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TS (Single Row Tapered Roller Bearings) (Imperial) 25578-25524

TS (Single Row Tapered Roller Bearings) (Imperial) 25578-25524

The 25578-25524 is a single-row tapered roller bearing with a 1.6875″ bore and 3.265″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 20300 lbf radially and 3020 lbf in thrust, making it versatile for various applications.

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 machinery or automotive systems where combined loads are common.

Weighing 1.3 lb, it balances strength and manageability. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 25578-25524
  • Brand TFL
  • Interchangeable Timken
  • Size 1.6875" x 3.265" x 0.9376"
  • Bore Dia 1.6875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.265"
  • 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 0.090"
  • Cone Frontface Backing Diameter 1.95"
  • Cone Backface Backing Diameter 2.09"
  • Cup Frontface Backing Diameter 3.05"
  • Cup Backface Backing Diameter 2.87"
  • 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 25524
  • 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 1.3 lb

Features

What Makes 25578-25524 Bearing Suitable for Combined Loads?

25578-25524 Bearing is crafted with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 20,300 lbf, ensuring reliable performance in demanding applications.
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.

How Is 25578-25524 Bearing Engineered for Reliability?

25578-25524 Bearing features precise cone and cup dimensions, ensuring smooth operation under combined loads.
The chrome steel construction provides durability, while the standard radial clearance allows for flexibility in different applications.
Its dynamic thrust rating of 3,020 lbf ensures consistent performance in high-stress conditions.
Designed for easy lubrication, it maintains efficiency over extended periods.

Built for Durability: 25578-25524 Bearing

25578-25524 Bearing’s single-row tapered roller design handles combined loads with ease.
The chrome steel rollers and rings resist wear, even under heavy radial loads up to 24,900 lbf.
Its ABEC-1 rating ensures reliable precision for various industrial uses.
The open seal type allows for straightforward maintenance and lubrication.

Steel vs Ceramic Bearings: Strengths of 25578-25524 Bearing

25578-25524 Bearing uses chrome steel for both rollers and rings, providing excellent strength and durability.
This material choice ensures it can handle dynamic radial loads up to 20,300 lbf without compromising performance.
The steel cage further enhances stability, keeping rollers aligned during operation.
Its standard radial clearance makes it versatile for different installation requirements.

Application

Common Applications of 25578-25524 Bearing
25578-25524 Bearing is widely used in industrial machinery, especially in gearboxes and heavy-duty equipment where combined radial and thrust loads are common. Its single-row tapered roller design ensures reliable performance under demanding conditions.
In automotive applications, 25578-25524 Bearing supports wheel hubs and differential systems, providing smooth operation and long service life. The chrome steel construction enhances durability, making it suitable for high-load scenarios.
For agricultural machinery, 25578-25524 Bearing handles the rough conditions of tractors and harvesters, where its robust design resists wear and tear. The open seal type allows for easy lubrication, extending bearing life in dusty environments.

How Does 25578-25524 Bearing Improve Performance?
25578-25524 Bearing enhances performance in conveyor systems by efficiently managing both radial and axial loads. Its tapered roller design reduces friction, improving energy efficiency and reducing maintenance needs.
In construction equipment, 25578-25524 Bearing provides stability for cranes and excavators, ensuring smooth operation under heavy loads. The standard radial clearance offers flexibility for various installation requirements.

Built for Heavy-Duty Use: 25578-25524 Bearing
25578-25524 Bearing is ideal for mining equipment, where its robust construction withstands extreme loads and harsh conditions. The chrome steel rollers and cage ensure longevity even in abrasive environments.
For railway applications, 25578-25524 Bearing supports axle boxes, delivering reliable performance over long distances. The ABEC-1 rating ensures consistent precision for safe and efficient operation.

Automotive vs Industrial: Applications of 25578-25524 Bearing
In automotive systems, 25578-25524 Bearing is commonly found in drivetrains, offering smooth power transmission and load handling. Its inch sizing makes it compatible with many North American vehicle models.
For industrial pumps, 25578-25524 Bearing ensures reliable operation under continuous use, with its steel cage providing added strength. The temperature range of -30° to 110°C makes it versatile for various climates.

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