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TS (Single Row Tapered Roller Bearings) (Imperial) 3578A-3526

TS (Single Row Tapered Roller Bearings) (Imperial) 3578A-3526

The 3578A-3526 is a single-row tapered roller bearing with a 1.75″ bore and 3.4375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 25500 lbf radially and 3460 lbf in thrust, making it a versatile choice.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance. 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 heavy-duty applications like axles or gearboxes where combined loads are common.

Weighing 1.7 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 3578A-3526
  • 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 0.220"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.01"
  • Cone Backface Backing Diameter 2.4"
  • Cup Frontface Backing Diameter 3.23"
  • Cup Backface Backing Diameter 3.03"
  • 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 3526
  • 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

Engineered for Precision: 3578A-3526 Bearing

3578A-3526 Bearing features a single-row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 25,500 lbf.

The precision-engineered cage maintains proper roller alignment, reducing friction and wear.
With a standard radial clearance, it offers reliable performance in various industrial applications.

3578A-3526 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring smooth operation over extended periods.

Application

Industrial Uses of 3578A-3526 Bearing
3578A-3526 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is 3578A-3526 Bearing Used?
You’ll often find 3578A-3526 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for American-made vehicles and industrial machinery.

Built for Heavy-Duty Use: 3578A-3526 Bearing
3578A-3526 Bearing excels in conveyor systems and mining equipment, thanks to its high dynamic radial load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 3578A-3526 Bearing
In automotive settings, 3578A-3526 Bearing supports wheel assemblies and transmissions, while in aerospace, it’s used in auxiliary systems. Its ABEC-1 rating ensures reliable performance across different industries.

Perfect Fit for Automation: 3578A-3526 Bearing
3578A-3526 Bearing works well in automated production lines, where its precise tapered rollers reduce friction. The steel cage adds stability, making it suitable for high-speed operations.

Q&A

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