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TS (Single Row Tapered Roller Bearings) (Imperial) 2578-2520

TS (Single Row Tapered Roller Bearings) (Imperial) 2578-2520

The 2578-2520 is a single-row tapered roller bearing with a 1.125″ bore and 2.615″ 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 use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing just 1 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 2578-2520
  • Brand TFL
  • Interchangeable Timken
  • Size 1.125" x 2.615" x 1"
  • Bore Dia 1.125"
  • 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 0.09"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.38"
  • Cone Backface Backing Diameter 1.54"
  • 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 2578
  • 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 1 lb

Features

Performance Features of 2578-2520 Bearing

2578-2520 Bearing is crafted with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 18,800 lbf, ensuring reliable performance in various 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 diverse environments.

2578-2520 Bearing’s standard radial clearance allows for smooth operation under different conditions.
Its tapered roller design efficiently handles both radial and thrust loads.

The open design simplifies lubrication, ensuring consistent performance over time.
Weighing just 1 lb, it balances durability and ease of handling.

Application

Industrial Uses of 2578-2520 Bearing
The 2578-2520 Bearing is widely used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 2578-2520 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for Timken equivalents in older vehicles.

For industrial conveyor systems, 2578-2520 Bearing’s open design simplifies lubrication and maintenance, reducing downtime. Its standard radial clearance offers flexibility for different operational needs.

What Makes 2578-2520 Bearing a Preferred Choice?
The 2578-2520 Bearing stands out in applications like gearboxes and power transmission units, where its single-row tapered rollers manage both radial and thrust loads smoothly. Its steel cage adds robustness for long-term use.

In mining equipment, 2578-2520 Bearing’s high dynamic radial load capacity ensures reliability under extreme conditions. The ABEC-1 rating balances precision and cost-effectiveness for industrial use.

Built for Heavy-Duty Use: 2578-2520 Bearing
The 2578-2520 Bearing excels in forestry machinery, where its tapered rollers withstand shock loads and misalignment. The chrome steel rollers and rings enhance wear resistance in gritty environments.

For railway applications, 2578-2520 Bearing’s effective center location improves stability in axle boxes. Its compatibility with Timken designs simplifies sourcing for maintenance teams.

Light-Duty vs Heavy-Duty: Best Uses for 2578-2520 Bearing
In light-duty scenarios like small pumps, 2578-2520 Bearing offers dependable performance with minimal maintenance. Its standard width fits common housings without modification.

For heavy-duty tasks like crushers, 2578-2520 Bearing’s dynamic load ratings ensure longevity. The open seal type allows for custom lubrication to match operational demands.

Q&A

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