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Super Precision Angular Contact Ball Bearings S71912 CDGA/P4A

Super Precision Angular Contact Ball Bearings S71912 CDGA/P4A

The S71912 CDGA/P4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. Its compact 13mm width makes it suitable for tight spaces while maintaining high performance.

With a 15° contact angle and extra light preload, it handles radial loads up to 4478 lbf and spins smoothly at speeds up to 32,500 RPM. The sealed design keeps grease in and contaminants out for reliable operation.

Featuring a phenolic cage and 24 chrome steel balls, this bearing offers quiet, long-lasting performance in temperatures from -30°C to 110°C. It’s interchangeable with SKF bearings, simplifying replacements.

Ideal for high-speed applications like machine tool spindles or precision instruments. Weighing just 0.2kg, it’s lightweight yet robust for its size. The P4A tolerance class ensures exceptional accuracy.

This bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use. Its universal matching capability adds flexibility for complex setups.

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Product Parameters

  • Part Number S71912 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 Sealed
  • 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 4478 lbf
  • Static Radial Load 3442 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 32500 rpm
  • Weight 0.2 kg
  • Price（$） 11.7
Super Precision Angular Contact Ball Bearings S71912 CDGA/P4A dimension drawing
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Features

Why Choose S71912 CDGA/P4A Bearing for Precision Tasks?

S71912 CDGA/P4A Bearing is crafted with a 15° contact angle, ideal for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 4478 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed rotations.
With a maximum speed of 32,500 rpm, it delivers reliable performance in demanding conditions.

S71912 CDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance needs, making it a practical choice.

Application

Super Precision Angular Contact Ball Bearings S71912 CDGA/P4A is commonly used in high-speed machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The sealed design keeps contaminants out, extending service life in demanding workshop conditions.

In robotics, S71912 CDGA/P4A provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction during rapid directional changes. Its P4A tolerance class makes it ideal for precision automation tasks.

For medical imaging devices like CT scanners, S71912 CDGA/P4A’s chrome steel construction maintains stability during continuous rotation. The extra light preload helps minimise vibration in sensitive diagnostic equipment.

In aerospace applications, this bearing’s grease lubrication and high-speed capability (32,500 rpm) suit auxiliary power units. The metric dimensions allow easy integration with European aircraft components.

Consumer electronics manufacturers choose S71912 CDGA/P4A for high-end turntables and optical disc drives, where its quiet operation enhances performance. The matched universal pairing option simplifies installation in compact designs.

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