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Super Precision Angular Contact Ball Bearings S7011 ACE/P4AQBCB

Super Precision Angular Contact Ball Bearings S7011 ACE/P4AQBCB

The S7011 ACE/P4AQBCB is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 9518 lbf and spins smoothly at speeds up to 34,000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet operation. The 25° contact angle provides excellent stability for angular loads.

This set includes four matched bearings (QBC arrangement) with light preload, ideal for high-precision applications. Suitable for use in machine tools or spindle drives where accuracy is key.

Weighing 1.62kg, it operates reliably in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number S7011 ACE/P4AQBCB
  • 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 72 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 9518 lbf
  • Static Radial Load 10462 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.62 kg
Super Precision Angular Contact Ball Bearings S7011 ACE/P4AQBCB dimension drawing
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Features

Performance Features of S7011 ACE/P4AQBCB Bearing

S7011 ACE/P4AQBCB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and smooth operation under high radial loads.

The sealed design protects against contaminants, making it suitable for demanding environments.
With a maximum speed of 34,000 rpm, it delivers reliable performance in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and extending service life.
Its light preload (Class B) ensures consistent performance without excessive wear.

S7011 ACE/P4AQBCB Bearing comes in a matched set of four, providing uniform load distribution.
The P4A tolerance class guarantees high precision, making it ideal for critical machinery.

Application

Industrial Uses of S7011 ACE/P4AQBCB Bearing
S7011 ACE/P4AQBCB Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The sealed construction keeps contaminants out, ensuring long-term performance in demanding environments.

In automotive applications, S7011 ACE/P4AQBCB Bearing is ideal for electric motor shafts and gearboxes, thanks to its light preload and matched arrangement. The phenolic cage reduces friction, making it suitable for high-speed operations.

For robotics, S7011 ACE/P4AQBCB Bearing provides smooth motion in articulated arms and joints, where precision is key. The P4A tolerance class ensures consistent accuracy, even under heavy loads.

In medical imaging devices, S7011 ACE/P4AQBCB Bearing’s chrome steel construction offers reliability and quiet operation. The grease lubrication minimises maintenance, making it a practical choice for sensitive equipment.

Consumer electronics like high-end printers benefit from S7011 ACE/P4AQBCB Bearing’s balanced performance. Its compact size and durability make it a reliable component in everyday devices.

Q&A

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