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543086-543115DC TDO (Two-Row Double-Outer Race) (Imperial)

543086-543115DC TDO (Two-Row Double-Outer Race) (Imperial)

The 543086-543115DC is a double-row tapered roller bearing with an 8.66″ bore and 11.31″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 93,600 lbf and is designed for heavy-duty applications.

Its open design allows easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model features a standard radial clearance and is ABEC-1 rated for reliable performance. Ideal for industrial machinery or large equipment where combined loads are common.

Weighing 23.49 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 543086-543115DC
  • Brand TFL
  • Size 8.6602" x 11.3125" x 1.25"
  • Bore Dia 8.6602"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 11.3125"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.25"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.75"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 9.25"
  • Cup Frontface Backing Diameter 10.98"
  • Cage Cone Backface Clearance 0.14"
  • Dynamic Radial Load 93600 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 543086
  • Cup Part Number 543115DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 543000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 13900 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 9190 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 24300 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 23.49 lb

Features

How Is 543086-543115DC Bearing Engineered for Reliability?

543086-543115DC 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 93,600 lbf.

The precision tolerances on bore and outer diameters enhance alignment and smooth operation.
With a standard radial clearance, it offers reliable performance in various industrial applications.

Designed for a temperature range of -30° to 110°C, it performs well in diverse environments.
The steel cage maintains roller alignment, reducing wear and extending service life.

Application

Industrial Uses of 543086-543115DC Bearing
This bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its double-row design handles combined radial and thrust loads effortlessly.
The imperial sizing makes it a straightforward fit for North American industrial applications.

What Makes 543086-543115DC Bearing a Preferred Choice?
Its chrome steel construction ensures durability in demanding environments, such as agricultural machinery and forestry equipment.
The open seal design allows for easy lubrication, extending service life in high-load scenarios.

Built for Heavy-Duty Use: 543086-543115DC Bearing
You’ll often find this bearing in wind turbine gearboxes, where its tapered rollers manage variable loads smoothly.
The standard radial clearance offers reliable performance without frequent adjustments.

Automotive vs Aerospace: Applications of 543086-543115DC Bearing
In trucks and buses, this bearing supports axles and transmissions with its robust load capacity.
For aerospace ground equipment, its temperature tolerance ensures stability in varying weather conditions.

Where Is 543086-543115DC Bearing Used?
It’s a go-to choice for railway freight car wheel sets, thanks to its dynamic radial rating.
The steel cage provides added strength, making it suitable for prolonged use in transport systems.

Q&A

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