+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
42381-42587DC TDO (Two-Row Double-Outer Race) (Imperial)

42381-42587DC TDO (Two-Row Double-Outer Race) (Imperial)

The 42381-42587DC is a double-row tapered roller bearing with a 3.8125″ bore and 5.875″ outer diameter, built from sturdy chrome steel for heavy-duty use. It handles combined loads with a dynamic radial capacity of 75600 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing’s double-row construction provides extra stability, making it suitable for demanding applications.

This model is part of the 42000 series and comes with standard cups for straightforward installation. Ideal for industrial machinery or vehicle axles where robust performance is needed.

Weighing 8.32 lb, it’s a solid choice for heavy-load scenarios. Compliant with RoHS and REACH standards, it meets international safety and environmental requirements.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 42381-42587DC
  • Brand TFL
  • Size 3.8125" x 5.875" x 1.1406"
  • Bore Dia 3.8125"
  • 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 4.33"
  • 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 42381
  • 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 8.32 lb

Features

Performance Features of 42381-42587DC Bearing

42381-42587DC Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 75600 lbf, ensuring reliable performance in heavy-duty applications.
The double-row tapered roller design enhances stability and load distribution.
With a temperature range of -30° to 110°C, it performs well in various conditions.

How Is 42381-42587DC Bearing Engineered for Reliability?

42381-42587DC Bearing features a steel cage that keeps the rollers aligned, reducing wear and extending service life.
The chrome steel construction provides excellent durability and resistance to fatigue.
Its standard radial clearance ensures smooth operation under different load conditions.
This bearing is designed for applications requiring long-term reliability and efficiency.

Designed for Durability: 42381-42587DC Bearing

42381-42587DC Bearing’s double-row design handles both radial and thrust loads effectively.
The precision-engineered tapered rollers minimise friction, enhancing performance.
With a dynamic radial rating of 19600 lbf for two rows, it suits demanding industrial uses.
Its robust construction ensures consistent operation even in tough environments.

Application

Industrial Uses of 42381-42587DC Bearing
The 42381-42587DC 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 demanding environments.

In automotive applications, 42381-42587DC Bearing supports heavy-duty axles and wheel hubs, providing reliable performance under high stress. The inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 42381-42587DC Bearing is a solid choice for conveyor systems and robotic arms, where its tapered rollers offer smooth motion. The open seal design allows for easy lubrication, extending its service life.

What Makes 42381-42587DC Bearing a Preferred Choice?
The 42381-42587DC Bearing stands out in applications like agricultural machinery, where its robust design handles uneven loads and harsh conditions. Its steel cage adds stability, reducing wear over time.

In material handling equipment, 42381-42587DC Bearing ensures smooth operation of cranes and forklifts, thanks to its high dynamic radial load capacity. The standard radial clearance makes it versatile for various setups.

Built for Heavy-Duty Use: 42381-42587DC Bearing
The 42381-42587DC Bearing excels in forestry equipment, where its tapered rollers manage heavy loads and shocks. Its chrome steel rollers resist deformation, maintaining performance under pressure.

For railway applications, 42381-42587DC Bearing is trusted in bogies and drivetrains, where its combined load capacity and temperature tolerance are key. The ABEC-1 rating ensures consistent precision.

Automotive vs Aerospace: Applications of 42381-42587DC Bearing
In automotive drivetrains, 42381-42587DC Bearing handles high torque and axial loads, making it ideal for trucks and buses. Its inch measurements align with many industrial standards.

For aerospace ground equipment, 42381-42587DC Bearing supports heavy-load trolleys and maintenance platforms. The open design simplifies inspections and lubrication, crucial for safety-critical applications.

Q&A

SEND INQUIRY