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24781-24720D TDO (Two-Row Double-Outer Race) (Imperial)

24781-24720D TDO (Two-Row Double-Outer Race) (Imperial)

The 24781-24720D is a two-row tapered roller bearing with a 1.625″ bore and 3″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 29600 lbf and is designed for long-lasting performance in demanding conditions.

Its double-row construction provides extra stability, while the open seal allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is part of the 24700 series, featuring standard cups and a steel cage for durability. It’s ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 2.07 lb, it’s a robust choice for machinery requiring reliable load support. Compliant with RoHS and REACH standards, it’s a safe and dependable option for various industrial uses.

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Product Parameters

  • Part Number 24781-24720D
  • 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 1.89"
  • 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 24781
  • 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 2.07 lb

Features

How Is 24781-24720D Bearing Engineered for Reliability?

24781-24720D Bearing features a double-row tapered roller design, providing robust support for combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.
With a dynamic radial load capacity of 29,600 lbf, it handles heavy-duty operations with ease.
The open seal design allows for easy lubrication, maintaining optimal performance over time.

What Makes 24781-24720D Bearing Suitable for High-Temperature Applications?

24781-24720D Bearing operates reliably in temperatures ranging from -30° to 110°C, making it versatile for various environments.
The chrome steel rollers and rings maintain structural integrity under thermal stress.
Its standard radial clearance options (including C3/C4/C5) ensure adaptability to different operational conditions.
This bearing is ideal for applications requiring consistent performance in fluctuating temperatures.

Designed for Durability: 24781-24720D Bearing

24781-24720D Bearing’s double-row construction distributes loads evenly, reducing stress on individual components.
The steel cage keeps rollers aligned, minimising friction and extending service life.
With a dynamic radial rating of 7,670 lbf for two rows, it excels in heavy-load scenarios.
Its precision engineering ensures smooth operation even in challenging conditions.

Application

Industrial Uses of 24781-24720D Bearing
The 24781-24720D Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability in demanding environments, making it a reliable choice for long-term use.

Where Is 24781-24720D Bearing Used?
You’ll often find the 24781-24720D Bearing in automotive applications like truck wheel hubs, where its tapered roller design provides stability under heavy loads.
The inch sizing makes it compatible with many North American vehicle models, simplifying maintenance and replacements.

Built for Heavy-Duty Use: 24781-24720D Bearing
In industrial settings, the 24781-24720D Bearing supports conveyor systems and gearboxes, thanks to its robust steel cage and high dynamic load capacity.
The open seal type allows for easy lubrication, ensuring smooth operation even in high-temperature conditions.

Automotive vs Aerospace: Applications of 24781-24720D Bearing
While the 24781-24720D Bearing excels in automotive systems like differentials, its precision also makes it suitable for aerospace ground support equipment.
The standard radial clearance option balances performance and ease of installation across different applications.

Key Fields for 24781-24720D Bearing
The 24781-24720D Bearing is a go-to choice for agricultural machinery, where its tapered rollers handle uneven loads from tillers and harvesters.
Its ABEC-1 rating ensures consistent performance without overcomplicating the design or cost.

Q&A

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