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TS (Single Row Tapered Roller Bearings) (Imperial) 2578-2523-S

TS (Single Row Tapered Roller Bearings) (Imperial) 2578-2523-S

The 2578-2523-S is a single-row tapered roller bearing with a 1.125″ bore and 2.75″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 18800 lbf radially and 2280 lbf 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 use in machinery like gearboxes or axles where combined loads are common.

Weighing just 1.1 lb, it’s sturdy 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 2578-2523-S
  • Brand TFL
  • Interchangeable Timken
  • Size 1.125" x 2.75" x 0.9375"
  • Bore Dia 1.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9983"
  • 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 0.09"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.38"
  • Cone Backface Backing Diameter 1.54"
  • Cup Frontface Backing Diameter 2.56"
  • Cup Backface Backing Diameter 2.40"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.02"
  • Effective Center Location -0.34"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 2578
  • Cup Part Number 2523-S
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 2500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 18800 lbf
  • Static Radial Load 21200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 4880 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2280 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 1.1 lb

Features

How Does 2578-2523-S Bearing Handle Combined Loads?

2578-2523-S Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 18,800 lbf, ensuring reliable performance in demanding conditions.
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.

Why Choose 2578-2523-S Bearing for Precision Tasks?

2578-2523-S Bearing features a single-row tapered roller design, providing precise load distribution.
The chrome steel construction ensures durability and smooth operation under combined loads.
Its standard radial clearance allows for consistent performance in different applications.
The bearing’s ABEC-1 rating guarantees reliable precision for industrial use.

Engineered for Reliability: 2578-2523-S Bearing

2578-2523-S Bearing’s chrome steel components resist wear, ensuring long-term reliability.
The tapered roller design efficiently handles combined loads, reducing stress on the bearing.
With a static radial load capacity of 21,200 lbf, it suits heavy-duty applications.
Its open construction simplifies maintenance and lubrication.

Steel vs Ceramic Bearings: Strengths of 2578-2523-S Bearing

2578-2523-S Bearing uses chrome steel for both rollers and rings, balancing strength and cost-effectiveness.
The steel cage provides robust support, ensuring smooth operation under high loads.
Its dynamic thrust rating of 2,280 lbf makes it suitable for various industrial applications.
The bearing’s standard radial clearance offers flexibility in different operating conditions.

Application

Industrial Uses of 2578-2523-S Bearing
2578-2523-S Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 2578-2523-S Bearing Used?
You’ll often find 2578-2523-S Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for older or custom-built vehicles.

Built for Heavy-Duty Use: 2578-2523-S Bearing
2578-2523-S Bearing excels in industrial conveyor systems, thanks to its robust steel cage and standard radial clearance. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 2578-2523-S Bearing
While 2578-2523-S Bearing is popular in truck axles, it’s also suitable for light aerospace applications where combined load handling is needed. Its ABEC-1 rating balances precision and cost-effectiveness.

Key Fields for 2578-2523-S Bearing
2578-2523-S Bearing is a go-to for mining equipment, where its dynamic radial load capacity shines. The tapered rollers distribute weight evenly, reducing wear over time.

Q&A

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