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42373-42587DC TDO (Two-Row Double-Outer Race) (Imperial)

42373-42587DC TDO (Two-Row Double-Outer Race) (Imperial)

The 42373-42587DC is a double-row tapered roller bearing with a 3.74″ bore and 5.88″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 63,800 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing is designed for standard radial clearance, with options for C3, C4, or C5 available.

This model is part of the 42000 series, making it a reliable choice for heavy-duty applications. Ideal for machinery like gearboxes or industrial equipment where combined loads are common.

Weighing 8.65 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 42373-42587DC
  • Brand TFL
  • Size 3.7392" x 5.875" x 1.1406"
  • Bore Dia 3.7392"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.875"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.0625"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.1406"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.6248"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 4.25"
  • Cup Frontface Backing Diameter 5.64"
  • Cage Cone Backface Clearance 0.1"
  • Dynamic Radial Load 63800 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 42373
  • Cup Part Number 42587DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 42000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 9490 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 8000 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 16500 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 8.65 lb

Features

How Is 42373-42587DC Bearing Engineered for Reliability?

42373-42587DC 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 63,800 lbf.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 42373-42587DC Bearing Suitable for High-Temperature Applications?

42373-42587DC Bearing is built with chrome steel rollers and rings, capable of withstanding temperatures up to 110°C.
Its open design allows for effective lubrication, ensuring smooth operation even under thermal stress.
The double-row construction distributes loads evenly, reducing heat buildup.
This makes it ideal for applications where temperature fluctuations are common.

Designed for Durability: 42373-42587DC Bearing

42373-42587DC Bearing’s tapered roller design ensures long-lasting performance under heavy loads.
The chrome steel components resist wear, while the steel cage provides stability.
With a dynamic radial rating of 16,500 lbf for two rows, it handles demanding conditions with ease.
Its standard radial clearance options offer flexibility for different applications.

Steel vs Ceramic Bearings: Strengths of 42373-42587DC Bearing

42373-42587DC Bearing uses chrome steel for both rollers and rings, offering excellent strength and fatigue resistance.
This material choice ensures reliability in heavy-load scenarios, unlike ceramic alternatives.
The steel cage further enhances durability, maintaining precise roller alignment.
Its robust construction makes it a dependable choice for industrial applications.

Application

Industrial Uses of 42373-42587DC Bearing
The 42373-42587DC Bearing is widely used in heavy machinery, such as mining equipment and construction vehicles, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability even in demanding environments, making it a reliable choice for long-term use.

Where Is 42373-42587DC Bearing Used?
You’ll often find the 42373-42587DC Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides stability under heavy loads.
The inch sizing makes it compatible with many North American industrial applications, simplifying replacements and maintenance.

Built for Heavy-Duty Use: 42373-42587DC Bearing
In conveyor systems, the 42373-42587DC Bearing excels due to its ability to manage high radial loads while maintaining smooth operation.
The open seal type allows for easy lubrication, extending the bearing’s service life in dusty or humid conditions.

Automotive vs Aerospace: Applications of 42373-42587DC Bearing
In automotive applications, the 42373-42587DC Bearing supports axle systems, offering reliable performance under varying loads.
For aerospace ground equipment, its precision and durability make it suitable for handling heavy loads with minimal maintenance.

Key Fields for 42373-42587DC Bearing
The 42373-42587DC Bearing is a go-to choice for wind turbine gearboxes, where its combined load capacity and robustness are essential.
Its standard radial clearance options provide flexibility for different operational requirements, ensuring optimal performance.

Q&A

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