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TS (Single Row Tapered Roller Bearings) (Imperial) 2581-2523-S

TS (Single Row Tapered Roller Bearings) (Imperial) 2581-2523-S

The 2581-2523-S is a single-row tapered roller bearing with a 1.3125″ bore and 2.75″ outer diameter, crafted from sturdy 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 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 machinery like gearboxes or axles where combined loads are common.

Weighing just 1 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets safety and environmental requirements. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number 2581-2523-S
  • Brand TFL
  • Interchangeable Timken
  • Size 1.3125" x 2.75" x 0.9375"
  • Bore Dia 1.3125"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.54"
  • Cone Backface Backing Diameter 1.56"
  • 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 2581
  • 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 lb

Features

How Is 2581-2523-S Bearing Engineered for Reliability?

2581-2523-S Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 18,800 lbf, making it suitable for demanding industrial applications.

The tapered roller design of 2581-2523-S Bearing distributes loads evenly, reducing stress on components.
With a standard radial clearance, it offers smooth operation and extended service life.

2581-2523-S Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, enhancing performance and reducing wear.

Designed for easy lubrication, 2581-2523-S Bearing simplifies maintenance and improves reliability.
The open construction allows for straightforward inspection and servicing when needed.

Application

Industrial Uses of 2581-2523-S Bearing
2581-2523-S Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 2581-2523-S Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyor systems, 2581-2523-S Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds stability, making it suitable for continuous operation.

Where Is 2581-2523-S Bearing Used?
2581-2523-S Bearing finds its place in agricultural machinery, supporting components like gearboxes and PTO shafts. Its robust design handles the rough conditions typical in farming operations.

The bearing also works well in mining equipment, where its ability to manage radial and thrust loads is crucial. The standard radial clearance ensures smooth performance even under heavy stress.

Built for Heavy-Duty Use: 2581-2523-S Bearing
2581-2523-S Bearing is ideal for forestry equipment, such as log splitters and sawmills, where its tapered rollers handle shock loads effectively. The chrome steel rollers resist wear over time.

In material handling systems, this bearing’s single-row design simplifies installation and maintenance. Its ABEC-1 rating provides sufficient precision for most industrial applications.

Automotive vs Aerospace: Applications of 2581-2523-S Bearing
In automotive settings, 2581-2523-S Bearing supports drivetrain components, offering a balance of strength and affordability. Its compatibility with Timken models makes it a versatile choice.

For aerospace ground equipment, this bearing’s temperature range suits various operational conditions. However, its ABEC-1 rating limits its use in high-precision flight systems.

Key Fields for 2581-2523-S Bearing
2581-2523-S Bearing is a go-to option for railway maintenance vehicles, where its durability meets the demands of heavy loads. The steel cage ensures consistent performance over long periods.

In power generation equipment, this bearing’s ability to handle combined loads makes it useful in turbine assemblies. Its standard lubrication requirements simplify upkeep in remote installations.

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