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TS (Single Row Tapered Roller Bearings) (Imperial) 42381-42587

TS (Single Row Tapered Roller Bearings) (Imperial) 42381-42587

The 42381-42587 is a single-row tapered roller bearing with a 3.8125″ bore and 5.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 43400 lbf radially and 9480 lbf thrust, making it a versatile choice.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive applications where combined loads are common.

Weighing 4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice.

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Product Parameters

  • Part Number 42381-42587
  • Brand TFL
  • Interchangeable Timken
  • Size 3.8125" x 5.875" x 1.25"
  • Bore Dia 3.8125"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1406"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9688"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.25"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.76"
  • Cone Backface Backing Diameter 4.33"
  • Cup Frontface Backing Diameter 5.64"
  • Cup Backface Backing Diameter 5.28"
  • Cage Cone Frontface Clearance 0.14"
  • Cage Cone Backface Clearance 0.1"
  • Effective Center Location 0.12"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 42381
  • Cup Part Number 42587
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 42000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 43400 lbf
  • Static Radial Load 54300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 11300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 9480 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 4 lb

Features

Performance Features of 42381-42587 Bearing

42381-42587 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 43400 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

Application

Industrial Uses of 42381-42587 Bearing
The 42381-42587 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.
In automotive applications, 42381-42587 Bearing fits well in wheel hubs and differential systems, providing reliable performance under both radial and thrust loads. The inch sizing makes it compatible with many American-made vehicles.

What Makes 42381-42587 Bearing a Preferred Choice?
With its open design and steel cage, 42381-42587 Bearing is easy to maintain and suitable for high-load scenarios like agricultural machinery. The standard radial clearance offers flexibility for various operational needs.
Its ABEC-1 rating ensures consistent performance in industrial gearboxes, where precision and reliability are key. The temperature range also allows use in diverse climates.

Built for Heavy-Duty Use: 42381-42587 Bearing
The 42381-42587 Bearing excels in applications like conveyor systems, where its dynamic radial load capacity of 43400 lbf ensures long service life. The tapered rollers distribute stress evenly for smoother operation.
For maintenance teams, the bearing’s compatibility with Timken models simplifies replacements. Its weight of 4 lb strikes a balance between strength and manageability.

Automotive vs Aerospace: Applications of 42381-42587 Bearing
In automotive settings, 42381-42587 Bearing supports drivetrain components, thanks to its robust thrust and radial load ratings. The inch measurements align with many US-manufactured parts.
While not typically used in aerospace, this bearing’s reliability makes it suitable for ground support equipment. Its temperature tolerance ensures performance in varying conditions.

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