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2578-2524YD TDO (Two-Row Double-Outer Race) (Imperial)

2578-2524YD TDO (Two-Row Double-Outer Race) (Imperial)

The 2578-2524YD is a double-row tapered roller bearing with a 1.125″ bore and 2.75″ outer diameter, built from sturdy chrome steel. It handles combined loads well, with a dynamic radial load capacity of 32800 lbf and smooth operation up to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing’s double-row construction provides stability under heavy loads, making it reliable for demanding applications.

This model fits standard cup types and is part of the 2500 series, suitable for industrial machinery or automotive uses. It meets RoHS and REACH standards, weighing just 2.63 lbs for its robust size.

With standard radial clearance and ABEC-1 rating, it’s a practical choice for general-purpose applications where combined loads are common.

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Product Parameters

  • Part Number 2578-2524YD
  • Brand TFL
  • Size 1.125" x 2.75" x 0.9983"
  • Bore Dia 1.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.75"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.25"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.9983"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.625"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 1.54"
  • Cup Frontface Backing Diameter 2.56"
  • Cage Cone Backface Clearance 0.02"
  • Dynamic Radial Load 32800 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 2578
  • Cup Part Number 2524YD
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 2500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 4880 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 2280 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 8500 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 2.63 lb

Features

How Is 2578-2524YD Bearing Engineered for Reliability?

2578-2524YD Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 32,800 lbf.
The steel cage maintains roller alignment, reducing friction and wear for extended performance.
With a standard radial clearance and ABEC-1 rating, it offers consistent reliability in various applications.

What Makes 2578-2524YD Bearing Suitable for High-Temperature Applications?

2578-2524YD Bearing operates efficiently within a temperature range of -30° to 110°C, making it versatile for different environments.
The chrome steel rings and rollers resist thermal expansion, maintaining precision under heat.
Its open design allows for easy lubrication, ensuring smooth operation even in demanding conditions.
This bearing is ideal for applications where temperature fluctuations are common.

Designed for Durability: 2578-2524YD Bearing

2578-2524YD Bearing is built with high-quality chrome steel, offering excellent wear resistance and longevity.
Its double-row construction distributes loads evenly, reducing stress on individual components.
The standard radial clearance ensures smooth operation, while the steel cage enhances stability.
This bearing is a reliable choice for heavy-duty applications requiring consistent performance.

Steel vs Ceramic Bearings: Strengths of 2578-2524YD Bearing

2578-2524YD Bearing uses chrome steel for both rings and rollers, providing a balance of strength and cost-effectiveness.
The material choice ensures high load capacity and resistance to wear in demanding conditions.
Unlike ceramic bearings, it offers easier maintenance and compatibility with standard lubrication practices.
This makes it a practical option for industrial applications where reliability is key.

Application

Industrial Uses of 2578-2524YD Bearing
2578-2524YD Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its double-row design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 2578-2524YD Bearing Used?
You’ll often find 2578-2524YD Bearing in automotive applications like truck wheel hubs, where its tapered roller design supports both radial and thrust loads. Its inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 2578-2524YD Bearing
2578-2524YD Bearing excels in industrial fans and pumps, thanks to its robust steel cage and high dynamic load capacity. The open seal design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 2578-2524YD Bearing
In automotive settings, 2578-2524YD Bearing is ideal for axles and differentials, while its precision makes it suitable for certain aerospace components. The ABEC-1 rating ensures reliable performance in both fields.

Practical Applications of 2578-2524YD Bearing
2578-2524YD Bearing works well in conveyor systems, where its double-row construction manages heavy loads smoothly. The standard radial clearance offers flexibility for various operational conditions.

Q&A

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