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Super Precision Angular Contact Ball Bearings S7011 CD/P4AQBCB

Super Precision Angular Contact Ball Bearings S7011 CD/P4AQBCB

The S7011 CD/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 23400 lbf and spins smoothly at speeds up to 46000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 15° contact angle and light preload make it ideal for high-precision applications.

This bearing comes in a matched set of four (QBC arrangement), ensuring consistent performance. Suitable for machine tools or spindle systems where accuracy and reliability are key.

Weighing 1.53kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for exceptional precision.

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Product Parameters

  • Part Number S7011 CD/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 11.112 mm
  • Ball Qty 18
  • Contact Angle 15°
  • 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 23400 lbf
  • Static Radial Load 29025 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 1.53 kg
Super Precision Angular Contact Ball Bearings S7011 CD/P4AQBCB dimension drawing
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Features

Performance Features of S7011 CD/P4AQBCB Bearing

S7011 CD/P4AQBCB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 23400 lbf.

With a maximum speed of 46,000 rpm, it delivers smooth operation in high-speed scenarios.

Its sealed design and grease lubrication reduce maintenance needs, ensuring long-term reliability.

Application

Common Applications of S7011 CD/P4AQBCB Bearing
S7011 CD/P4AQBCB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding industrial environments.

In robotics, S7011 CD/P4AQBCB Bearing provides smooth motion control for articulated arms, thanks to its light preload and matched arrangement. The phenolic cage reduces friction, making it ideal for repetitive, high-speed movements.

For medical imaging devices, S7011 CD/P4AQBCB Bearing’s P4A tolerance class guarantees consistent performance in critical applications. Its grease lubrication ensures quiet operation, essential for sensitive diagnostic equipment.

Automotive enthusiasts appreciate S7011 CD/P4AQBCB Bearing in performance gearboxes, where its dynamic radial load capacity handles high RPMs. The chrome steel construction offers durability under intense driving conditions.

In 3D printers, S7011 CD/P4AQBCB Bearing’s precision alignment contributes to flawless layer deposition. The matched set configuration simplifies installation, reducing downtime during maintenance.

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