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TS (Single Row Tapered Roller Bearings) (Imperial) 25576-25521

TS (Single Row Tapered Roller Bearings) (Imperial) 25576-25521

The 25576-25521 is a single-row tapered roller bearing with a 1.6875″ bore and 3.27″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 20300 lbf radially and 3020 lbf in 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 1.3 lb, it balances strength and portability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 25576-25521
  • Brand TFL
  • Interchangeable Timken
  • Size 1.6875" x 3.27" x 0.9375"
  • Bore Dia 1.6875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.27"
  • 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 0.9375"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.93"
  • Cone Backface Backing Diameter 2.17"
  • Cup Frontface Backing Diameter 3.05"
  • Cup Backface Backing Diameter 2.83"
  • 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 25576
  • Cup Part Number 25521
  • 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

How Is 25576-25521 Bearing Engineered for Reliability?

25576-25521 Bearing is built with chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 20,300 lbf, making 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 environments.

What Makes 25576-25521 Bearing Suitable for High-Temperature Applications?

25576-25521 Bearing operates efficiently in temperatures from -30° to 110°C, thanks to its chrome steel construction.
The open design allows for easy lubrication, ensuring smooth performance even under stress.
Its standard radial clearance options provide flexibility for different operational needs.
The bearing’s robust design handles both radial and thrust loads with ease.

Built for Durability: 25576-25521 Bearing

25576-25521 Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel rollers and rings enhance wear resistance, prolonging service life.
With a static radial load capacity of 24,900 lbf, it delivers reliable performance.
Its ABEC-1 rating ensures consistent precision in various industrial settings.

Steel vs Ceramic Bearings: Strengths of 25576-25521 Bearing

25576-25521 Bearing uses chrome steel for both rollers and rings, offering excellent strength and affordability.
The steel cage ensures proper roller alignment, reducing wear and maintenance needs.
Its dynamic thrust rating of 3,020 lbf makes it versatile for different load conditions.
The bearing’s standard radial clearance options cater to diverse application requirements.

Application

Industrial Uses of 25576-25521 Bearing
25576-25521 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability in tough working conditions.

Where Is 25576-25521 Bearing Used?
You’ll often find 25576-25521 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for North American vehicle models, offering reliable performance under varied loads.

Built for Heavy-Duty Use: 25576-25521 Bearing
25576-25521 Bearing works well in conveyor systems and industrial fans, thanks to its open design and steel cage. The standard radial clearance allows for smooth operation even in high-load scenarios.

Automotive vs Aerospace: Applications of 25576-25521 Bearing
In automotive settings, 25576-25521 Bearing supports drivetrain components, while in aerospace, it’s suited for auxiliary systems requiring precise load handling. The ABEC-1 rating ensures consistent performance across both fields.

Essential Roles of 25576-25521 Bearing
25576-25521 Bearing is a go-to choice for mining equipment, where its dynamic radial load capacity of 20,300 lbf stands up to harsh conditions. The tapered rollers distribute stress evenly, extending service life.

Q&A

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