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TS (Single Row Tapered Roller Bearings) (Imperial) 3578AA-3525

TS (Single Row Tapered Roller Bearings) (Imperial) 3578AA-3525

The 3578AA-3525 is a single-row tapered roller bearing with a 1.75″ bore and 3.4375″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 25500 lbf radially and 3460 lbf in thrust, suitable for various industrial uses.

Its open design allows for straightforward lubrication, while the steel cage ensures durability under heavy loads. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. It’s ideal for applications like automotive axles or heavy machinery where combined loads are common.

Weighing 1.7 lb, it offers a balance of strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 3578AA-3525
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.4375" x 1.1875"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.4375"
  • 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 0.02"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.01"
  • Cone Backface Backing Diameter 2.01"
  • Cup Frontface Backing Diameter 3.23"
  • Cup Backface Backing Diameter 2.95"
  • 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 3578AA
  • Cup Part Number 3525
  • 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 1.7 lb

Features

How Does 3578AA-3525 Bearing Handle Combined Loads?

3578AA-3525 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 25,500 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Makes 3578AA-3525 Bearing Suitable for Heavy-Duty Applications?

3578AA-3525 Bearing features a single-row tapered roller design, ideal for handling combined loads.
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 applications requiring high load capacity.
The open seal type allows for easy lubrication, maintaining performance over time.

Engineered for Precision: 3578AA-3525 Bearing

3578AA-3525 Bearing is precision-crafted with a tapered roller design for accurate load distribution.
The chrome steel rollers and rings enhance wear resistance, ensuring long-term reliability.
With an ABEC-1 rating, it meets standard precision requirements for various industrial uses.
The effective center location of -0.4″ helps in maintaining alignment during operation.

Structural Advantages of 3578AA-3525 Bearing

3578AA-3525 Bearing’s single-row construction simplifies installation and maintenance.
The steel cage ensures proper roller spacing, reducing wear and improving efficiency.
Its static radial load capacity of 30,100 lbf makes it suitable for heavy-duty machinery.
The standard cup type design allows for easy replacement and interchangeability.

Application

Industrial Uses of 3578AA-3525 Bearing
3578AA-3525 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 demanding environments.

Where Is 3578AA-3525 Bearing Used?
You’ll often find 3578AA-3525 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 vehicles.

Built for Heavy-Duty Use: 3578AA-3525 Bearing
3578AA-3525 Bearing excels in industrial fans and conveyor systems, thanks to its robust steel cage and high load capacity. Its open design allows for easy lubrication, extending service life in continuous operation.

Automotive vs Aerospace: Applications of 3578AA-3525 Bearing
In automotive settings, 3578AA-3525 Bearing supports drivetrain components, while its precision makes it suitable for aerospace landing gear systems. The ABEC-1 rating ensures reliable performance across both fields.

Perfect Fit for Automation: 3578AA-3525 Bearing
3578AA-3525 Bearing works well in automated assembly lines, where its tapered rollers provide stability for robotic arms. The standard radial clearance offers a balance of precision and durability for repetitive tasks.

Q&A

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