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3731 Single Cups (Imperial)

3731 Single Cups (Imperial)

The 3731 single cup is an imperial-sized tapered roller bearing component, measuring 3.35″ in backface diameter and 3.9362″ in outer diameter. Made from sturdy chrome steel, it operates reliably in temperatures from -30°C to 110°C.

Its standard cup design fits seamlessly with Timken 3780-3731 cones, offering easy interchangeability. The ABEC-1 rating ensures consistent performance for general industrial use.

With a cup width of 0.9375″, it provides stable support for tapered roller assemblies. The precise tolerances help maintain proper alignment in demanding applications.

Ideal for machinery repairs or replacements where imperial-sized bearings are required. Compliant with RoHS and REACH standards, making it suitable for various industrial environments.

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Product Parameters

  • Part Number 3731
  • Brand TFL
  • Interchangeable Timken
  • Size 3.35" x 3.9362" x 0.9375"
  • Outer Dia 3.9362"
  • Outer Dia Tolerance +0.001" to 0
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Cup Backface ToClear Radius 0.13"
  • Cup Frontface Backing Diameter 3.62"
  • Cup Backface Backing Diameter 3.35"
  • System of Measurement Inch
  • Roller Bearing Type Tapered
  • Type Cups
  • Bearing Part Number 3780-3731
  • Cups Type Standard
  • Series 3700
  • Ring Material Chrome Steel
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of 3731 Single Cups

3731 Single Cups are crafted from chrome steel, offering durability and resistance to wear in tapered roller bearing applications.
Their precise outer diameter tolerance of +0.001″ to 0 ensures a snug fit, enhancing stability under load.

The standard cup design simplifies installation, making them compatible with Timken equivalents for easy replacement.
With a temperature range of -30° to 110°C, they perform reliably in varied operating conditions.

3731 Single Cups feature a robust construction, ideal for industrial and automotive uses.
The ABEC-1 rating balances precision and cost-effectiveness for general-purpose applications.

Application

Industrial Uses of 3731 Bearing
3731 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered design handles radial and thrust loads efficiently. The chrome steel construction ensures durability in tough working conditions.

Where Is 3731 Bearing Used?
You’ll often find 3731 Bearing in automotive applications like wheel hubs and differential systems, thanks to its reliable performance under varying loads. Its inch sizing makes it a go-to choice for older or imperial-based machinery.

Built for Heavy-Duty Use: 3731 Bearing
3731 Bearing excels in industrial settings like conveyor systems, where its robust design withstands continuous operation. The standard cup type simplifies replacements and maintenance.

Automotive vs Industrial: Applications of 3731 Bearing
In automotive contexts, 3731 Bearing supports smooth rotation in drivetrains, while in industrial settings, it’s trusted for its load-bearing capacity. The ABEC-1 rating ensures consistent performance without over-engineering.

Perfect Fit for Machinery: 3731 Bearing
3731 Bearing is a reliable choice for machinery requiring precise alignment, such as printing presses or packaging equipment. Its temperature range suits both indoor and outdoor applications.

Q&A

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