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Super Precision Angular Contact Ball Bearings 7011 CD/P4AQBCA

Super Precision Angular Contact Ball Bearings 7011 CD/P4AQBCA

The 7011 CD/P4AQBCA 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 operates smoothly at speeds up to 34000 RPM.

With a 15° contact angle and extra light preload, it offers precise performance for demanding applications. The open design and phenolic cage ensure reliable operation in temperatures from -30°C to 110°C.

This bearing comes in a matched set of four, making it ideal for high-precision machinery like spindles or CNC equipment. Its P4A tolerance class guarantees exceptional accuracy.

Weighing 1.51kg, it’s a robust choice for industrial settings where precision and durability are key. Compliant with standard lubrication requirements for easy maintenance.

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Product Parameters

  • Part Number 7011 CD/P4AQBCA
  • 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 Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • 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 Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.51 kg
Super Precision Angular Contact Ball Bearings 7011 CD/P4AQBCA dimension drawing
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Features

Performance Features of 7011 CD/P4AQBCA Bearing

7011 CD/P4AQBCA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The bearing set includes four matched units, providing consistent performance in high-speed operations.
With a maximum speed of 34,000 rpm, it balances efficiency and reliability.

7011 CD/P4AQBCA Bearing operates in temperatures from -30°C to 110°C, suitable for varied environments.
Its dynamic radial load capacity of 23,400 lbf makes it ideal for demanding tasks.

The extra light preload (Class A) ensures smooth operation, reducing wear over time.
Its open design simplifies maintenance, while the P4A tolerance class guarantees precision.

Application

Industrial Uses of 7011 CD/P4AQBCA Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of four bearings provides stability in demanding industrial environments.

In automotive applications, 7011 CD/P4AQBCA Bearing supports gearbox systems, offering reliable performance under radial and axial loads. Its phenolic cage reduces friction, making it suitable for high-speed operations.

For medical imaging devices, 7011 CD/P4AQBCA Bearing’s P4A tolerance class guarantees smooth and precise movement. The chrome steel construction ensures durability in critical healthcare equipment.

Automation and robotics benefit from 7011 CD/P4AQBCA Bearing’s low preload and high-speed capabilities. It’s often found in robotic arms and CNC machines, where precision is key.

In consumer electronics, this bearing is used in high-end printers and scanners. Its lubricated design ensures quiet operation, ideal for office environments.

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