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Single Cups (Imperial)

Our Imperial single tapered roller bearing cups are the foundation of high-quality tapered roller bearings. These cups are designed to be paired with the corresponding inner ring and roller assembly, known as the “cone,” to form a complete, separable bearing unit. The Imperial sizing ensures compatibility with North American and British-made machinery. The unique design of these cups allows them to manage a variety of loads, especially in applications where precise control of both axial and radial forces is needed.

Total 1299 Results

Part Number

Size

Outer Dia

Cup Width

Cup Backface ToClear Radius

Cup Frontface Backing Diameter

Cup Backface Backing Diameter

Bearing Part Number

Series

A2126

1.02" x 1.2595" x 0.3125"

A2031-A2126 , A2037-A2126 , A2047-A2126 , A2031-A2126-B

A2000

A2127

1.02" x 1.2595" x 0.3755"

A2031-A2127 , A2037-A2127 , A2047-A2127

A2000

A4138

1.14" x 1.3775" x 0.3437"

A4044-A4138 , A4049-A4138 , A4050-A4138 , A4059-A4138 , A4050-A4138-B , A4059-A4138-B

A4000

L21511

1.14" x 1.3775" x 0.343"

1.18" x 1.4375" x 0.4375"

1.18" x 1.438" x 0.3125"

1.30" x 1.5" x 0.4375"

1.30" x 1.5" x 0.5337"

1.34" x 1.57" x 0.42"

1.34" x 1.57" x 0.42"

1.34" x 1.5741" x 0.375"

A6062-A6157A , A6067-A6157A , A6075-A6157A

A6000

A6157

1.34" x 1.5745" x 0.375"

A6062-A6157 , A6067-A6157 , A6075-A6157 , A6062-A6157-B , A6067-A6157-B , A6075-A6157-B

A6000

03157X

1.34" x 1.5748" x 0.4375"

03062-03157X , 03066X-03157X

3000

3162

1.34" x 1.625" x 0.4375"

03062-03162 , 03066X-03162

3000

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Understanding Imperial Single Cups in Tapered Roller Bearings

Imperial single cups are fundamental components in the construction of a complete tapered roller bearing. These outer rings are specifically designed with a tapered raceway that perfectly matches the tapered rollers and the cone (inner ring). This design allows the bearing to efficiently handle both radial and thrust loads, making them ideal for applications experiencing combined loading conditions. The precise angle of the raceway in the cup is crucial for distributing stress evenly across the rollers, thereby enhancing the bearing’s load-carrying capacity and prolonging its operational life.

When selecting imperial single cups, it’s vital to consider the specific application requirements, including load magnitude, operating speed, and environmental factors. Our extensive range ensures that you can find the correct taper bearing component with the right dimensions to integrate seamlessly into your existing systems. These components are often paired with a corresponding cone assembly to form a complete single row tapered roller bearing.

Key Features and Benefits of TFL Imperial Single Cups

TFL’s imperial single cups are manufactured using high-grade materials and advanced machining processes, guaranteeing exceptional quality and durability. A primary benefit of these components is their ability to separate from the cone assembly, which simplifies both installation and maintenance procedures. This modular design allows for easier inspection and replacement of individual parts, reducing downtime and operational costs. Our imperial single cups are engineered for precision, ensuring a tight fit and optimal alignment within the bearing system.

The robust construction of these small roller bearings components makes them suitable for demanding environments, offering excellent resistance to wear and fatigue. Whether you’re dealing with heavy loads or high-speed rotations, our single cups provide the foundational strength needed for reliable performance. Their design also contributes to efficient lubrication, further extending the bearing’s lifespan and reducing friction.

Applications and Industries Utilizing Imperial Single Cups

Imperial single cups are widely adopted across numerous industries due to their versatility and robust performance in tapered roller bearing configurations. They are commonly found in automotive applications, particularly in wheel bearings for trucks and cars, where they withstand significant radial and axial forces. Beyond automotive, these components are integral to heavy industrial machinery, including gearboxes, transmissions, and construction equipment. Their ability to manage combined loads efficiently makes them a preferred choice for such demanding scenarios.

Furthermore, imperial single cups are utilized in agricultural machinery, mining equipment, and various material handling systems. Engineers and technicians often search for “taper bearing size chart” or “roller bearing sizes” when sourcing these critical parts, highlighting the importance of precise dimensional accuracy. Our comprehensive selection caters to a broad spectrum of needs, ensuring that whether you require a single cup for a specific repair or for new equipment manufacturing, you can find the exact imperial dimensions required.

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FREQUENTLY ASKED QUESTIONS

What is an imperial single cup, and how does it differ from a metric single cup?

An imperial single cup is the outer ring component of a single row tapered roller bearing, with its dimensions (bore, outside diameter, and width) specified in inches. The primary difference from a metric single cup lies solely in the unit of measurement used for its dimensions; functionally, both serve the same purpose within their respective bearing systems. It’s crucial to match the cup to an imperial cone assembly for proper operation.

Can imperial single cups be used interchangeably with other tapered roller bearing components?

No, imperial single cups are specifically designed to be paired with imperial tapered roller bearing cones and rollers. Mixing imperial and metric components is not recommended as it will lead to improper fit, misalignment, premature wear, and potential bearing failure. Always ensure all components within a tapered roller bearing assembly adhere to the same measurement standard.

What are the typical applications for imperial single cups?

Imperial single cups are commonly used in a wide range of applications that historically adopted imperial measurement standards. These include many older heavy-duty industrial machines, agricultural equipment, construction machinery, and some older models of automotive and truck wheel bearings. They are vital where combined radial and axial loads need to be efficiently managed.

How do I ensure I select the correct imperial single cup for my application?

To select the correct imperial single cup, you should refer to the bearing's part number or consult a detailed "taper roller bearing dimensions chart." Key dimensions to verify include the bore diameter of the cup, its outside diameter, and its width. It is also important to match the cup with the correct cone assembly to ensure proper internal clearance and load distribution. If unsure, consulting TFL's technical specifications or contacting our support team is recommended.