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Super Precision Angular Contact Ball Bearings S7011 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings S7011 ACEGA/HCP4A

The S7011 ACEGA/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 3578 lbf.

The sealed design keeps grease in and contaminants out, while the phenolic cage offers lightweight durability. It spins at speeds up to 34,000 RPM, making it suitable for high-performance applications.

With an extra light preload (Class A), this bearing excels in precision setups like machine tool spindles or high-speed motors. Its P4A tolerance class guarantees consistent accuracy.

Weighing 0.37kg, it’s part of a universal matching set for back-to-back, face-to-face, or tandem arrangements. Ideal for demanding environments where reliability and speed matter.

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Product Parameters

  • Part Number S7011 ACEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3578 lbf
  • Static Radial Load 2610 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.37 kg
Super Precision Angular Contact Ball Bearings S7011 ACEGA/HCP4A dimension drawing
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Features

How Does S7011 ACEGA/HCP4A Bearing Achieve Super Precision?

S7011 ACEGA/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
The ceramic balls and chrome steel rings ensure minimal friction and enhanced durability.

With a dynamic radial load capacity of 3578 lbf, it handles demanding conditions effortlessly.
Its P4A tolerance class guarantees exceptional accuracy for critical operations.

The phenolic cage maintains ball alignment, reducing wear and noise.
Lubricated with grease, S7011 ACEGA/HCP4A Bearing operates smoothly up to 34,000 rpm.

Designed for versatility, it supports universal matching in various configurations.
Its sealed design protects against contaminants, ensuring reliable performance.

Application

Common Applications of S7011 ACEGA/HCP4A Bearing
S7011 ACEGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding conditions.

In robotics, S7011 ACEGA/HCP4A Bearing provides smooth motion control for articulated arms and precision joints. Its extra-light preload minimises vibration, making it ideal for delicate automated tasks.

For medical imaging devices like MRI scanners, S7011 ACEGA/HCP4A Bearing’s P4A tolerance class delivers the required accuracy. The grease lubrication ensures quiet operation, crucial for sensitive diagnostic environments.

What Makes S7011 ACEGA/HCP4A Bearing a Preferred Choice?
S7011 ACEGA/HCP4A Bearing excels in aerospace applications, such as helicopter rotor systems, due to its high-speed capabilities. The 25° contact angle efficiently handles combined radial and axial loads during flight.

In semiconductor manufacturing, S7011 ACEGA/HCP4A Bearing supports wafer handling robots with reliable positioning. Its chrome steel rings and ceramic balls resist wear even in cleanroom conditions.

Built for Heavy-Duty Use: S7011 ACEGA/HCP4A Bearing
S7011 ACEGA/HCP4A Bearing performs well in industrial pumps, where its sealed construction prevents lubricant leakage. The metric dimensions simplify replacement in European-designed machinery.

For high-performance electric motors, S7011 ACEGA/HCP4A Bearing’s temperature range accommodates variable operating conditions. The tandem arrangement option allows customised load distribution in compact spaces.

Q&A

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