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Super Precision Angular Contact Ball Bearings 71906 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71906 CDGA/HCP4A

The 71906 CDGA/HCP4A is a super precision angular contact ball bearing, measuring 30mm by 47mm by 9mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

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

The open design allows easy lubrication, while the P4A tolerance class guarantees high precision. It works in temperatures from -30°C to 110°C.

Ideal for high-speed applications like machine tool spindles or precision instruments. Weighing just 0.045kg, it’s lightweight yet robust for its size. Can be paired in back-to-back, face-to-face, or tandem arrangements.

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Product Parameters

  • Part Number 71906 CDGA/HCP4A
  • 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 Ceramic
  • 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 0.045 kg
Super Precision Angular Contact Ball Bearings 71906 CDGA/HCP4A dimension drawing
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Features

Performance Features of 71906 CDGA/HCP4A Bearing

71906 CDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
Its 15° contact angle ensures efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 100,500 rpm, it excels in high-speed applications.

71906 CDGA/HCP4A Bearing operates smoothly within a temperature range of -30°C to 110°C.
Its extra light preload and P4A tolerance class guarantee consistent accuracy.

The open design allows for easy lubrication, ensuring long service life.
This bearing is ideal for precision machinery requiring reliable angular contact performance.

Application

Key Fields for 71906 CDGA/HCP4A Bearing
71906 CDGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 15° contact angle ensures precise handling of combined radial and axial loads.

In robotics, 71906 CDGA/HCP4A Bearing supports articulated arms, providing smooth motion control thanks to its P4A tolerance class. The extra-light preload makes it ideal for applications requiring minimal resistance.

For medical imaging devices, 71906 CDGA/HCP4A Bearing’s chrome steel rings offer durability, while the ceramic balls ensure quiet operation. Its compact 30 mm bore fits neatly into space-constrained designs.

Automotive testing equipment benefits from 71906 CDGA/HCP4A Bearing’s ability to handle rapid speed changes up to 100,500 rpm. The open design simplifies lubrication for extended service intervals.

Q&A

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