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Super Precision Angular Contact Ball Bearings 71912 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71912 CDGA/HCP4A

The 71912 CDGA/HCP4A is a super precision angular contact ball bearing measuring 60mm by 85mm by 13mm, crafted from chrome steel with ceramic balls for enhanced performance. It handles radial loads up to 4478 lbf and reaches speeds of 31,000 RPM, making it suitable for high-speed applications.

Its 15° contact angle and extra light preload ensure smooth operation with minimal friction. The phenolic cage adds durability while keeping the bearing lightweight at just 0.16kg.

This bearing is ideal for precision machinery like spindles or CNC equipment, where accuracy and speed are crucial. It operates efficiently in temperatures from -30°C to 110°C and comes lubricated for immediate use.

Compatible with SKF bearings, it can be arranged back-to-back, face-to-face, or tandem for versatile setups. Its P4A tolerance class guarantees high precision for demanding industrial tasks.

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Product Parameters

  • Part Number 71912 CDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 4478 lbf
  • Static Radial Load 3442 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.16 kg
  • Price（$） 12.618
Super Precision Angular Contact Ball Bearings 71912 CDGA/HCP4A dimension drawing
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Features

Why Choose 71912 CDGA/HCP4A Bearing for Precision Tasks?

71912 CDGA/HCP4A Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

With a dynamic radial load capacity of 4478 lbf, it handles demanding tasks efficiently.
The phenolic cage maintains ball alignment, reducing wear and enhancing longevity.

71912 CDGA/HCP4A Bearing operates at speeds up to 31,000 rpm, making it suitable for high-speed machinery.
Its open design allows for easy lubrication, ensuring consistent performance.

The bearing’s P4A tolerance class guarantees precision, even in critical applications.
Its universal matching capability offers flexibility in various configurations.

Application

Key Fields for 71912 CDGA/HCP4A Bearing
71912 CDGA/HCP4A Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 15° contact angle ensures stable performance under combined radial and axial loads.

In robotics, 71912 CDGA/HCP4A Bearing provides precise motion control for articulated arms and joints. Its P4A tolerance class guarantees the accuracy needed for repetitive tasks in automated systems.

For medical imaging devices like CT scanners, 71912 CDGA/HCP4A Bearing’s smooth operation minimises vibration. The chrome steel rings and ceramic balls offer long service life even in continuous-use environments.

Aerospace applications benefit from 71912 CDGA/HCP4A Bearing’s lightweight design and high-speed capability. Its extra light preload makes it suitable for sensitive instrumentation requiring minimal starting torque.

In precision grinding machines, 71912 CDGA/HCP4A Bearing maintains dimensional stability under heavy cutting forces. The open design allows for easy relubrication, extending maintenance intervals in industrial settings.

Q&A

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