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Super Precision Angular Contact Ball Bearings S71912 CE/P4A

Super Precision Angular Contact Ball Bearings S71912 CE/P4A

The S71912 CE/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 comes sealed for protection, with matched arrangement and preload options available.

This bearing handles radial loads up to 3668 lbf and operates smoothly at speeds up to 22,000 RPM. Its phenolic resin cage ensures durability and reduces friction, making it efficient for high-speed applications.

Designed for angular contact loads, it’s ideal for precision machinery like spindles or CNC equipment. The P4 tolerance class (ABEC-7) ensures exceptional accuracy and performance.

Weighing just 0.19kg, it’s lightweight yet robust. It’s interchangeable with SKF bearings and works well in temperatures from -30°C to 110°C. A reliable choice for demanding industrial applications.

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Product Parameters

  • Part Number S71912 CE/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 23
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3668 lbf
  • Static Radial Load 2655 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.19 kg
  • Price（$） 61.641
Super Precision Angular Contact Ball Bearings S71912 CE/P4A dimension drawing
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Features

Engineered for Precision: S71912 CE/P4A Bearing

S71912 CE/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 3668 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 22,000 rpm.
With a P4 tolerance class, S71912 CE/P4A Bearing delivers consistent accuracy in demanding conditions.

Sealed design and preload availability make it suitable for applications requiring minimal maintenance and precise load handling.
The temperature range of -30° to 110°C ensures reliability in varied environments.

Application

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

In robotics, S71912 CE/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its 15° contact angle balances radial and axial loads effectively.

For dental drill systems, S71912 CE/P4A Bearing’s P4 tolerance class delivers the quiet operation needed for patient comfort. The lubricated design also extends service life in frequent-start-stop applications.

Where Is S71912 CE/P4A Bearing Used?
You’ll often spot S71912 CE/P4A Bearing in CNC lathes, where its 22,000 rpm capability handles rapid tool changes. The chrome steel construction resists wear from constant directional shifts.

In optical equipment like lens positioning stages, S71912 CE/P4A Bearing’s matched arrangement maintains alignment precision. The 60mm bore suits compact instrument designs perfectly.

Built for Heavy-Duty Use: S71912 CE/P4A Bearing
S71912 CE/P4A Bearing thrives in packaging machinery, enduring continuous operation on production lines. Its dynamic radial load capacity handles sudden jolts during high-speed wrapping.

The bearing’s phenolic cage makes it ideal for food processing mixers, where chemical resistance matters. Temperature stability up to 110°C prevents deformation during sterilisation cycles.

Automotive vs Aerospace: Applications of S71912 CE/P4A Bearing
In race car transmissions, S71912 CE/P4A Bearing manages rapid gear shifts with minimal heat buildup. The preload option fine-tunes performance for different track conditions.

For aircraft gyroscopes, this bearing’s ABEC-7 precision ensures reliable navigation data. The lightweight design (0.19kg) helps meet strict aviation weight budgets.

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