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545139 Single Cups (Imperial)

545139 Single Cups (Imperial)

The 545139 is a single cup bearing with an outer diameter of 13.9375 inches and a width of 0.875 inches, crafted from sturdy chrome steel. It fits well with tapered roller bearings and operates smoothly in temperatures from -30°C to 110°C.

Its standard cup design ensures easy installation and compatibility with Timken bearings, making it a practical choice for replacements. The ABEC-1 rating offers reliable precision for general industrial use.

This cup is part of the 545000 series, designed to handle moderate loads with durability. Ideal for machinery requiring tapered roller bearings, such as automotive or construction equipment.

Compliant with RoHS and REACH standards, it’s a safe and dependable option for various applications. The precise tolerances ensure a secure fit and long service life.

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Product Parameters

  • Part Number 545139
  • Brand TFL
  • Interchangeable Timken
  • Size 13.31" x 13.9375" x 0.875"
  • Outer Dia 13.9375"
  • Outer Dia Tolerance +0.002" to 0
  • Cup Width 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Cup Backface ToClear Radius 0.13"
  • Cup Frontface Backing Diameter 13.62"
  • Cup Backface Backing Diameter 13.31"
  • System of Measurement Inch
  • Roller Bearing Type Tapered
  • Type Cups
  • Bearing Part Number 545112-545139
  • Cups Type Standard
  • Series 545000
  • Ring Material Chrome Steel
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • RoHS Compliant
  • REACH Compliant

Features

How Is 545139 Bearing Engineered for Reliability?

545139 Bearing features chrome steel construction, offering durability and resistance to wear in demanding applications.
Its tapered roller design ensures efficient load distribution, enhancing performance under stress.

The cup width tolerance of +0.002″ to -0.01″ allows for precise fitting, reducing installation errors.
With a temperature range of -30° to 110°C, it performs reliably in varied environments.

545139 Bearing is interchangeable with Timken, providing flexibility for maintenance and replacements.
Its ABEC-1 rating ensures consistent quality for industrial and mechanical uses.

Application

Industrial Uses of 545139 Bearing
545139 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered design handles radial and axial loads efficiently. The chrome steel construction ensures durability in tough working conditions.

Where Is 545139 Bearing Used?
You’ll often find 545139 Bearing in agricultural machinery, supporting components like gearboxes and wheel hubs. Its inch sizing makes it a good fit for older or imperial-based systems.

Built for Heavy-Duty Use: 545139 Bearing
545139 Bearing excels in industrial fans and conveyor systems, where its standard cup design simplifies installation. The ABEC-1 rating balances precision and cost-effectiveness for general applications.

Automotive vs Aerospace: Applications of 545139 Bearing
In automotive settings, 545139 Bearing supports axle systems, while in aerospace, it’s used in auxiliary equipment. The temperature range suits both environments without compromising performance.

Perfect Fit for Automation: 545139 Bearing
545139 Bearing works well in automated assembly lines, particularly in roller conveyors. Its tapered rollers provide smooth motion, reducing friction and wear over time.

Q&A

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