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43118-43319D TDO (Two-Row Double-Outer Race) (Imperial)

43118-43319D TDO (Two-Row Double-Outer Race) (Imperial)

The 43118-43319D is a two-row tapered roller bearing with a 1.1875″ bore and 3.1875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 36000 lbf and is designed for long-lasting performance in demanding conditions.

Its double-row construction provides stability under heavy radial and thrust loads, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model features standard radial clearance and meets ABEC-1 precision standards. Ideal for industrial machinery or automotive applications where robust load capacity is needed.

Weighing 2.88 lb, it’s a sturdy choice for heavy-duty use. Compliant with RoHS and REACH regulations for safe operation.

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Product Parameters

  • Part Number 43118-43319D
  • Brand TFL
  • Size 1.1875" x 3.1875" x 0.9478"
  • Bore Dia 1.1875"
  • 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 1.77"
  • Cup Frontface Backing Diameter 2.94"
  • Cage Cone Backface Clearance 0.1"
  • Dynamic Radial Load 36000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 43118
  • 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) 5360 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 6130 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 9340 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

Why Choose 43118-43319D Bearing for Combined Loads?

43118-43319D Bearing features a double-row tapered roller design, ideal for handling both radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 36,000 lbf.

The open seal type allows for easy lubrication, maintaining performance in various conditions.
With a temperature range of -30° to 110°C, it operates reliably in diverse environments.

Standard radial clearance options provide flexibility for different applications.
Its robust design reduces maintenance needs, offering long-term reliability.

Application

Industrial Uses of 43118-43319D Bearing
43118-43319D 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. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 43118-43319D Bearing supports wheel hubs and drivetrains, providing reliable performance under varying loads. Its inch sizing makes it a good fit for American and British vehicle models.

For industrial conveyor systems, 43118-43319D Bearing’s tapered roller design offers smooth operation and long service life. The open seal type allows for easy lubrication, reducing maintenance downtime.

What Makes 43118-43319D Bearing a Preferred Choice?
43118-43319D Bearing is often chosen for agricultural machinery, where its robust construction withstands dusty and high-load environments. The standard radial clearance ensures consistent performance over time.

In material handling equipment, 43118-43319D Bearing’s dynamic radial load capacity makes it suitable for heavy lifting applications. The steel cage adds extra strength, preventing deformation under stress.

Built for Heavy-Duty Use: 43118-43319D Bearing
43118-43319D Bearing excels in forestry equipment, handling the demanding conditions of log splitters and harvesters. Its temperature range of -30° to 110°C ensures reliability in extreme weather.

For railway applications, 43118-43319D Bearing’s tapered rollers provide stability and reduce friction in axle boxes. The ABEC-1 rating balances precision and cost-effectiveness for this use.

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