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9121 Single Cups (Imperial)
9121 Single Cups (Imperial)

9121 Single Cups (Imperial)

The 9121 is a single cup bearing with a 6-inch outer diameter and 1.25-inch width, made from sturdy chrome steel. It fits well with tapered rollers and handles temperatures from -30°C to 110°C.

Its standard design ensures compatibility with Timken models, making it a practical choice for replacements. The cup’s precise tolerances provide a secure fit for smooth operation.

The bearing is part of the 9100 series, known for reliable performance in various conditions. It’s RoHS and REACH compliant, ensuring safe use in industrial applications.

Ideal for machinery requiring tapered roller bearings, such as automotive or heavy equipment. Its durable construction offers long service life even under demanding loads.

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Product Parameters

  • Part Number 9121
  • Brand TFL
  • Interchangeable Timken
  • Size 5.12" x 6" x 1.25"
  • Outer Dia 6"
  • Outer Dia Tolerance +0.001" to 0
  • Cup Width 1.25"
  • Cup Width Tolerance +0.002" to -0.01
  • Cup Backface ToClear Radius 0.13"
  • Cup Frontface Backing Diameter 5.75"
  • Cup Backface Backing Diameter 5.12"
  • System of Measurement Inch
  • Roller Bearing Type Tapered
  • Type Cups
  • Bearing Part Number 9178-9121 , 9180-9121 , 9181-9121 , 9185-9121
  • Cups Type Standard
  • Series 9100
  • Ring Material Chrome Steel
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • RoHS Compliant
  • REACH Compliant

Features

Built for Reliability: 9121 Single Cups (Imperial)

9121 Single Cups (Imperial) are crafted from chrome steel, offering durability and resistance to wear.
The tapered roller design ensures smooth operation, even under heavy loads.

With an outer diameter of 6″ and a width of 1.25″, 9121 Single Cups fit seamlessly into various applications.
The precise tolerances enhance performance, making them interchangeable with Timken models.

Designed for temperatures from -30° to 110°C, 9121 Single Cups perform reliably in diverse conditions.
Their ABEC-1 rating ensures consistent quality for industrial and automotive uses.

Application

Industrial Uses of 9121 Bearing
The 9121 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its tapered design handles radial and axial loads efficiently. Its chrome steel construction ensures durability in demanding environments.

Where Is 9121 Bearing Used?
You’ll often find 9121 Bearing in automotive applications, particularly in wheel hubs and axle systems, where its precise tolerances and robust build provide reliable performance. The inch sizing makes it a popular choice for North American machinery.

Built for Heavy-Duty Use: 9121 Bearing
9121 Bearing excels in industrial settings like conveyor systems and gearboxes, thanks to its tapered roller design and high load capacity. The standard cup type simplifies installation and maintenance.

Automotive vs Industrial: Applications of 9121 Bearing
In automotive systems, 9121 Bearing supports wheel assemblies, while in industrial machinery, it’s ideal for gear reducers and pumps. Its compatibility with Timken models adds to its versatility.

Perfect Fit for Automation: 9121 Bearing
9121 Bearing works well in automated systems, such as robotic arms and assembly lines, where its consistent performance and easy integration are key. The ABEC-1 rating ensures sufficient precision for most applications.

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