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543085-543115DC TDO (Two-Row Double-Outer Race) (Imperial)

543085-543115DC TDO (Two-Row Double-Outer Race) (Imperial)

The 543085-543115DC is a double-row tapered roller bearing with an 8.5″ bore and 11.3125″ outer diameter, crafted from durable chrome steel. It handles combined loads with a dynamic radial capacity of 93,600 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance under heavy loads. The bearing is built to last, with standard radial clearance and ABEC-1 precision for consistent operation.

This model is ideal for industrial machinery or heavy equipment where combined radial and thrust loads are common. Its double-row construction provides extra stability and load-bearing capacity.

Weighing 25.01 lb, it’s a robust choice for demanding applications. Compliant with RoHS and REACH standards, it’s a safe and reliable option for various industries.

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Product Parameters

  • Part Number 543085-543115DC
  • Brand TFL
  • Size 8.5" x 11.3125" x 1.25"
  • Bore Dia 8.5"
  • 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 9.13"
  • 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 543085
  • 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 25.01 lb

Features

How Is 543085-543115DC Bearing Engineered for Reliability?

543085-543115DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its dynamic radial load capacity reaches 93,600 lbf, ensuring reliable performance in heavy-duty applications.
The chrome steel construction enhances durability, while the steel cage maintains roller alignment for smooth operation.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

What Makes 543085-543115DC Bearing Suitable for High-Temperature Applications?

543085-543115DC Bearing is built with chrome steel rings and rollers, offering excellent heat resistance up to 110°C.
Its open design allows for effective lubrication, reducing friction and heat buildup during operation.
The double-row construction distributes loads evenly, preventing overheating under heavy use.
This makes it a dependable choice for industrial applications with high-temperature demands.

Designed for Durability: 543085-543115DC Bearing

543085-543115DC Bearing’s tapered roller design ensures long-lasting performance under combined radial and thrust loads.
The chrome steel materials resist wear, extending the bearing’s service life in demanding conditions.
Its standard radial clearance options provide flexibility for different operational needs.
With a weight of 25.01 lb, it balances robustness and practicality for industrial use.

Steel vs Ceramic Bearings: Strengths of 543085-543115DC Bearing

543085-543115DC Bearing uses chrome steel for both rings and rollers, delivering high strength and cost-effectiveness.
This material choice ensures reliable performance under heavy loads and high temperatures.
The steel cage maintains roller alignment, reducing wear and prolonging service life.
Its dynamic radial load capacity of 93,600 lbf makes it a sturdy option for industrial machinery.

Application

Industrial Uses of 543085-543115DC Bearing
The 543085-543115DC 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 efficiently. Its chrome steel construction ensures durability in tough working conditions.

Where Is 543085-543115DC Bearing Used?
You’ll often find the 543085-543115DC Bearing in large industrial gearboxes and power transmission systems, thanks to its high dynamic radial load capacity. The open seal design allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 543085-543115DC Bearing
This bearing excels in applications like agricultural machinery and forestry equipment, where its tapered roller design provides reliable performance under heavy loads. The inch sizing makes it compatible with a variety of North American machinery standards.

Automotive vs Aerospace: Applications of 543085-543115DC Bearing
In automotive settings, the 543085-543115DC Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems requiring precise load management. Its steel cage ensures stability across different operational environments.

Essential Roles of 543085-543115DC Bearing
The 543085-543115DC Bearing is vital in wind turbine systems, where its ability to handle high radial and thrust loads ensures smooth operation. The standard radial clearance option makes it adaptable to various installation requirements.

Q&A

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