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Super Precision Angular Contact Ball Bearings S71912 CD/P4A

Super Precision Angular Contact Ball Bearings S71912 CD/P4A

The S71912 CD/P4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes pre-lubricated for smooth operation.

This bearing handles radial loads up to 4478 lbf and spins efficiently at speeds up to 15000 RPM. Its phenolic cage ensures quiet performance, while the sealed design keeps contaminants out.

The P4 tolerance class (ABEC-7) makes it ideal for high-precision applications. It works reliably in temperatures from -30°C to 110°C.

Weighing just 0.2kg, this bearing suits precision machinery like spindles or measuring equipment where accuracy matters. It’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71912 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • 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° to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.2 kg
  • Price（$） 61.731
Super Precision Angular Contact Ball Bearings S71912 CD/P4A dimension drawing
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Features

Why Choose S71912 CD/P4A Bearing for Precision Tasks?

S71912 CD/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and consistent performance under dynamic radial loads up to 4478 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed operation.
With a maximum speed of 15,000 rpm, it delivers reliable efficiency in demanding conditions.

S71912 CD/P4A Bearing operates smoothly within a temperature range of -30° to 110°C.
Its sealed design and lubrication enhance longevity, minimising maintenance requirements.

Application

Common Applications of S71912 CD/P4A Bearing
S71912 CD/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S71912 CD/P4A Bearing supports articulated arms, providing smooth movement and reliability. Its phenolic cage reduces friction, making it suitable for repetitive tasks.

For medical imaging devices, S71912 CD/P4A Bearing offers consistent performance due to its chrome steel construction. The P4 tolerance class ensures minimal vibration, crucial for clear imaging results.

Automotive applications like electric power steering benefit from S71912 CD/P4A Bearing’s high-speed capability. The 15° contact angle helps manage both radial and axial loads effectively.

In 3D printers, S71912 CD/P4A Bearing contributes to precise layer alignment. Its compact size and high-speed rating make it ideal for detailed printing tasks.

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