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

The 3578-3525 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 radial and 3460 lbf thrust, suitable for demanding 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 heavy machinery or automotive uses where combined loads are common.

Weighing 1.7 lb, it balances strength and portability. Compliant with RoHS and REACH standards for safe and eco-friendly use.

Get A Free Quote

Description

Features

Application

Q&A

Product Parameters

Part Number 3578-3525
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 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 2.01"
Cone Backface Backing Diameter 2.24"
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 3578
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 Is 3578-3525 Bearing Engineered for Reliability?

3578-3525 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity of 25,500 lbf makes it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 3578-3525 Bearing Suitable for High-Temperature Applications?

3578-3525 Bearing is built with chrome steel components, capable of withstanding temperatures up to 110°C.
Its robust design ensures stable performance even in demanding thermal environments.
The tapered roller construction efficiently manages both radial and thrust loads.
Regular lubrication further enhances its high-temperature resilience and longevity.

Designed for Durability: 3578-3525 Bearing

3578-3525 Bearing’s single-row tapered roller design provides excellent load distribution.
Its chrome steel rollers and rings resist wear, ensuring long service life.
The bearing’s standard radial clearance allows for smooth operation under varying conditions.
With a static radial load capacity of 30,100 lbf, it handles heavy loads with ease.

Application

Industrial Uses of 3578-3525 Bearing
The 3578-3525 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3578-3525 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyors, 3578-3525 Bearing’s open design allows easy lubrication, extending service life in high-load scenarios. The steel cage adds strength, making it suitable for continuous operation.

Where Is 3578-3525 Bearing Used?
You’ll often find 3578-3525 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles rough conditions. The tapered rollers distribute loads evenly, reducing wear.

In mining equipment, 3578-3525 Bearing’s high dynamic radial load capacity makes it ideal for crushers and screens. Its standard radial clearance ensures smooth operation under heavy stress.

Built for Heavy-Duty Use: 3578-3525 Bearing
The 3578-3525 Bearing excels in forestry equipment like log splitters, where its combined load capacity is essential. The chrome steel rollers resist deformation under intense pressure.

For material handling systems, 3578-3525 Bearing’s ABEC-1 rating provides sufficient precision without unnecessary cost. Its compatibility with Timken models simplifies replacements.

Automotive vs Aerospace: Applications of 3578-3525 Bearing
In automotive drivetrains, 3578-3525 Bearing supports high torque loads, while its temperature range suits engine bay conditions. The inch measurements align with standard US components.

For ground support equipment in aerospace, 3578-3525 Bearing’s reliability ensures smooth operation in loaders and tugs. Its steel cage withstands frequent use without compromising performance.