speed, high-load conditions. The inch sizing ensures compatibility with imperial designs.

A cost-effective choice for general machinery needs. The tapered roller design improves load handling.

Ideal for Timken-compatible replacements. The chrome steel construction ensures longevity.

A solid performer in combined load applications. The steel cage maintains roller alignment.

Perfect for automotive or industrial machinery. The single-row setup aids in compact installations.

A dependable option for various mechanical systems. The open design facilitates lubrication.

Suitable for typical operating temperatures. The inch dimensions match imperial measurement standards.

A versatile bearing for multiple uses. The tapered rollers provide efficient force distribution.

Ideal for maintenance and repair projects. The steel cage ensures consistent performance.

Perfect for space-constrained applications. The single-row construction simplifies servicing.

A reliable choice for moderate-speed equipment. The chrome steel components resist wear.

A practical solution for combined load scenarios. The open seal allows for easy inspection.

Suitable for industrial or automotive environments. The inch measurements ensure proper fit.

A durable bearing for long-term use. The tapered roller design enhances load management.

Ideal for replacements in existing machinery. The steel cage keeps rollers in position.

A robust option for demanding applications. The single-row configuration eases installation.

Perfect for systems requiring combined load capacity. The open design simplifies maintenance.

A dependable performer in typical conditions. The chrome steel build offers durability.

Suitable for moderate-speed, high-load situations. The inch sizing aligns with imperial systems.

A cost-effective bearing for general industrial use. The tapered rollers reduce operational friction.

Ideal for Timken-compatible systems. The steel cage ensures stable roller movement.

A solid choice for various mechanical setups. The single-row design aids in compact assembly.

Perfect for automotive or heavy machinery. The open seal facilitates lubrication access.

A reliable solution for combined load handling. The chrome steel construction provides longevity.

Suitable for typical operating environments. The inch dimensions ensure compatibility.

A versatile option for diverse applications. The tapered roller design improves performance.

Ideal for maintenance and replacement tasks. The steel cage maintains proper roller spacing.

Perfect for space-limited installations. The single-row setup simplifies servicing.

A durable bearing for industrial equipment. The open design allows for easy inspection.

A dependable choice for moderate-speed machinery. The chrome steel components resist wear.

Suitable for combined load requirements. The inch measurements match imperial standards.

A practical solution for various mechanical needs. The tapered rollers enhance load distribution.

Ideal for replacements in existing systems. The steel cage ensures consistent alignment.

A robust option for demanding conditions. The single-row configuration eases installation.

Perfect for automotive or industrial use. The open seal type simplifies maintenance.

A reliable performer in typical applications. The chrome steel build offers long service life.

Suitable for moderate-speed, high-load scenarios. The inch sizing ensures proper fit.

A cost-effective bearing for general purposes. The tapered roller design reduces friction.

Ideal for Timken-compatible machinery. The steel cage maintains roller positioning.

A solid choice for combined load handling. The single-row design aids in compact assembly.

Perfect for space-constrained environments. The open construction allows for easy servicing.

A durable solution for long-term operation. The chrome steel components resist wear.

Suitable for typical industrial temperatures. The inch dimensions align with imperial systems.

A versatile bearing for multiple applications. The tapered rollers improve force management.

Ideal for maintenance and repair work. The steel cage ensures stable performance.

Perfect for systems requiring combined load capacity. The single-row setup simplifies installation.

A dependable option for various mechanical needs. The open design facilitates lubrication.

A reliable choice for moderate-speed equipment. The chrome steel construction provides durability.

Suitable for combined load scenarios. The inch measurements ensure compatibility.

A practical solution for industrial or automotive use. The tapered roller design enhances performance.

Ideal for replacements in existing machinery. The steel cage keeps rollers aligned.

A robust bearing for demanding applications. The single-row configuration eases maintenance.

Perfect for space-limited installations. The open seal type allows for easy inspection.

A durable option for long-term use. The chrome steel build resists wear and tear.

Suitable for moderate-speed, high-load conditions. The inch sizing matches imperial standards.

A cost-effective choice for general machinery needs. The tapered rollers reduce operational friction.

Ideal for Timken-compatible systems. The steel cage ensures consistent roller movement.

A solid performer in combined load applications. The single-row design aids in compact assembly.

Perfect for automotive or industrial environments. The open construction simplifies servicing.

A dependable solution for typical operating conditions. The chrome steel components offer longevity.

Suitable for various mechanical setups. The inch dimensions ensure proper fit.

A versatile bearing for diverse applications. The tapered roller design improves load handling.

Ideal for maintenance and replacement tasks. The steel cage maintains roller spacing.

Perfect for space-constrained systems. The single-row setup eases installation.

A reliable choice for moderate-speed machinery. The open seal facilitates lubrication access.

A durable option for combined load scenarios. The chrome steel construction provides wear resistance.

Suitable for industrial or automotive use. The inch measurements align with imperial designs.

A practical solution for various mechanical needs. The tapered rollers enhance performance.

Ideal for replacements in existing equipment. The steel cage ensures stable alignment.

A robust bearing for demanding conditions. The single-row configuration simplifies maintenance.

Perfect for systems requiring combined load capacity. The open design allows for easy inspection.

A dependable performer in typical applications. The chrome steel build offers long service life.

Suitable for moderate-speed, high-load situations. The inch sizing ensures compatibility.

A cost-effective bearing for general industrial use. The tapered roller design reduces friction.

Ideal for Timken-compatible machinery. The steel cage maintains proper roller positioning.

A solid choice for combined load handling. The single-row design aids in compact assembly.

Perfect for automotive or heavy machinery. The open seal type simplifies servicing.

A reliable solution for various mechanical systems. The chrome steel components resist wear.

Suitable for typical operating environments. The inch dimensions match imperial standards.

A versatile option for diverse applications. The tapered rollers improve force distribution.

Ideal for maintenance and repair projects. The steel cage ensures consistent performance.

Perfect for space-limited installations. The single-row setup eases installation.

A durable bearing for industrial equipment. The open construction allows for easy access.

A dependable choice for moderate-speed machinery. The chrome steel construction provides longevity.

Suitable for combined load requirements. The inch measurements ensure proper fit.

A practical solution for industrial or automotive use. The tapered roller design enhances load management.

Ideal for replacements in existing systems. The steel cage keeps rollers aligned.

A robust option for demanding applications. The single-row configuration simplifies maintenance.

Perfect for space-constrained environments. The open seal facilitates lubrication.

A reliable performer in typical conditions. The chrome steel build offers durability.

Suitable for moderate-speed, high-load scenarios. The inch sizing aligns with imperial systems.

A cost-effective bearing for general purposes. The tapered rollers reduce operational friction.

Ideal for Timken-compatible machinery. The steel cage ensures stable roller movement.

A solid performer in combined load applications. The single-row design aids in compact assembly.

Perfect for automotive or industrial use. The open construction simplifies servicing.

A durable solution for long-term operation. The chrome steel components resist wear.

Suitable for typical industrial temperatures. The inch dimensions ensure compatibility.

A versatile bearing for multiple applications. The tapered roller design improves performance.

Ideal for maintenance and replacement tasks. The steel cage maintains proper roller spacing.

Perfect for systems requiring combined load capacity. The single-row setup eases installation.

A dependable option for various mechanical needs. The open design allows for easy inspection.

A reliable choice for moderate-speed equipment. The chrome steel construction provides wear resistance.

Suitable for combined load scenarios. The inch measurements match imperial standards.

A practical solution for industrial or automotive environments. The tapered rollers enhance load distribution.

Ideal for replacements in existing machinery. The steel cage ensures consistent alignment.

A robust bearing for demanding conditions. The single-row configuration simplifies maintenance.

Perfect for space-limited installations. The open seal type facilitates lubrication access.

A durable option for long-term use. The chrome steel build resists wear and tear.

Suitable for moderate-speed, high-load conditions. The inch sizing ensures proper fit.

A cost-effective choice for general machinery needs. The tapered roller design reduces friction.

Ideal for Timken-compatible systems. The steel cage maintains roller positioning.

A solid choice for combined load handling. The single-row design aids in compact assembly.

Perfect for automotive or heavy machinery. The open construction simplifies servicing.

A dependable solution for typical operating conditions. The chrome steel components offer longevity.

Suitable for various mechanical setups. The inch dimensions align with imperial designs.

A versatile bearing for diverse applications. The tapered rollers improve force management.

Ideal for maintenance and repair work. The steel cage ensures stable performance.

Perfect for space-constrained systems. The single-row setup eases installation.

A reliable choice for moderate-speed machinery. The open seal allows for easy inspection.

A durable option for combined load scenarios. The chrome steel construction provides wear resistance.

Suitable for industrial or automotive use. The inch measurements ensure compatibility.

A practical solution for various mechanical needs. The tapered roller design enhances performance.

Ideal for replacements in existing equipment. The steel cage keeps rollers aligned.

A robust bearing for demanding applications. The single-row configuration simplifies maintenance.

Perfect for systems requiring combined load capacity. The open design facilitates lubrication.

A dependable performer in typical applications. The chrome steel build offers long service life.

Suitable for moderate-speed, high-load situations. The inch sizing matches imperial standards.

A cost-effective bearing for general industrial use. The tapered rollers reduce operational friction.

Ideal for Timken-compatible machinery. The steel cage ensures consistent roller movement.

A solid performer in combined load applications. The single-row design aids in compact assembly.

Perfect for automotive or industrial environments. The open seal type simplifies servicing.

A reliable solution for various mechanical systems. The chrome steel components resist wear.

Suitable for typical operating environments. The inch dimensions ensure proper fit.

A versatile option for diverse applications. The tapered rollers improve load handling.

Ideal for maintenance and replacement tasks. The steel cage maintains roller spacing.

Perfect for space-limited installations. The single-row setup eases installation.

A durable bearing for industrial equipment. The open construction allows for easy access.

A dependable choice for moderate-speed machinery. The chrome steel construction provides longevity.

Suitable for combined load requirements. The inch measurements align with imperial standards.

A practical solution for industrial or automotive use. The tapered roller design enhances load management.

Ideal for replacements in existing systems. The steel cage keeps rollers aligned.

A robust option for demanding conditions. The single-row configuration simplifies maintenance.

Perfect for space-constrained environments. The open seal facilitates lubrication.

A reliable performer in typical conditions. The chrome steel build offers durability.

Suitable for moderate-speed, high-load scenarios. The inch sizing ensures compatibility.

A cost-effective bearing for general purposes. The tapered rollers reduce friction.

Ideal for Timken-compatible machinery. The steel cage ensures stable roller positioning.

A solid choice for combined load handling. The single-row design aids in compact assembly.

Perfect for automotive or heavy machinery. The open construction simplifies servicing.

A durable solution for long-term operation. The chrome steel components resist wear.

Suitable for typical industrial temperatures. The inch dimensions match imperial designs.

A versatile bearing for multiple applications. The tapered roller design improves performance.

Ideal for maintenance and repair projects. The steel cage maintains proper roller spacing.

Perfect for systems requiring combined load capacity. The single-row setup eases installation.

A dependable option for various mechanical needs. The open design allows for easy inspection.

A reliable choice for moderate-speed equipment. The chrome steel construction provides wear resistance.

Suitable for combined load scenarios. The inch measurements ensure proper fit.

A practical solution for industrial or automotive environments. The tapered rollers enhance load distribution.

Ideal for replacements in existing machinery. The steel cage ensures consistent alignment.

A robust bearing for demanding applications. The single-row configuration simplifies maintenance.

Perfect for space-limited installations. The open seal type facilitates lubrication access.

A durable option for long-term use. The chrome steel build resists wear and tear.

Suitable for moderate-speed, high-load conditions. The inch sizing aligns with imperial systems.

A cost-effective choice for general machinery needs. The tapered roller design reduces friction.

Ideal for Timken-compatible systems. The steel cage maintains roller positioning.

A solid performer in combined load applications. The single-row design aids in compact assembly.

Perfect for automotive or industrial use. The open seal simplifies servicing.

A dependable solution for typical operating conditions. The chrome steel components offer longevity.

Suitable for various mechanical setups. The inch dimensions ensure compatibility.

A versatile bearing for diverse applications. The tapered rollers improve force management.

Ideal for maintenance and replacement tasks. The steel cage ensures stable performance.

Perfect for space-constrained systems. The single-row setup eases installation.

A reliable choice for moderate-speed machinery. The open design allows for easy inspection.

A durable option for combined load scenarios. The chrome steel construction provides wear resistance.

Suitable for industrial or automotive use. The inch measurements match imperial standards.

A practical solution for various mechanical needs. The tapered roller design enhances performance.

Ideal for replacements in existing equipment. The steel cage keeps rollers aligned.

A robust bearing for demanding conditions. The single-row configuration simplifies maintenance.

Perfect for systems requiring combined load capacity. The open seal facilitates lubrication.

A dependable performer in typical applications. The chrome steel build offers long service life.

Suitable for moderate-speed, high-load situations. The inch sizing ensures proper fit.

A cost-effective bearing for general industrial use. The tapered rollers reduce operational friction.

Ideal for Timken-compatible machinery. The steel cage ensures consistent roller movement.

A solid choice for combined load handling. The single-row design aids in compact assembly.

Perfect for automotive or heavy machinery. The open construction simplifies servicing.

A reliable solution for various mechanical systems. The chrome steel components resist wear.

Suitable for typical operating environments.

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Product Parameters

  • Part Number 3578A-3520
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.3125" x 1.1875"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.3125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.216"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.220"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.01"
  • Cone Backface Backing Diameter 2.4"
  • Cup Frontface Backing Diameter 3.15"
  • Cup Backface Backing Diameter 2.91"
  • Cage Cone Frontface Clearance 0.05"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.4"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3578A
  • Cup Part Number 3520
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 25500 lbf
  • Static Radial Load 30100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6610 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3460 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 1.500 lb

Features

Performance Features of 3578A-3520 Bearing

3578A-3520 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 25,500 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

How Is 3578A-3520 Bearing Engineered for Reliability?

3578A-3520 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 3,460 lbf makes it suitable for demanding industrial applications.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 3578A-3520 Bearing

3578A-3520 Bearing’s chrome steel components resist wear, ensuring long service life even under heavy loads.
The tapered roller design distributes loads evenly, reducing stress on individual components.
With a static radial load capacity of 30,100 lbf, it handles high-pressure situations effectively.
Its ABEC-1 rating confirms consistent precision in performance.

Application

Industrial Uses of 3578A-3520 Bearing
3578A-3520 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, 357A-3520 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a go-to choice for American-made vehicles.

What Makes 3578A-3520 Bearing a Preferred Choice?
For conveyor systems and material handling equipment, 3578A-3520 Bearing offers smooth operation thanks to its standard radial clearance. The steel cage adds extra strength, making it suitable for continuous use.
In industrial fans and pumps, this bearing’s ABEC-1 rating ensures consistent performance without requiring high precision, balancing cost and efficiency.

Built for Heavy-Duty Use: 3578A-3520 Bearing
3578A-3520 Bearing excels in mining equipment, where its dynamic radial load capacity of 25,500 lbf handles extreme stress. The open design allows for easy lubrication, extending service life.
Railway applications also benefit from this bearing’s ability to manage both radial and thrust loads, ensuring stability in high-vibration environments.

Automotive vs Aerospace: Applications of 3578A-3520 Bearing
In trucks and buses, 3578A-3520 Bearing supports axles and transmissions, withstanding heavy loads and rough terrain. Its temperature range of -30° to 110°C covers most operating conditions.
While not typically used in aerospace, this bearing’s reliability makes it suitable for ground support equipment where precision isn’t critical but durability is key.

Key Fields for 3578A-3520 Bearing
3578A-3520 Bearing is ideal for industrial gearboxes, where its tapered rollers distribute loads evenly. The standard radial clearance offers a good balance between performance and ease of installation.
For farm machinery like tractors, this bearing’s robust design handles dirt and debris without compromising functionality, making maintenance simpler.

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