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Super Precision Angular Contact Ball Bearings 71912 CDGA/P4A

Super Precision Angular Contact Ball Bearings 71912 CDGA/P4A

The 71912 CDGA/P4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular contact loads, handling up to 4478 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at speeds up to 31,000 RPM, making it suitable for high-performance applications. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

With a tolerance class of P4A, this bearing offers exceptional precision and is interchangeable with SKF models. Its lightweight design at 0.19kg makes it easy to handle while maintaining robustness.

Ideal for use in machine tools or high-speed spindles, this bearing supports various mounting arrangements like back-to-back, face-to-face, or tandem. It comes pre-lubricated for immediate use and complies with universal matching standards.

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Product Parameters

  • Part Number 71912 CDGA/P4A
  • 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 Chrome Steel
  • 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 0.19 kg
  • Price（$） 122.148
Super Precision Angular Contact Ball Bearings 71912 CDGA/P4A dimension drawing
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Features

Performance Features of 71912 CDGA/P4A Bearing

71912 CDGA/P4A Bearing is designed for super precision applications with a 15° contact angle, ensuring smooth angular contact performance.
Its chrome steel rings and balls provide durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 4478 lbf, 71912 CDGA/P4A Bearing handles demanding conditions effectively.
The extra light preload enhances precision, making it suitable for high-speed operations up to 31,000 rpm.

71912 CDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

The open design and lubrication ensure long service life with minimal maintenance.
Precision tolerances (P4A class) guarantee consistent performance in critical applications.

Application

Key Fields for 71912 CDGA/P4A Bearing
71912 CDGA/P4A Bearing is widely 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, 71912 CDGA/P4A Bearing provides smooth motion control for articulated arms, thanks to its extra light preload and P4A tolerance class. Its universal matching capability allows flexible configurations in complex assemblies.

For medical imaging devices, 71912 CDGA/P4A Bearing offers reliable performance with minimal vibration, critical for clear diagnostic results. The chrome steel construction ensures durability in continuous use environments.

Automotive applications like electric power steering systems benefit from 71912 CDGA/P4A Bearing’s dynamic load capacity and temperature stability. Its metric sizing ensures compatibility with various European and Asian vehicle designs.

Q&A

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