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Super Precision Angular Contact Ball Bearings 7011 CB/HCP4A

Super Precision Angular Contact Ball Bearings 7011 CB/HCP4A

The 7011 CB/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 3150 lbf and reaches speeds of 40,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and phenolic cage ensure smooth operation and reduced friction. The open design allows for easy lubrication, while the P4 tolerance class guarantees exceptional accuracy.

This bearing is ideal for precision machinery like spindles or CNC tools, where high speeds and tight tolerances are crucial. It’s interchangeable with SKF bearings, offering a reliable replacement option.

Weighing just 0.4kg, it’s lightweight yet robust. It operates efficiently in temperatures from -30°C to 110°C, ensuring reliable performance in various conditions.

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Product Parameters

  • Part Number 7011 CB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.747 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3150 lbf
  • Static Radial Load 2475 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 40000 rpm
  • Weight 0.4 kg
  • Price（$） 331.326
Super Precision Angular Contact Ball Bearings 7011 CB/HCP4A dimension drawing
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Features

Why Choose 7011 CB/HCP4A Bearing for Precision Tasks?

7011 CB/HCP4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

The phenolic cage maintains ball alignment, enhancing durability and reducing wear.
With a maximum speed of 40,000 rpm, it delivers reliable performance in demanding conditions.

7011 CB/HCP4A Bearing’s P4 tolerance class guarantees exceptional accuracy for precision machinery.
Its dynamic radial load capacity of 3150 lbf ensures stability under heavy loads.

Application

Common Applications of 7011 CB/HCP4A Bearing
In machine tools, 7011 CB/HCP4A Bearing handles high-speed spindle rotations with its ceramic balls and phenolic cage, ensuring minimal friction and heat generation. The 15° contact angle provides excellent radial and axial load support.

Industrial Uses of 7011 CB/HCP4A Bearing
For automation systems, 7011 CB/HCP4A Bearing is ideal for robotic arms and CNC machinery, where precision and durability are key. Its P4 tolerance class guarantees consistent performance in demanding environments.

Where Is 7011 CB/HCP4A Bearing Used?
You’ll find 7011 CB/HCP4A Bearing in medical imaging devices, where its smooth operation and low noise are essential. The chrome steel rings and ceramic balls ensure long-term reliability in critical applications.

Optimized for Performance: 7011 CB/HCP4A Bearing
In aerospace components, 7011 CB/HCP4A Bearing supports high-speed operations with its balanced design and lubricated construction. The matched arrangement option allows for custom setups in specialised equipment.

Automotive vs Aerospace: Applications of 7011 CB/HCP4A Bearing
While 7011 CB/HCP4A Bearing excels in automotive transmissions due to its angular contact design, it’s equally suited for aerospace actuators. The ceramic balls reduce weight and improve efficiency in both fields.

Q&A

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