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

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

The 3578A-3525 is a single-row tapered roller bearing with a 1.75″ bore and 3.4375″ 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 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 reliable replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 1.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 3578A-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 0.220"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.01"
  • Cone Backface Backing Diameter 2.4"
  • 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 3578A
  • 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

Performance Features of 3578A-3525 Bearing

3578A-3525 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 single-row tapered roller design provides effective load distribution, reducing stress on components.
With a standard radial clearance, it balances precision and durability for various industrial uses.

3578A-3525 Bearing operates smoothly within a temperature range of -30° to 110°C.
The steel cage maintains roller alignment, enhancing stability and extending service life.

Installation is straightforward due to the open design and precise dimensional tolerances.
This makes 3578A-3525 Bearing a practical choice for maintenance and replacement tasks.

Application

Industrial Uses of 3578A-3525 Bearing
3578A-3525 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

What Makes 3578A-3525 Bearing a Preferred Choice?
In automotive applications, 3578A-3525 Bearing fits well in wheel hubs and differential systems, providing reliable performance under both radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 3578A-3525 Bearing
For industrial conveyors, 3578A-3525 Bearing offers smooth operation and long service life, thanks to its robust steel cage and precise tolerances. The open design allows for easy lubrication, reducing maintenance downtime.

Automotive vs Aerospace: Applications of 3578A-3525 Bearing
While 3578A-3525 Bearing is popular in truck axles and gearboxes, it’s also suitable for aerospace ground support equipment. Its ABEC-1 rating balances performance and cost for these varied uses.

Essential Roles of 3578A-3525 Bearing
In mining equipment, 3578A-3525 Bearing withstands high loads and harsh conditions, ensuring reliable operation. The standard radial clearance options provide flexibility for different installation requirements.

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