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28621 Single Cups (Imperial)
28621 Single Cups (Imperial)

28621 Single Cups (Imperial)

The 28621 is a single cup bearing with an outer diameter of 3.8125 inches and a width of 0.7656 inches, crafted from durable 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 models, making it a practical choice for replacements. The cup’s precise dimensions and tolerances provide reliable performance in various settings.

This bearing is part of the 28600 series and meets ABEC-1 standards, offering a balance of quality and affordability. Ideal for industrial machinery or automotive applications where tapered roller bearings are needed.

Compliant with RoHS and REACH regulations, it’s a safe and dependable option for your bearing needs. Its robust construction ensures long service life even under demanding conditions.

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Product Parameters

  • Part Number 28621
  • Brand TFL
  • Interchangeable Timken
  • Size 3.46" x 3.8125" x 0.7656"
  • Outer Dia 3.8125"
  • Outer Dia Tolerance +0.001" to 0
  • Cup Width 0.7656"
  • Cup Width Tolerance +0.002" to -0.01
  • Cup Backface ToClear Radius 0.03"
  • Cup Frontface Backing Diameter 3.66"
  • Cup Backface Backing Diameter 3.46"
  • System of Measurement Inch
  • Roller Bearing Type Tapered
  • Type Cups
  • Bearing Part Number 28678-28621 , 28680-28621 , 28682-28621 , 28682P-28621
  • Cups Type Standard
  • Series 28600
  • Ring Material Chrome Steel
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • RoHS Compliant
  • REACH Compliant

Features

Why Choose 28621 Single Cups for Precision Tasks?

28621 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 and performance.

The standard cup design works seamlessly with various bearing part numbers, providing versatility across different setups.
With a temperature range of -30° to 110°C, they maintain reliability in diverse operating conditions.

The ABEC-1 rating guarantees consistent quality, making them suitable for general precision tasks.
Easy to pair with compatible cones, they simplify installation and maintenance.

Application

Industrial Uses of 28621 Bearing
28621 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 28621 Bearing Used?
You’ll often find 28621 Bearing in agricultural machinery, supporting components like tractor axles and harvesters. Its inch sizing makes it a reliable choice for equipment designed to imperial measurements.

Built for Heavy-Duty Use: 28621 Bearing
28621 Bearing excels in industrial gearboxes, providing smooth rotation under high loads. The standard cup design simplifies installation and maintenance, making it a favourite among engineers.

Automotive vs Aerospace: Applications of 28621 Bearing
In automotive systems, 28621 Bearing supports wheel hubs and drivetrains, while in aerospace, it’s used in landing gear assemblies. Its temperature range ensures performance in varied environments.

Essential Roles of 28621 Bearing
28621 Bearing is vital in railway applications, particularly in axle boxes where reliability is key. The ABEC-1 rating balances precision and cost-effectiveness for these demanding uses.

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