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TS (Single Row Tapered Roller Bearings) (Imperial) 2581-2520

TS (Single Row Tapered Roller Bearings) (Imperial) 2581-2520

The 2581-2520 is a single-row tapered roller bearing with a 1.3125″ bore and 2.615″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 18800 lbf radially and 2280 lbf thrust-wise, suitable for moderate-speed 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 machinery like gearboxes or wheel hubs where combined loads are common.

Weighing just 0.9 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Product Parameters

  • Part Number 2581-2520
  • Brand TFL
  • Interchangeable Timken
  • Size 1.3125" x 2.615" x 1"
  • Bore Dia 1.3125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.615"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9983"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.8125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.54"
  • Cone Backface Backing Diameter 1.56"
  • Cup Frontface Backing Diameter 2.48"
  • Cup Backface Backing Diameter 2.24"
  • 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 2520
  • 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 0.9 lb

Features

How Is 2581-2520 Bearing Engineered for Reliability?

2581-2520 Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 18,800 lbf, ensuring dependable performance in various 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 diverse conditions.

Why Choose 2581-2520 Bearing for Precision Tasks?

2581-2520 Bearing is designed with precise tolerances, offering accurate performance in demanding settings.
The tapered roller design distributes loads evenly, enhancing stability and reducing wear.
Its ABEC-1 rating ensures consistent quality for applications requiring reliable precision.
The standard radial clearance option allows for flexibility in different operational environments.

Structural Advantages of 2581-2520 Bearing

2581-2520 Bearing’s single-row construction provides a compact and efficient solution for combined loads.
The chrome steel components resist wear, ensuring long-term durability under heavy use.
With a static radial load capacity of 21,200 lbf, it handles demanding conditions with ease.
The open seal design simplifies maintenance while maintaining performance.

Application

Industrial Uses of 2581-2520 Bearing
2581-2520 Bearing is commonly used in heavy machinery like conveyor systems and industrial gearboxes, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 2581-2520 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken equivalents in many vehicles.

For construction equipment, 2581-2520 Bearing’s robust design supports high radial and thrust loads in excavators and cranes. The steel cage adds extra strength, making it suitable for rough operating conditions.

Where Is 2581-2520 Bearing Used?
You’ll often find 2581-2520 Bearing in agricultural machinery, such as tractors and harvesters, where its ability to handle heavy loads is essential. The standard radial clearance ensures smooth operation even with frequent load changes.

In mining equipment, 2581-2520 Bearing’s durability shines, particularly in crushers and screens. Its temperature range allows it to perform reliably in both hot and cold environments.

Built for Heavy-Duty Use: 2581-2520 Bearing
2581-2520 Bearing is a go-to choice for forestry machinery like log splitters and sawmills. Its single-row tapered design provides stability under intense workloads.

The bearing’s open seal type simplifies maintenance, which is handy in dusty or dirty conditions. Regular lubrication keeps it running smoothly for extended periods.

Automotive vs Aerospace: Applications of 2581-2520 Bearing
In automotive settings, 2581-2520 Bearing excels in transmissions and drivetrains, offering consistent performance. Its ABEC-1 rating balances precision and cost-effectiveness for most vehicle needs.

For aerospace ground equipment, this bearing supports load-handling devices like cargo lifts. While not for in-flight use, its reliability is key for ground operations.

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