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TS (Single Row Tapered Roller Bearings) (Imperial) 25578-25528

TS (Single Row Tapered Roller Bearings) (Imperial) 25578-25528

The 25578-25528 is a single-row tapered roller bearing with a 1.6875″ bore and 3.625″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 20300 lbf radially and 3020 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in automotive or industrial machinery where combined loads are common.

Weighing 1.7 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 25578-25528
  • Brand TFL
  • Interchangeable Timken
  • Size 1.6875" x 3.625" x 0.9376"
  • Bore Dia 1.6875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.625"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9376"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.95"
  • Cone Backface Backing Diameter 2.09"
  • Cup Frontface Backing Diameter 3.18"
  • Cup Backface Backing Diameter 3.07"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.25"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 25578
  • Cup Part Number 25528
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 25500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 20300 lbf
  • Static Radial Load 24900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5270 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3020 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 25578-25528 Bearing

25578-25528 Bearing is crafted from chrome steel, offering robust resistance to combined loads with a dynamic radial load capacity of 20,300 lbf.
Its tapered roller design ensures efficient load distribution, enhancing durability in demanding 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 environments.

How Is 25578-25528 Bearing Engineered for Reliability?

25578-25528 Bearing features precise cone and cup dimensions, ensuring smooth operation under combined loads.
The chrome steel rollers and rings provide excellent wear resistance, suitable for heavy-duty use.
Its standard radial clearance options allow for flexibility in different applications.
Designed to meet ABEC-1 standards, it balances performance and cost-effectiveness.

Built for Durability: 25578-25528 Bearing

25578-25528 Bearing’s single-row tapered roller construction handles both radial and thrust loads efficiently.
The steel cage and chrome steel components ensure long service life even in tough conditions.
With a static radial load capacity of 24,900 lbf, it’s built to withstand high-stress environments.
Its open design simplifies lubrication, maintaining optimal performance over time.

Steel vs Ceramic Bearings: Strengths of 25578-25528 Bearing

25578-25528 Bearing uses chrome steel for both rollers and rings, offering a cost-effective yet durable solution.
The material choice ensures high resistance to wear and fatigue, ideal for industrial applications.
Its dynamic thrust rating of 3,020 lbf makes it versatile for various load conditions.
The bearing’s standard lubrication requirement ensures consistent performance with minimal maintenance.

Application

Industrial Uses of 25578-25528 Bearing
25578-25528 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The inch sizing makes it a straightforward fit for North American industrial applications.

In automotive settings, 25578-25528 Bearing works well in wheel hubs and differential systems, thanks to its robust chrome steel construction. Its standard radial clearance offers reliable performance across varying temperatures and load conditions.

For conveyor systems, 25578-25528 Bearing’s single-row design simplifies installation while maintaining durability. The steel cage ensures smooth operation even in dusty or high-vibration environments.

What Makes 25578-25528 Bearing a Preferred Choice?
25578-25528 Bearing stands out in mining equipment due to its ability to manage both radial and thrust loads seamlessly. The ABEC-1 rating provides a balance of precision and cost-efficiency for demanding applications.

Its compatibility with Timken equivalents makes sourcing replacements hassle-free. The open seal type allows for easy lubrication, extending service life in continuous-use scenarios.

Built for Heavy-Duty Use: 25578-25528 Bearing
25578-25528 Bearing excels in forestry machinery, where its tapered rollers distribute loads evenly under rough conditions. The chrome steel rollers resist wear, reducing maintenance downtime.

In pump systems, 25578-25528 Bearing’s effective center location ensures stable alignment. The standard radial clearance adapts well to thermal expansion during prolonged operation.

Light-Duty vs Heavy-Duty: Best Uses for 25578-25528 Bearing
For light-duty applications like small gearboxes, 25578-25528 Bearing offers sufficient load capacity without over-engineering. Its steel cage provides adequate protection in moderate-speed environments.

In heavy-duty scenarios like crushers, 25578-25528 Bearing’s dynamic radial load rating of 20,300 lbf ensures reliable performance. The inch dimensions simplify integration with existing machinery frames.

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