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Super Precision Angular Contact Ball Bearings 71906 CD/P4AQBCB
Super Precision Angular Contact Ball Bearings 71906 CD/P4AQBCB

Super Precision Angular Contact Ball Bearings 71906 CD/P4AQBCB

The 71906 CD/P4AQBCB is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 4185 lbf and operates smoothly at speeds up to 100,500 RPM.

Its 15° contact angle and matched set of four bearings provide excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing is ideal for machine tools or spindle drives where accuracy and speed are crucial. It works in temperatures from -30°C to 110°C and comes pre-lubricated for easy installation.

Weighing just 0.19kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s a reliable choice for demanding industrial uses.

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Product Parameters

  • Part Number 71906 CD/P4AQBCB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 20
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4185 lbf
  • Static Radial Load 4118 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.19 kg

Features

Performance Features of 71906 CD/P4AQBCB Bearing

71906 CD/P4AQBCB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 4185 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 100,500 rpm.
This lightweight design, at just 0.19 kg, maintains precision without compromising strength.

With a matched arrangement of four bearings, 71906 CD/P4AQBCB Bearing offers consistent performance.
Its P4A tolerance class guarantees high precision, ideal for demanding industrial applications.

The open seal type allows for easy lubrication, extending the bearing’s service life.
Operating temperatures range from -30°C to 110°C, ensuring reliability in varied environments.

Application

Common Applications of 71906 CD/P4AQBCB Bearing
71906 CD/P4AQBCB Bearing is widely used in high-speed machine tools, where its precision and light preload ensure smooth spindle operation. The matched set of four bearings provides excellent stability for demanding machining tasks.

In robotics, 71906 CD/P4AQBCB Bearing supports articulated arms, offering reliable angular contact performance. Its phenolic cage reduces friction, making it ideal for repetitive movements in automated systems.

For aerospace applications, 71906 CD/P4AQBCB Bearing handles radial and axial loads in navigation systems. The P4A tolerance class ensures consistent accuracy even under extreme conditions.

Where Is 71906 CD/P4AQBCB Bearing Used?
You’ll often find 71906 CD/P4AQBCB Bearing in dental drills, where its high-speed capability and low vibration are crucial. The chrome steel construction also resists wear in sterile environments.

Built for Heavy-Duty Use: 71906 CD/P4AQBCB Bearing
71906 CD/P4AQBCB Bearing excels in industrial pumps, managing both radial and thrust loads efficiently. Its open design allows for easy lubrication, extending service life in harsh conditions.

Automotive vs Aerospace: Applications of 71906 CD/P4AQBCB Bearing
In automotive systems, 71906 CD/P4AQBCB Bearing supports turbochargers, benefiting from its high-speed tolerance. For aerospace, it ensures precision in flight control mechanisms, thanks to its P4A class accuracy.

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