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Super Precision Angular Contact Ball Bearings S7214 ACD/HCP4A

Super Precision Angular Contact Ball Bearings S7214 ACD/HCP4A

The S7214 ACD/HCP4A is a super precision angular contact ball bearing with a 70mm bore and 125mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 14918 lbf and operates smoothly at speeds up to 12000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle and P4 tolerance class make it ideal for high-precision applications.

This bearing is available in matched sets for balanced load distribution, and it’s interchangeable with SKF models. Perfect for machine tools or high-speed spindles where accuracy and reliability are key.

Weighing 0.97kg, it’s robust yet manageable for its size. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial environments.

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Product Parameters

  • Part Number S7214 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 16
  • Contact Angle 25°
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 14918 lbf
  • Static Radial Load 12375 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 12000 rpm
  • Weight 0.97 kg
  • Price（$） 796.131
Super Precision Angular Contact Ball Bearings S7214 ACD/HCP4A dimension drawing
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Features

Performance Features of S7214 ACD/HCP4A Bearing

S7214 ACD/HCP4A Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its ceramic balls and chrome steel rings ensure smooth operation at high speeds up to 12,000 rpm.

The phenolic cage in S7214 ACD/HCP4A Bearing reduces friction and wear, enhancing longevity.
With a dynamic radial load capacity of 14,918 lbf, it performs reliably in demanding applications.

S7214 ACD/HCP4A Bearing is preloaded and sealed, requiring minimal maintenance.
Its precision P4 tolerance class ensures consistent performance in high-accuracy machinery.

Application

Common Applications of S7214 ACD/HCP4A Bearing
S7214 ACD/HCP4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for high-speed operations.

In robotics, S7214 ACD/HCP4A Bearing provides smooth motion control for articulated arms and joints. Its phenolic cage offers lightweight durability, perfect for repetitive movements.

For aerospace applications, S7214 ACD/HCP4A Bearing handles both radial and axial loads in flight control systems. The sealed design protects against contaminants, ensuring reliability in harsh conditions.

Automotive enthusiasts appreciate S7214 ACD/HCP4A Bearing in performance gearboxes, where its P4 tolerance class enhances shifting precision. The lubricated construction also extends service life under heavy loads.

Medical imaging devices benefit from S7214 ACD/HCP4A Bearing’s quiet operation and minimal vibration. Its chrome steel rings provide long-term stability for sensitive diagnostic equipment.

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