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

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

The 543086-543115D is a two-row tapered roller bearing with an 8.66″ bore and 11.31″ outer diameter, built from sturdy chrome steel for heavy-duty use. It handles combined loads up to 93,600 lbf and works in temperatures from -30°C to 110°C.

Its double-row design offers stability under high radial and thrust loads, with a dynamic radial rating of 24,300 lbf for two rows. The open seal allows easy lubrication, while the steel cage ensures durability.

This bearing suits industrial applications like large gearboxes or heavy machinery where robust performance is needed. It meets ABEC-1 standards and comes with standard radial clearance (C3/C4/C5 options available).

Weighing 23.09 lb, it’s built to last in demanding environments. Compliant with RoHS and REACH regulations for safe operation.

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Product Parameters

  • Part Number 543086-543115D
  • 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 543115D
  • 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 23.09 lb

Features

Performance Features of 543086-543115D Bearing

543086-543115D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 93,600 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it provides smooth operation and easy installation.

543086-543115D Bearing operates efficiently within a temperature range of -30° to 110°C.
The steel cage maintains roller alignment, ensuring consistent performance under varying conditions.

Application

Industrial Uses of 543086-543115D Bearing
543086-543115D Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 543086-543115D Bearing supports large vehicle axles and drivetrains, providing reliable performance under heavy loads. Its inch sizing makes it a good fit for North American and other imperial-standard markets.

For industrial conveyor systems, 543086-543115D Bearing’s tapered roller design offers smooth operation and easy maintenance. The open seal type allows for straightforward lubrication, extending service life in high-use settings.

What Makes 543086-543115D Bearing a Preferred Choice?
543086-543115D Bearing stands out in applications like agricultural machinery, where its robust construction handles uneven loads and harsh conditions. The steel cage adds extra strength, making it a dependable option.

In wind turbine systems, 543086-543115D Bearing’s ability to manage dynamic radial and thrust loads ensures consistent performance. Its temperature range also suits both cold and moderately hot climates.

Built for Heavy-Duty Use: 543086-543115D Bearing
543086-543115D Bearing excels in railroad applications, where its double-row tapered rollers handle heavy loads and vibrations. The standard radial clearance provides flexibility for various operational needs.

For oil and gas equipment, 543086-543115D Bearing’s chrome steel rollers resist wear in high-pressure environments. Its ABEC-1 rating balances precision and cost-effectiveness for industrial use.

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