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28919 Single Cups (Imperial)

28919 Single Cups (Imperial)

The 28919 is a single cup tapered roller bearing with an outer diameter of 3.9362 inches and a width of 0.75 inches, crafted from durable chrome steel. It fits well with Timken models, making it a versatile replacement option.

Designed for standard use, it operates smoothly in temperatures ranging from -30°C to 110°C. Its ABEC-1 rating ensures reliable performance for general applications.

The cup features precise tolerances and a sturdy construction, ideal for handling moderate loads. It’s commonly used in automotive and industrial machinery where tapered roller bearings are needed.

Compliant with RoHS and REACH standards, this bearing is both safe and environmentally friendly. Its interchangeable design simplifies maintenance and upgrades.

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Product Parameters

  • Part Number 28919
  • Brand TFL
  • Interchangeable Timken
  • Size 3.54" x 3.9362" x 0.75"
  • Outer Dia 3.9362"
  • Outer Dia Tolerance +0.001" to 0
  • Cup Width 0.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Cup Backface ToClear Radius 0.06"
  • Cup Frontface Backing Diameter 3.82"
  • Cup Backface Backing Diameter 3.54"
  • System of Measurement Inch
  • Roller Bearing Type Tapered
  • Type Cups
  • Bearing Part Number 28980-28919 , 28985-28919 , 28990-28919 , 28995-28919
  • Cups Type Standard
  • Series 28900
  • Ring Material Chrome Steel
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • RoHS Compliant
  • REACH Compliant

Features

Why Choose 28919 Single Cups for Precision Tasks?

28919 Single Cups are made 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 and performance.
The standard cup design works seamlessly with various bearing part numbers, providing versatility in assembly.
With a temperature range of -30° to 110°C, they perform reliably in diverse operating conditions.

Application

Industrial Uses of 28919 Bearing
28919 Bearing is commonly used in heavy machinery like 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 28919 Bearing Used?
You’ll often find 28919 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for older or non-metric vehicle models.

Built for Heavy-Duty Use: 28919 Bearing
This bearing excels in industrial settings like conveyor systems and mining equipment. The standard cup design simplifies installation and maintenance, even in dusty environments.

Automotive vs Aerospace: Applications of 28919 Bearing
While 28919 Bearing is popular in truck axles and off-road vehicles, it’s less common in aerospace due to its ABEC-1 rating. The tapered rollers provide reliable performance under varying load conditions.

Perfect Fit for Automation: 28919 Bearing
In automated production lines, 28919 Bearing supports rotating components with consistent precision. The temperature range allows it to work reliably in both heated and cooled environments.

Q&A

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