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Super Precision Angular Contact Ball Bearings 71906 CDGA/P4A

Super Precision Angular Contact Ball Bearings 71906 CDGA/P4A

The 71906 CDGA/P4A is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from durable chrome steel. Its compact 9mm width makes it suitable for tight spaces while maintaining high performance.

With a 15° contact angle, it handles radial loads up to 1609 lbf and spins smoothly at speeds up to 100,500 RPM. The phenolic cage ensures quiet operation and long service life.

This bearing comes pre-lubricated and operates efficiently in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees exceptional precision for demanding applications.

Ideal for high-speed spindles or precision machinery, it can be arranged back-to-back, face-to-face, or tandem. Weighing just 0.048kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71906 CDGA/P4A
  • 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 9 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 No
  • Number Of Bearings In Matched Set 2
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1609 lbf
  • Static Radial Load 1024 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.048 kg
  • Price（$） 67.986
Super Precision Angular Contact Ball Bearings 71906 CDGA/P4A dimension drawing
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Features

Performance Features of 71906 CDGA/P4A Bearing

71906 CDGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 1609 lbf, it handles demanding conditions reliably.
Its extra light preload (Class A) enhances precision, making it suitable for high-speed operations up to 100,500 rpm.

The open design allows easy lubrication, maintaining smooth performance.
Its P4A tolerance class ensures consistent accuracy in precision tasks.

Application

Key Fields for 71906 CDGA/P4A Bearing
71906 CDGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 71906 CDGA/P4A Bearing provides smooth movement for articulated arms, thanks to its extra-light preload and consistent performance. Its compact size fits well in tight spaces without compromising load capacity.

For medical imaging devices, 71906 CDGA/P4A Bearing’s chrome steel construction offers reliability under continuous use. The P4A tolerance class ensures minimal vibration, crucial for maintaining image clarity.

Automotive applications like electric power steering systems benefit from 71906 CDGA/P4A Bearing’s ability to handle combined radial and axial loads. The open design allows for easy lubrication, extending service life.

In 3D printers, 71906 CDGA/P4A Bearing’s high-speed capability ensures precise layer deposition. The matched arrangement option further enhances alignment accuracy for complex prints.

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