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43117-43319D TDO (Two-Row Double-Outer Race) (Imperial)

43117-43319D TDO (Two-Row Double-Outer Race) (Imperial)

The 43117-43319D is a two-row tapered roller bearing with a 1.1806″ bore and 3.1875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 30400 lbf and is designed for long-lasting performance.

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

This model is part of the 43000 series, featuring standard cups and a steel cage for durability. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 2.88 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements or new installations.

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Product Parameters

  • Part Number 43117-43319D
  • Brand TFL
  • Size 1.1806" x 3.1875" x 0.9478"
  • Bore Dia 1.1806"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.1875"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.5625"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.9478"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.1875"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.06"
  • Cone Backface Backing Diameter 1.75"
  • Cup Frontface Backing Diameter 2.94"
  • Cage Cone Backface Clearance 0.1"
  • Dynamic Radial Load 30400 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 43117
  • Cup Part Number 43319D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 43000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 4520 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 5170 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 7880 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 2.88 lb

Features

How Is 43117-43319D Bearing Engineered for Reliability?

43117-43319D 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 30,400 lbf.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

43117-43319D Bearing’s standard radial clearance options offer flexibility for different applications.
Its open design simplifies lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 43117-43319D Bearing
43117-43319D 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 effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 43117-43319D Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a good fit for American and British vehicle models.

For industrial automation, 43117-43319D Bearing is ideal for conveyor systems and robotic arms, where precision and load capacity are key. The open seal type allows for easy lubrication, extending its service life.

Where Is 43117-43319D Bearing Used?
You’ll often find 43117-43319D Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design manages heavy loads smoothly. The steel cage adds extra strength for long-term use.

In manufacturing plants, 43117-43319D Bearing is a go-to for gearboxes and pulley systems, thanks to its balanced load distribution. The standard radial clearance ensures consistent performance across different temperatures.

Built for Heavy-Duty Use: 43117-43319D Bearing
43117-43319D Bearing excels in forestry equipment, such as log splitters and sawmills, where its robust construction withstands high stress. The double-row setup enhances stability under uneven loads.

For railway applications, 43117-43319D Bearing is used in axle boxes, providing reliable support for freight and passenger trains. The ABEC-1 rating ensures adequate precision for these demanding environments.

Automotive vs Aerospace: Applications of 43117-43319D Bearing
In automotive systems, 43117-43319D Bearing is trusted for drivetrain components, offering a balance of strength and efficiency. The inch measurements simplify integration into existing designs.

For aerospace ground equipment, 43117-43319D Bearing handles heavy loads in aircraft tow tractors and loading platforms. Its temperature range suits both indoor and outdoor operations.

Q&A

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