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24780-24720D TDO (Two-Row Double-Outer Race) (Imperial)

24780-24720D TDO (Two-Row Double-Outer Race) (Imperial)

The 24780-24720D is a two-row tapered roller bearing with a 1.625″ bore and 3″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 7670 lbf radially and 2960 lbf in thrust, making it a versatile choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation even under high stress. The bearing operates well in temperatures ranging from -30°C to 110°C, suitable for various industrial environments.

This double-row design provides extra stability, ideal for machinery like gearboxes or axles where both radial and thrust loads are present. With standard radial clearance and ABEC-1 rating, it offers reliable precision for most general applications.

Weighing 2.04 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable option for replacements or new installations.

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Product Parameters

  • Part Number 24780-24720D
  • Brand TFL
  • Size 1.625" x 3" x 0.9063"
  • Bore Dia 1.625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.5625"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.9063"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 1.9374"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.13"
  • Cup Frontface Backing Diameter 2.87"
  • Cage Cone Backface Clearance 0.03"
  • Dynamic Radial Load 29600 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 24780
  • Cup Part Number 24720D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 24700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 4400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 2960 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 7670 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 2.04 lb

Features

How Does 24780-24720D Bearing Handle Combined Loads?

24780-24720D Bearing features a double-row tapered roller design, providing excellent resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 29,600 lbf, ensuring reliable performance in demanding conditions.
The chrome steel construction enhances durability, while the steel cage maintains roller alignment for smooth operation.
With a temperature range of -30° to 110°C, it performs well in various environments.

Why Choose 24780-24720D Bearing for Heavy-Duty Applications?

24780-24720D Bearing is built with precision tolerances, offering consistent performance under heavy loads.
The double-row design distributes stress evenly, extending the bearing’s service life.
Its chrome steel rollers and rings resist wear, reducing maintenance needs.
The open seal type allows for easy lubrication, ensuring optimal performance over time.

Engineered for Reliability: 24780-24720D Bearing

24780-24720D Bearing’s tapered roller design ensures smooth operation even under combined loads.
The steel cage keeps rollers in place, minimising friction and noise.
With a dynamic radial rating of 7,670 lbf for two rows, it handles high-stress applications effortlessly.
Its standard radial clearance options provide flexibility for different operational needs.

Material Composition of 24780-24720D Bearing

24780-24720D Bearing uses high-quality chrome steel for both rings and rollers, enhancing strength and durability.
The steel cage ensures stable roller movement, reducing wear and tear.
This material choice also improves resistance to corrosion and high temperatures.
Lubrication is required to maintain peak performance over its long service life.

Performance Features of 24780-24720D Bearing

24780-24720D Bearing’s double-row design offers superior load distribution, ideal for heavy-duty machinery.
Its dynamic thrust rating of 2,960 lbf ensures reliable performance in thrust applications.
The bearing operates smoothly within a wide temperature range, from -30° to 110°C.
With ABEC-1 precision, it balances cost and performance for industrial use.

Application

Industrial Uses of 24780-24720D Bearing
The 24780-24720D Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 24780-24720D Bearing supports wheel hubs and drivetrain components, providing reliable performance under varying loads. The inch sizing makes it a preferred choice for North American vehicle models.

For industrial automation, 24780-24720D Bearing’s open design allows for easy lubrication, extending its service life in high-speed conveyor systems. The tapered roller design also helps maintain precision under heavy loads.

What Makes 24780-24720D Bearing a Preferred Choice?
The 24780-24720D Bearing is ideal for agricultural machinery, where its robust construction withstands dirt and debris. The standard radial clearance ensures smooth operation even in less-than-ideal conditions.

In material handling systems, 24780-24720D Bearing’s two-row configuration distributes loads evenly, reducing wear and tear. Its steel cage adds stability, making it suitable for long-term use in logistics equipment.

Built for Heavy-Duty Use: 24780-24720D Bearing
The 24780-24720D Bearing excels in forestry equipment, handling shock loads and rough terrain with ease. Its ABEC-1 rating provides a balance of precision and affordability for general industrial use.

For power transmission systems, 24780-24720D Bearing’s tapered rollers ensure smooth rotation under high torque. The open seal design simplifies maintenance, making it a practical choice for plant operators.

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