42376-42587DC TDO (Two-Row Double-Outer Race) (Imperial)

42376-42587DC TDO (Two-Row Double-Outer Race) (Imperial)

The 42376-42587DC is a two-row tapered roller bearing with a 3.75″ bore and 5.875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 75600 lbf and is designed for long-lasting performance.

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

With standard radial clearance and ABEC-1 rating, it offers reliable precision for industrial use. Ideal for heavy-duty applications like gearboxes or construction equipment where robust load capacity is needed.

Weighing 8.59 lb, it’s a solid choice for machinery requiring durable, high-capacity bearings. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 42376-42587DC
  • Brand TFL
  • Size 3.75" x 5.875" x 1.1406"
  • Bore Dia 3.75"
  • 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 4.29"
  • Cup Frontface Backing Diameter 5.64"
  • Cage Cone Backface Clearance 0.1"
  • Dynamic Radial Load 75600 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 42376
  • 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) 11300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 9480 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 19600 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 8.59 lb

Features

How Is 42376-42587DC Bearing Engineered for Reliability?

42376-42587DC 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 75,600 lbf.
The steel cage maintains roller alignment, reducing wear and extending service life.
With a standard radial clearance, it offers reliable performance in various applications.

What Makes 42376-42587DC Bearing Suitable for High-Temperature Applications?

42376-42587DC Bearing operates effectively within a temperature range of -30° to 110°C.
Its chrome steel rollers and rings resist thermal deformation, ensuring consistent performance.
The open seal design allows for proper lubrication, reducing friction and heat buildup.
This makes it ideal for environments with fluctuating temperatures.

Designed for Durability: 42376-42587DC Bearing

42376-42587DC Bearing is built with high-quality chrome steel for both rollers and rings.
Its double-row construction distributes loads evenly, enhancing longevity.
The steel cage ensures smooth roller movement, minimising wear over time.
With a weight of 8.59 lb, it balances strength and manageable size.

Steel vs Ceramic Bearings: Strengths of 42376-42587DC Bearing

42376-42587DC Bearing uses chrome steel for its rollers and rings, offering excellent strength-to-weight ratio.
This material choice provides reliable performance under heavy combined loads.
The steel cage further enhances durability while maintaining cost-effectiveness.
Its ABEC-1 rating ensures consistent precision in industrial applications.

Application

Industrial Uses of 42376-42587DC Bearing
The 42376-42587DC Bearing is commonly used in heavy machinery, such as construction equipment and mining drills, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for industrial applications.

Where Is 42376-42587DC Bearing Used?
You’ll often find the 42376-42587DC Bearing in automotive axles and wheel hubs, where its tapered roller design provides smooth performance under heavy loads.
The inch sizing makes it compatible with many North American vehicle models, offering versatility for mechanics and engineers.

Built for Heavy-Duty Use: 42376-42587DC Bearing
In agricultural machinery, the 42376-42587DC Bearing supports components like tractor transmissions, thanks to its robust steel cage and high dynamic load capacity.
The open seal type allows for easy lubrication, extending its lifespan in demanding conditions.

Automotive vs Aerospace: Applications of 42376-42587DC Bearing
While the 42376-42587DC Bearing excels in automotive systems like truck differentials, its precision also suits aerospace landing gear components.
The standard radial clearance ensures consistent performance across different temperature ranges, from -30° to 110 °C.

Key Fields for 42376-42587DC Bearing
The 42376-42587DC Bearing is ideal for industrial fans and pumps, where its ABEC-1 rating balances cost and performance.
Its steel roller material provides excellent wear resistance, making it a practical choice for continuous operation.

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